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th{cursor:default;}\n .ts-props a{color:var(--aobo-blue) !important;text-decoration:none !important;}\n .ts-props a:hover{text-decoration:underline !important;}\n table.ts-table.ts-mart{min-width:1080px;}\n table.ts-table.ts-mart td{white-space:nowrap;text-align:center;}\n table.ts-table.ts-mart td.ts-desc{white-space:normal;text-align:left;min-width:110px;}\n table.ts-table.ts-mart td.ts-grade{white-space:nowrap;}\n .ts-rel{margin-top:1.2em;background:#fff;border:1px solid var(--aobo-border);\n border-left:3px solid var(--aobo-blue);border-radius:0 var(--aobo-radius) var(--aobo-radius) 0;padding:1em 1.2em;}\n .ts-rel h3{margin:0 0 .5em;font-size:.95em;color:var(--aobo-text);}\n .ts-rel p{margin:0;font-size:.85em;line-height:1.9;color:var(--aobo-muted);}\n .ts-rel p a{font-weight:600;}\n<\/style>\n<\/head>\n<body>\n<section class=\"aobo-ht-ref ts-props\">\n <div class=\"aobo-wrap\">\n <div class=\"ts-hero\">\n <div class=\"ts-hero-top\">\n <div class=\"ts-kicker\"><span><\/span>Stainless Steel Reference Data<\/div>\n <h1>Martensitic Stainless Steel Properties Chart<\/h1>\n <p>Minimum mechanical properties of the standard martensitic stainless steels — 403 through 440C, including the free-machining and specialty types. Rows are grouped by type; each row gives a product form and condition with its tensile strength, yield strength, elongation, hardness and governing ASTM specification.<\/p>\n <\/div>\n <div class=\"ts-tool-area\">\n <div class=\"ts-legend\">\n <span><b>MPa \/ ksi<\/b> same value, two units<\/span>\n <span><b>(a)–(d)<\/b> footnotes<\/span>\n <span><b>(c)<\/b> typical values<\/span>\n <span><b>—<\/b> not specified<\/span>\n <\/div>\n <div class=\"ts-table-wrap\">\n <table class=\"ts-table ts-mart\">\n <thead>\n <tr><th>Form<\/th><th>Condition<\/th><th>Tensile<br>MPa<\/th><th>ksi<\/th><th>0.2% yield<br>MPa<\/th><th>ksi<\/th><th>Elongation<br>%<\/th><th>Reduction<br>%<\/th><th>Hardness<\/th><th>ASTM spec<\/th><\/tr>\n <\/thead>\n <tbody>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 403 (UNS S40300)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B, F<\/td><td class=\"ts-num ts-desc\">Annealed, hot finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">20<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, A 473, A 479<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">16<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Intermediate temper, hot finished<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">550<\/td><td class=\"ts-num\">80<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Intermediate temper, cold finished<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">550<\/td><td class=\"ts-num\">80<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Hard temper, hot or cold finished<\/td><td class=\"ts-num\">825<\/td><td class=\"ts-num\">120<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">20<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">16<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Intermediate temper, cold finished<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">550<\/td><td class=\"ts-num\">80<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Hard temper, cold finished<\/td><td class=\"ts-num\">825<\/td><td class=\"ts-num\">120<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">P, Sh, St<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">205<\/td><td class=\"ts-num\">30<\/td><td class=\"ts-num\">25 <span class=\"ts-sup\">(b)<\/span><\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">88 HRB max<\/td><td class=\"ts-num ts-desc\">A 176<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 410 (UNS S41000)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B, F<\/td><td class=\"ts-num ts-desc\">Annealed, hot finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">20<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, A 473, A 479<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">16<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Intermediate temper, hot finished<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">550<\/td><td class=\"ts-num\">80<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Intermediate temper, cold finished<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">550<\/td><td class=\"ts-num\">80<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Hard temper, hot or cold finished<\/td><td class=\"ts-num\">825<\/td><td class=\"ts-num\">120<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">20<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">16<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Intermediate temper, cold finished<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">550<\/td><td class=\"ts-num\">80<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Hard temper, cold finished<\/td><td class=\"ts-num\">825<\/td><td class=\"ts-num\">120<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">P, Sh, St<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">450<\/td><td class=\"ts-num\">65<\/td><td class=\"ts-num\">205<\/td><td class=\"ts-num\">30<\/td><td class=\"ts-num\">22 <span class=\"ts-sup\">(b)<\/span><\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">95 HRB max<\/td><td class=\"ts-num ts-desc\">A 176<\/td><\/tr>\n<tr><td class=\"ts-grade\">P, Sh, St<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">450<\/td><td class=\"ts-num\">65<\/td><td class=\"ts-num\">205<\/td><td class=\"ts-num\">30<\/td><td class=\"ts-num\">20<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">95 HRB max<\/td><td class=\"ts-num ts-desc\">A 240<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 410S (UNS S41008)<\/td><\/tr>\n<tr><td class=\"ts-grade\">F<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">450<\/td><td class=\"ts-num\">65<\/td><td class=\"ts-num\">240<\/td><td class=\"ts-num\">35<\/td><td class=\"ts-num\">22<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 473<\/td><\/tr>\n<tr><td class=\"ts-grade\">P, Sh, St<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">415<\/td><td class=\"ts-num\">60<\/td><td class=\"ts-num\">205<\/td><td class=\"ts-num\">30<\/td><td class=\"ts-num\">22 <span class=\"ts-sup\">(b)<\/span><\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">88 HRB max<\/td><td class=\"ts-num ts-desc\">A 176, A 240<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 410Cb (UNS S41040)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Annealed, hot finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">13<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, A 479<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">35<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, A 479<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Intermediate temper, hot finished<\/td><td class=\"ts-num\">860<\/td><td class=\"ts-num\">125<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">13<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, 479<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Intermediate temper, cold finished<\/td><td class=\"ts-num\">860<\/td><td class=\"ts-num\">125<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">35<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, A 479<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">E-4 (UNS S41050)<\/td><\/tr>\n<tr><td class=\"ts-grade\">P, Sh, St<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">415<\/td><td class=\"ts-num\">60<\/td><td class=\"ts-num\">205<\/td><td class=\"ts-num\">30<\/td><td class=\"ts-num\">22<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">88 HRB max<\/td><td class=\"ts-num ts-desc\">A 276, A 240<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 414 (UNS S41400)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Intermediate temper, cold or hot finished<\/td><td class=\"ts-num\">795<\/td><td class=\"ts-num\">115<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, A 479<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">1030 max<\/td><td class=\"ts-num\">150 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">CA6NM (UNS S41500)<\/td><\/tr>\n<tr><td class=\"ts-grade\">P, Sh, St<\/td><td class=\"ts-num ts-desc\">Tempered<\/td><td class=\"ts-num\">795<\/td><td class=\"ts-num\">115<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">32 HRC max<\/td><td class=\"ts-num ts-desc\">A 176, A 240<\/td><\/tr>\n<tr><td class=\"ts-grade\">B, F<\/td><td class=\"ts-num ts-desc\">Tempered<\/td><td class=\"ts-num\">795<\/td><td class=\"ts-num\">115<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, A 473, A 479<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Types 416 (UNS S41600) and 416Se (UNS S41623)<\/td><\/tr>\n<tr><td class=\"ts-grade\">F<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">20<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 473<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">585-860<\/td><td class=\"ts-num\">85-125<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 581<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Intermediate temper<\/td><td class=\"ts-num\">795-1000<\/td><td class=\"ts-num\">115-145<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 581<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Hard temper<\/td><td class=\"ts-num\">965-1210<\/td><td class=\"ts-num\">140-175<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 581<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 416 plus X (UNS S41610)<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">585-860<\/td><td class=\"ts-num\">85-125<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 581<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Intermediate temper<\/td><td class=\"ts-num\">795-1000<\/td><td class=\"ts-num\">115-145<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 581<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Hard temper<\/td><td class=\"ts-num\">965-1210<\/td><td class=\"ts-num\">140-175<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 581<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 418 (UNS S41800)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B, F<\/td><td class=\"ts-num ts-desc\">Tempered at 620 \u00b0C (1150 \u00b0F)<\/td><td class=\"ts-num\">965<\/td><td class=\"ts-num\">140<\/td><td class=\"ts-num\">760<\/td><td class=\"ts-num\">110<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 565<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 420 (UNS S42000)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Tempered at 204 \u00b0C (400 \u00b0F)<\/td><td class=\"ts-num\">1720<\/td><td class=\"ts-num\">250<\/td><td class=\"ts-num\">1480 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">215 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">8 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">25 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">52 HRC <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">\u2014<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">860 max<\/td><td class=\"ts-num\">125 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">P, Sh, St<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">96 HRB max<\/td><td class=\"ts-num ts-desc\">A 176<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">TrimRite (UNS S42010)<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">690 max<\/td><td class=\"ts-num\">100 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 493<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Lightly drafted<\/td><td class=\"ts-num\">725 max<\/td><td class=\"ts-num\">105 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 493<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 422 (UNS S42200)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B, F<\/td><td class=\"ts-num ts-desc\">Tempered at 675 \u00b0C (1250 \u00b0F)<\/td><td class=\"ts-num\">825<\/td><td class=\"ts-num\">120<\/td><td class=\"ts-num\">585<\/td><td class=\"ts-num\">85<\/td><td class=\"ts-num\">17 <span class=\"ts-sup\">(d)<\/span><\/td><td class=\"ts-num\">35<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 565<\/td><\/tr>\n<tr><td class=\"ts-grade\">B, F<\/td><td class=\"ts-num ts-desc\">Tempered at 620 \u00b0C (1150 \u00b0F)<\/td><td class=\"ts-num\">965<\/td><td class=\"ts-num\">140<\/td><td class=\"ts-num\">760<\/td><td class=\"ts-num\">110<\/td><td class=\"ts-num\">13<\/td><td class=\"ts-num\">30<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 565<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Lapelloy (UNS S42300)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B, F<\/td><td class=\"ts-num ts-desc\">Tempered at 620 \u00b0C (1150 \u00b0F)<\/td><td class=\"ts-num\">965<\/td><td class=\"ts-num\">140<\/td><td class=\"ts-num\">760<\/td><td class=\"ts-num\">110<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-num\">20<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 565<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 431 (UNS S43100)<\/td><\/tr>\n<tr><td class=\"ts-grade\">F<\/td><td class=\"ts-num ts-desc\">Intermediate temper<\/td><td class=\"ts-num\">795<\/td><td class=\"ts-num\">115<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 473<\/td><\/tr>\n<tr><td class=\"ts-grade\">F<\/td><td class=\"ts-num ts-desc\">Hard temper<\/td><td class=\"ts-num\">1210<\/td><td class=\"ts-num\">175<\/td><td class=\"ts-num\">930<\/td><td class=\"ts-num\">135<\/td><td class=\"ts-num\">13<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 473<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">965 max<\/td><td class=\"ts-num\">140 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">760<\/td><td class=\"ts-num\">110<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 493<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Lightly drafted<\/td><td class=\"ts-num\">795<\/td><td class=\"ts-num\">115<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 493<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 440A (UNS S44002)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">725 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">105 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">415 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">60 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">20 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">95 HRB <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">\u2014<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Tempered at 315 \u00b0C (600 \u00b0F)<\/td><td class=\"ts-num\">1790 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">260 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">1650 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">240 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">5 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">20 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">51 HRC <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">\u2014<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">965 max<\/td><td class=\"ts-num\">140 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 440B (UNS S44003)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">740 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">107 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">425 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">62 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">18 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">96 HRB <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">\u2014<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Tempered at 315 \u00b0C (600 \u00b0F)<\/td><td class=\"ts-num\">1930 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">280 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">1860 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">270 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">3 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">15 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">55 HRC <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">\u2014<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">965 max<\/td><td class=\"ts-num\">140 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 440C (UNS S44004)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">760 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">110 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">450 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">65 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">14 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">97 HRB <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">\u2014<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Tempered at 315 \u00b0C (600 \u00b0F)<\/td><td class=\"ts-num\">1970 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">285 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">1900 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">275 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">2 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">10 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">57 HRC <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">\u2014<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">965 max<\/td><td class=\"ts-num\">140 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n <ul class=\"ts-notes-list\">\n<li><sup>(a)<\/sup> B, bar; F, forgings; P, plate; Sh, sheet; St, strip; W, wire.<\/li>\n<li><sup>(b)<\/sup> 20% elongation for 1.3 mm (0.050 in.) and under in thickness.<\/li>\n<li><sup>(c)<\/sup> Typical values.<\/li>\n<li><sup>(d)<\/sup> Minimum elongation of 15% for forgings.<\/li>\n <\/ul>\n <div class=\"ts-disclaimer\">\n <h3>Table notes<\/h3>\n <p>Minimum mechanical properties for the standard martensitic stainless types, grouped by type — each row pairs a product form and condition with the properties guaranteed or typically expected in that condition. MPa and ksi columns are the same value in two units.<\/p>\n <p>Hardness is given as Rockwell B, Rockwell C or Brinell exactly as printed (c) values are typical rather than guaranteed minimums. The spec column lists the ASTM specification each row is drawn from (A 276, A 473, A 479, A 580, A 581 and others).<\/p>\n <p>In the source, one specification cell reads “A 276, 479”; it is read here as A 276, A 479.<\/p>\n <p>Reference data for comparison — confirm the applicable specification and finish condition on the mill certificate before ordering or designing.<\/p>\n <\/div>\n <div class=\"ts-rel\">\n <h3>Related reference pages<\/h3>\n <p><a href=\"\/420-stainless-steel\/\">420 stainless steel<\/a> · <a href=\"\/440c-stainless-steel\/\">440C stainless steel<\/a> · <a href=\"\/440c-stainless-steel-properties\/\">440C stainless steel properties<\/a> · <a href=\"\/4cr13-stainless-steel\/\">4Cr13 stainless steel<\/a> · <a href=\"\/stainless-steel-composition-chart\/\">Stainless steel composition chart<\/a> · <a href=\"\/420-stainless-steel-heat-treatment\/\">420 heat treatment<\/a> · <a href=\"\/440c-stainless-steel-heat-treatment\/\">440C heat treatment<\/a> · <a href=\"\/9cr18mo-stainless-steel\/\">9Cr18Mo stainless steel<\/a> · <a href=\"\/stainless-steels\/\">Stainless steels overview<\/a> · <a href=\"\/d2-steel-vs-440c\/\">D2 steel vs 440C<\/a> · <a href=\"\/stainless-steel-physical-properties-chart\/\">Stainless steel physical properties chart<\/a><\/p>\n <\/div>\n <p class=\"ts-source\">Source: ASM Handbook, Volume 1 — Properties and Selection: Irons, Steels, and High-Performance Alloys, Table 11 “Minimum mechanical properties of martensitic stainless steels” (10th ed.). Reference data for comparison — verify the applicable standard before ordering.<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>Martensitic Stainless Steel Properties Chart (403-440C) | Aobo Steel Stainless Steel Reference Data Martensitic Stainless Steel Properties Chart Minimum mechanical properties of the standard martensitic stainless steels — 403 through 440C, including the free-machining and specialty types. Rows are grouped by type; each row gives a product form and condition with its tensile strength, yield […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"normal-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-18254","page","type-page","status-publish","hentry"],"yoast_head":"\n<title>Martensitic Stainless Steel Properties Chart (403-440C) - 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Rows are grouped by type; each row gives a product form and condition with its tensile strength, yield…","rttpg_featured_image_url":null,"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/es\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"Martensitic Stainless Steel Properties Chart (403-440C) | Aobo Steel Stainless Steel Reference Data Martensitic Stainless Steel Properties Chart Minimum mechanical properties of the standard martensitic stainless steels — 403 through 440C, including the free-machining and specialty types. Rows are grouped by type; each row gives a product form and condition with its tensile strength, yield…","_links":{"self":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/18254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/comments?post=18254"}],"version-history":[{"count":3,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/18254\/revisions"}],"predecessor-version":[{"id":18444,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/18254\/revisions\/18444"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/media?parent=18254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":18254,"date":"2026-09-13T20:57:17","date_gmt":"2026-09-13T12:57:17","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=18254"},"modified":"2026-09-15T16:08:37","modified_gmt":"2026-09-15T08:08:37","slug":"martensitic-stainless-steel-properties-chart","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/martensitic-stainless-steel-properties-chart\/","title":{"rendered":"Martensitic Stainless Steel Properties Chart (403-440C)"},"content":{"rendered":"\n\n\n\n\n\nMartensitic Stainless Steel Properties Chart (403-440C) | Aobo Steel<\/title>\n<meta name=\"description\" content=\"Minimum mechanical properties of martensitic stainless steels - 403, 410, 416, 420, 431, 440A, 440B and 440C - tensile and yield strength, elongation, hardness and ASTM specification by product form and condition.\">\n<style>\n:root{\n --aobo-accent:#2563eb; --aobo-accent-dark:#1e1e2e; --aobo-blue:#0c56d0; --aobo-blue-dark:#073b91;\n --aobo-text:#333; --aobo-muted:#888; 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.ts-rel p a{font-weight:600;}\n<\/style>\n<\/head>\n<body>\n<section class=\"aobo-ht-ref ts-props\">\n <div class=\"aobo-wrap\">\n <div class=\"ts-hero\">\n <div class=\"ts-hero-top\">\n <div class=\"ts-kicker\"><span><\/span>Stainless Steel Reference Data<\/div>\n <h1>Martensitic Stainless Steel Properties Chart<\/h1>\n <p>Minimum mechanical properties of the standard martensitic stainless steels — 403 through 440C, including the free-machining and specialty types. Rows are grouped by type; each row gives a product form and condition with its tensile strength, yield strength, elongation, hardness and governing ASTM specification.<\/p>\n <\/div>\n <div class=\"ts-tool-area\">\n <div class=\"ts-legend\">\n <span><b>MPa \/ ksi<\/b> same value, two units<\/span>\n <span><b>(a)–(d)<\/b> footnotes<\/span>\n <span><b>(c)<\/b> typical values<\/span>\n <span><b>—<\/b> not specified<\/span>\n <\/div>\n <div class=\"ts-table-wrap\">\n <table class=\"ts-table ts-mart\">\n <thead>\n <tr><th>Form<\/th><th>Condition<\/th><th>Tensile<br>MPa<\/th><th>ksi<\/th><th>0.2% yield<br>MPa<\/th><th>ksi<\/th><th>Elongation<br>%<\/th><th>Reduction<br>%<\/th><th>Hardness<\/th><th>ASTM spec<\/th><\/tr>\n <\/thead>\n <tbody>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 403 (UNS S40300)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B, F<\/td><td class=\"ts-num ts-desc\">Annealed, hot finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">20<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, A 473, A 479<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">16<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Intermediate temper, hot finished<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">550<\/td><td class=\"ts-num\">80<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Intermediate temper, cold finished<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">550<\/td><td class=\"ts-num\">80<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Hard temper, hot or cold finished<\/td><td class=\"ts-num\">825<\/td><td class=\"ts-num\">120<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">20<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">16<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Intermediate temper, cold finished<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">550<\/td><td class=\"ts-num\">80<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Hard temper, cold finished<\/td><td class=\"ts-num\">825<\/td><td class=\"ts-num\">120<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">P, Sh, St<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">205<\/td><td class=\"ts-num\">30<\/td><td class=\"ts-num\">25 <span class=\"ts-sup\">(b)<\/span><\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">88 HRB max<\/td><td class=\"ts-num ts-desc\">A 176<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 410 (UNS S41000)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B, F<\/td><td class=\"ts-num ts-desc\">Annealed, hot finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">20<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, A 473, A 479<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">16<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Intermediate temper, hot finished<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">550<\/td><td class=\"ts-num\">80<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Intermediate temper, cold finished<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">550<\/td><td class=\"ts-num\">80<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Hard temper, hot or cold finished<\/td><td class=\"ts-num\">825<\/td><td class=\"ts-num\">120<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">20<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">16<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Intermediate temper, cold finished<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">550<\/td><td class=\"ts-num\">80<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Hard temper, cold finished<\/td><td class=\"ts-num\">825<\/td><td class=\"ts-num\">120<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">P, Sh, St<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">450<\/td><td class=\"ts-num\">65<\/td><td class=\"ts-num\">205<\/td><td class=\"ts-num\">30<\/td><td class=\"ts-num\">22 <span class=\"ts-sup\">(b)<\/span><\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">95 HRB max<\/td><td class=\"ts-num ts-desc\">A 176<\/td><\/tr>\n<tr><td class=\"ts-grade\">P, Sh, St<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">450<\/td><td class=\"ts-num\">65<\/td><td class=\"ts-num\">205<\/td><td class=\"ts-num\">30<\/td><td class=\"ts-num\">20<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">95 HRB max<\/td><td class=\"ts-num ts-desc\">A 240<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 410S (UNS S41008)<\/td><\/tr>\n<tr><td class=\"ts-grade\">F<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">450<\/td><td class=\"ts-num\">65<\/td><td class=\"ts-num\">240<\/td><td class=\"ts-num\">35<\/td><td class=\"ts-num\">22<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 473<\/td><\/tr>\n<tr><td class=\"ts-grade\">P, Sh, St<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">415<\/td><td class=\"ts-num\">60<\/td><td class=\"ts-num\">205<\/td><td class=\"ts-num\">30<\/td><td class=\"ts-num\">22 <span class=\"ts-sup\">(b)<\/span><\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">88 HRB max<\/td><td class=\"ts-num ts-desc\">A 176, A 240<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 410Cb (UNS S41040)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Annealed, hot finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">13<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, A 479<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">35<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, A 479<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Intermediate temper, hot finished<\/td><td class=\"ts-num\">860<\/td><td class=\"ts-num\">125<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">13<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, 479<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Intermediate temper, cold finished<\/td><td class=\"ts-num\">860<\/td><td class=\"ts-num\">125<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">12<\/td><td class=\"ts-num\">35<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, A 479<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">E-4 (UNS S41050)<\/td><\/tr>\n<tr><td class=\"ts-grade\">P, Sh, St<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">415<\/td><td class=\"ts-num\">60<\/td><td class=\"ts-num\">205<\/td><td class=\"ts-num\">30<\/td><td class=\"ts-num\">22<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">88 HRB max<\/td><td class=\"ts-num ts-desc\">A 276, A 240<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 414 (UNS S41400)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Intermediate temper, cold or hot finished<\/td><td class=\"ts-num\">795<\/td><td class=\"ts-num\">115<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, A 479<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">1030 max<\/td><td class=\"ts-num\">150 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">CA6NM (UNS S41500)<\/td><\/tr>\n<tr><td class=\"ts-grade\">P, Sh, St<\/td><td class=\"ts-num ts-desc\">Tempered<\/td><td class=\"ts-num\">795<\/td><td class=\"ts-num\">115<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">32 HRC max<\/td><td class=\"ts-num ts-desc\">A 176, A 240<\/td><\/tr>\n<tr><td class=\"ts-grade\">B, F<\/td><td class=\"ts-num ts-desc\">Tempered<\/td><td class=\"ts-num\">795<\/td><td class=\"ts-num\">115<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 276, A 473, A 479<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Types 416 (UNS S41600) and 416Se (UNS S41623)<\/td><\/tr>\n<tr><td class=\"ts-grade\">F<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">485<\/td><td class=\"ts-num\">70<\/td><td class=\"ts-num\">275<\/td><td class=\"ts-num\">40<\/td><td class=\"ts-num\">20<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 473<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">585-860<\/td><td class=\"ts-num\">85-125<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 581<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Intermediate temper<\/td><td class=\"ts-num\">795-1000<\/td><td class=\"ts-num\">115-145<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 581<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Hard temper<\/td><td class=\"ts-num\">965-1210<\/td><td class=\"ts-num\">140-175<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 581<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 416 plus X (UNS S41610)<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">585-860<\/td><td class=\"ts-num\">85-125<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 581<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Intermediate temper<\/td><td class=\"ts-num\">795-1000<\/td><td class=\"ts-num\">115-145<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 581<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Hard temper<\/td><td class=\"ts-num\">965-1210<\/td><td class=\"ts-num\">140-175<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 581<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 418 (UNS S41800)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B, F<\/td><td class=\"ts-num ts-desc\">Tempered at 620 \u00b0C (1150 \u00b0F)<\/td><td class=\"ts-num\">965<\/td><td class=\"ts-num\">140<\/td><td class=\"ts-num\">760<\/td><td class=\"ts-num\">110<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">45<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 565<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 420 (UNS S42000)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Tempered at 204 \u00b0C (400 \u00b0F)<\/td><td class=\"ts-num\">1720<\/td><td class=\"ts-num\">250<\/td><td class=\"ts-num\">1480 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">215 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">8 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">25 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">52 HRC <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">\u2014<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">860 max<\/td><td class=\"ts-num\">125 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">P, Sh, St<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">690<\/td><td class=\"ts-num\">100<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">96 HRB max<\/td><td class=\"ts-num ts-desc\">A 176<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">TrimRite (UNS S42010)<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">690 max<\/td><td class=\"ts-num\">100 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 493<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Lightly drafted<\/td><td class=\"ts-num\">725 max<\/td><td class=\"ts-num\">105 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 493<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 422 (UNS S42200)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B, F<\/td><td class=\"ts-num ts-desc\">Tempered at 675 \u00b0C (1250 \u00b0F)<\/td><td class=\"ts-num\">825<\/td><td class=\"ts-num\">120<\/td><td class=\"ts-num\">585<\/td><td class=\"ts-num\">85<\/td><td class=\"ts-num\">17 <span class=\"ts-sup\">(d)<\/span><\/td><td class=\"ts-num\">35<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 565<\/td><\/tr>\n<tr><td class=\"ts-grade\">B, F<\/td><td class=\"ts-num ts-desc\">Tempered at 620 \u00b0C (1150 \u00b0F)<\/td><td class=\"ts-num\">965<\/td><td class=\"ts-num\">140<\/td><td class=\"ts-num\">760<\/td><td class=\"ts-num\">110<\/td><td class=\"ts-num\">13<\/td><td class=\"ts-num\">30<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 565<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Lapelloy (UNS S42300)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B, F<\/td><td class=\"ts-num ts-desc\">Tempered at 620 \u00b0C (1150 \u00b0F)<\/td><td class=\"ts-num\">965<\/td><td class=\"ts-num\">140<\/td><td class=\"ts-num\">760<\/td><td class=\"ts-num\">110<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-num\">20<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 565<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 431 (UNS S43100)<\/td><\/tr>\n<tr><td class=\"ts-grade\">F<\/td><td class=\"ts-num ts-desc\">Intermediate temper<\/td><td class=\"ts-num\">795<\/td><td class=\"ts-num\">115<\/td><td class=\"ts-num\">620<\/td><td class=\"ts-num\">90<\/td><td class=\"ts-num\">15<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 473<\/td><\/tr>\n<tr><td class=\"ts-grade\">F<\/td><td class=\"ts-num ts-desc\">Hard temper<\/td><td class=\"ts-num\">1210<\/td><td class=\"ts-num\">175<\/td><td class=\"ts-num\">930<\/td><td class=\"ts-num\">135<\/td><td class=\"ts-num\">13<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 473<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">965 max<\/td><td class=\"ts-num\">140 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">760<\/td><td class=\"ts-num\">110<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 493<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Lightly drafted<\/td><td class=\"ts-num\">795<\/td><td class=\"ts-num\">115<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 493<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 440A (UNS S44002)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">725 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">105 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">415 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">60 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">20 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">95 HRB <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">\u2014<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Tempered at 315 \u00b0C (600 \u00b0F)<\/td><td class=\"ts-num\">1790 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">260 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">1650 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">240 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">5 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">20 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">51 HRC <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">\u2014<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">965 max<\/td><td class=\"ts-num\">140 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 440B (UNS S44003)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">740 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">107 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">425 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">62 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">18 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">96 HRB <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">\u2014<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Tempered at 315 \u00b0C (600 \u00b0F)<\/td><td class=\"ts-num\">1930 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">280 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">1860 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">270 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">3 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">15 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">55 HRC <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">\u2014<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">965 max<\/td><td class=\"ts-num\">140 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n<tr class=\"ts-group\"><td colspan=\"10\">Type 440C (UNS S44004)<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Annealed<\/td><td class=\"ts-num\">760 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">110 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">450 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">65 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">14 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">97 HRB <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">\u2014<\/td><\/tr>\n<tr><td class=\"ts-grade\">B<\/td><td class=\"ts-num ts-desc\">Tempered at 315 \u00b0C (600 \u00b0F)<\/td><td class=\"ts-num\">1970 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">285 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">1900 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">275 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">2 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num\">10 <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">57 HRC <span class=\"ts-sup\">(c)<\/span><\/td><td class=\"ts-num ts-desc\">\u2014<\/td><\/tr>\n<tr><td class=\"ts-grade\">W<\/td><td class=\"ts-num ts-desc\">Annealed, cold finished<\/td><td class=\"ts-num\">965 max<\/td><td class=\"ts-num\">140 max<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num\">\u2014<\/td><td class=\"ts-num ts-desc\">\u2014<\/td><td class=\"ts-num ts-desc\">A 580<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n <ul class=\"ts-notes-list\">\n<li><sup>(a)<\/sup> B, bar; F, forgings; P, plate; Sh, sheet; St, strip; W, wire.<\/li>\n<li><sup>(b)<\/sup> 20% elongation for 1.3 mm (0.050 in.) and under in thickness.<\/li>\n<li><sup>(c)<\/sup> Typical values.<\/li>\n<li><sup>(d)<\/sup> Minimum elongation of 15% for forgings.<\/li>\n <\/ul>\n <div class=\"ts-disclaimer\">\n <h3>Table notes<\/h3>\n <p>Minimum mechanical properties for the standard martensitic stainless types, grouped by type — each row pairs a product form and condition with the properties guaranteed or typically expected in that condition. MPa and ksi columns are the same value in two units.<\/p>\n <p>Hardness is given as Rockwell B, Rockwell C or Brinell exactly as printed (c) values are typical rather than guaranteed minimums. The spec column lists the ASTM specification each row is drawn from (A 276, A 473, A 479, A 580, A 581 and others).<\/p>\n <p>In the source, one specification cell reads “A 276, 479”; it is read here as A 276, A 479.<\/p>\n <p>Reference data for comparison — confirm the applicable specification and finish condition on the mill certificate before ordering or designing.<\/p>\n <\/div>\n <div class=\"ts-rel\">\n <h3>Related reference pages<\/h3>\n <p><a href=\"\/420-stainless-steel\/\">420 stainless steel<\/a> · <a href=\"\/440c-stainless-steel\/\">440C stainless steel<\/a> · <a href=\"\/440c-stainless-steel-properties\/\">440C stainless steel properties<\/a> · <a href=\"\/4cr13-stainless-steel\/\">4Cr13 stainless steel<\/a> · <a href=\"\/stainless-steel-composition-chart\/\">Stainless steel composition chart<\/a> · <a href=\"\/420-stainless-steel-heat-treatment\/\">420 heat treatment<\/a> · <a href=\"\/440c-stainless-steel-heat-treatment\/\">440C heat treatment<\/a> · <a href=\"\/9cr18mo-stainless-steel\/\">9Cr18Mo stainless steel<\/a> · <a href=\"\/stainless-steels\/\">Stainless steels overview<\/a> · <a href=\"\/d2-steel-vs-440c\/\">D2 steel vs 440C<\/a> · <a href=\"\/stainless-steel-physical-properties-chart\/\">Stainless steel physical properties chart<\/a><\/p>\n <\/div>\n <p class=\"ts-source\">Source: ASM Handbook, Volume 1 — Properties and Selection: Irons, Steels, and High-Performance Alloys, Table 11 “Minimum mechanical properties of martensitic stainless steels” (10th ed.). Reference data for comparison — verify the applicable standard before ordering.<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>Martensitic Stainless Steel Properties Chart (403-440C) | Aobo Steel Stainless Steel Reference Data Martensitic Stainless Steel Properties Chart Minimum mechanical properties of the standard martensitic stainless steels — 403 through 440C, including the free-machining and specialty types. Rows are grouped by type; each row gives a product form and condition with its tensile strength, yield […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"normal-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-18254","page","type-page","status-publish","hentry"],"yoast_head":"\n<title>Martensitic Stainless Steel Properties Chart (403-440C) - 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