{"id":9870,"date":"2025-08-24T16:00:18","date_gmt":"2025-08-24T08:00:18","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9870"},"modified":"2026-10-14T14:05:01","modified_gmt":"2026-10-14T06:05:01","slug":"4cr5mosiv-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/4cr5mosiv-tool-steel\/","title":{"rendered":"Acero para herramientas de trabajo en caliente 4Cr5MoSiV"},"content":{"rendered":"\n<style id=\"aobo-steel-rebuild\" data-noptimize=\"1\">\n\/* Rebuilt tool-steel page: banner is full-bleed, the body keeps the site's normal\n   content width. 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}\n.ads2-t.kv td:first-child { background: #f6f8fa; font-weight: 600; color: #062a5a; width: 34%; }\n.ads2-t.data { font-size: 14.5px; }\n.ads2-t.data td, .ads2-t.data th { padding: 9px 11px; }\n.ads2-t.data thead th, .ads2-t.data tr:first-child td { background: #eef3f9; font-weight: 700; color: #062a5a; }\n.ads2-t.data tbody tr:nth-child(odd) td { background: #fbfcfd; }\n@media (max-width: 1000px) {\n  .ads2-row { grid-template-columns: 1fr; gap: 22px; }\n  .ads2-row-flip .ads2-col-i { order: 0; }\n  .ads2-cols2 { grid-template-columns: 1fr; }\n  .ads2-h1 { font-size: 30px; }\n  .ads2-hero { min-height: 340px; }\n}\n@media (max-width: 700px) {\n  .ads2-gal { grid-template-columns: 1fr; }\n  .ads2-body { padding: 32px 18px 44px; }\n  .ads2-t { font-size: 14px; }\n  .ads2-t td, .ads2-t th { padding: 9px 10px; }\n  .ads2-t.kv td:first-child { width: 42%; }\n  .ads2-tw { -webkit-overflow-scrolling: touch; }\n}\n@media (max-width: 640px) {\n  .ads2-hero-in { padding: 34px 18px 38px; }\n  .ads2-h1 { font-size: 25px; }\n  .ads2 h2 { font-size: 22px; }\n  .ads2-tag { font-size: 13px; }\n  .ads2-sub { font-size: 15px; }\n  .ads2-checks { gap: 6px 16px; }\n  .ads2-checks li { font-size: 14px; }\n  .ads2-btn { padding: 12px 24px; font-size: 15px; }\n  .ads2-sec { margin-bottom: 40px; }\n}\n<\/style>\n<div class=\"ads2\">\n<section class=\"ads2-hero\">\n  <img class=\"ads2-hero-img\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3.webp\" sizes=\"100vw\" alt=\"Bulk tool steel bar stock in the Aobo Steel warehouse\" loading=\"eager\" decoding=\"async\">\n  <div class=\"ads2-hero-ov\"><\/div>\n  <div class=\"ads2-hero-scrim\"><\/div>\n  <div class=\"ads2-hero-in\">\n    <h1 class=\"ads2-h1\">4Cr5MoSiV Hot Work Tool Steel<\/h1>\n    <p class=\"ads2-tag\"><em>AOBO STEEL \u2013 Trusted Global Tool Steel Supplier<\/em><\/p>\n    <div class=\"ads2-cta popmake-16052\"><a class=\"ads2-btn\" href=\"#\">Send Inquiry Now<\/a><\/div>\n  <\/div>\n<\/section>\n<div class=\"ads2-body\">\n<section class=\"ads2-sec\">\n<p>4Cr5MoSiV is a Chinese national standard grade, equivalent to <a href=\"https:\/\/www.steel.org\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">AISI<\/mark><\/a> <a href=\"https:\/\/aobosteel.com\/h11-tool-steel\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">H11<\/mark><\/a> in the United States. Compared with <a href=\"https:\/\/aobosteel.com\/4cr5mosiv1-tool-steel\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">4Cr5MoSiV1<\/mark><\/a>(AISI <a href=\"https:\/\/aobosteel.com\/h13-tool-steel\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">H13<\/mark><\/a>\/DIN 1.2343), the vanadium content in the composition of 4Cr5MoSiV is lower. 4Cr5MoSiV1 generally has higher hot strength and hardness, and is more widely used, but 4Cr5MoSiV is still favored for high-speed hammer forging dies due to its excellent thermal fatigue resistance.<\/p>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>1. Chemical Composition(GB \/ T 1299\u20142000)<\/h2>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td><strong>C<\/strong><\/td><td><strong>Si<\/strong><\/td><td><strong>Mn<\/strong><\/td><td><strong>Cr<\/strong><\/td><td><strong>Mo<\/strong><\/td><td><strong>V<\/strong><\/td><td><strong>P<\/strong><\/td><td><strong>S<\/strong><\/td><\/tr><\/thead><tbody><tr><td>0.33 &#8211; 0.43%<\/td><td>0.80 &#8211; 1.20%<\/td><td>0.20 &#8211; 0.50%<\/td><td>4.75 &#8211; 5.50%<\/td><td>1.10 &#8211; 1.60%<\/td><td>0.30 &#8211; 0.60%<\/td><td>\u22640.030%<\/td><td>\u22640.030%<\/td><\/tr><\/tbody><\/table><\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>2. Physical Properties of 4Cr5MoSiV<\/h2>\n<p><strong>2.1 Critical Temperatures<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td><strong>Critical Point<\/strong><\/td><td><strong>Ac\u2081<\/strong><\/td><td><strong>Ac\u2083<\/strong><\/td><td><strong>Ar\u2081<\/strong><\/td><td><strong>Ar\u2083<\/strong><\/td><td><strong>Ms<\/strong><\/td><td><strong>Mf<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Temperature (approx.) \/ \u00b0C<\/td><td>853<\/td><td>912<\/td><td>720<\/td><td>773<\/td><td>310<\/td><td>103<\/td><\/tr><\/tbody><\/table><\/div>\n<p><strong>2.2 Coefficient of Linear Expansion<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td><strong>Temperature \/ \u00b0C<\/strong><\/td><td><strong>20 ~ 100<\/strong><\/td><td><strong>20 ~ 200<\/strong><\/td><td><strong>20 ~ 300<\/strong><\/td><td><strong>20 ~ 400<\/strong><\/td><td><strong>20 ~ 500<\/strong><\/td><td><strong>20 ~ 600<\/strong><\/td><td><strong>20 ~ 700<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Coeff. of Linear Expansion \u03b1 \/ 10\u207b\u2076 \u00b0C\u207b\u00b9<\/td><td>10.0<\/td><td>10.9<\/td><td>11.4<\/td><td>12.2<\/td><td>12.8<\/td><td>13.3<\/td><td>13.6<\/td><\/tr><\/tbody><\/table><\/div>\n<p><strong>2.3 Thermal Conductivity<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td><strong>Temperature \/ \u00b0C<\/strong><\/td><td><strong>100<\/strong><\/td><td><strong>200<\/strong><\/td><td><strong>300<\/strong><\/td><td><strong>400<\/strong><\/td><td><strong>500<\/strong><\/td><td><strong>600<\/strong><\/td><td><strong>700<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Thermal Conductivity \u03bb \/ [W\/(m\u00b7K)]<\/td><td>25.9<\/td><td>27.6<\/td><td>28.4<\/td><td>28.0<\/td><td>27.6<\/td><td>26.7<\/td><td>25.9<\/td><\/tr><\/tbody><\/table><\/div>\n<p><strong>2.4 Modulus of Elasticity<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td><strong>Temperature \/ \u00b0C<\/strong><\/td><td><strong>20<\/strong><\/td><td><strong>100<\/strong><\/td><td><strong>200<\/strong><\/td><td><strong>300<\/strong><\/td><td><strong>400<\/strong><\/td><td><strong>500<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Modulus of Elasticity E \/ MPa<\/td><td>227,000<\/td><td>221,000<\/td><td>216,000<\/td><td>208,000<\/td><td>200,000<\/td><td>192,000<\/td><\/tr><\/tbody><\/table><\/div>\n<p><strong>2.5 Density and Specific Heat Capacity <\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t kv\"><tbody><tr><td><strong>Density \/ (g\/cm\u00b3)<\/strong><\/td><td><strong>Specific Heat Capacity c\u209a (20\u00b0C) \/ [J\/(kg\u00b7K)]<\/strong><\/td><\/tr><tr><td>7.69<\/td><td>459.8<\/td><\/tr><\/tbody><\/table><\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>3. Hot <strong>Forging Process Specification for 4Cr5MoSiV Steel<\/strong><\/h2>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td><strong>Item<\/strong><\/td><td><strong>Heating Temperature \/ \u00b0C<\/strong><\/td><td><strong>Initial Forging Temperature \/ \u00b0C<\/strong><\/td><td><strong>Final Forging Temperature \/ \u00b0C<\/strong><\/td><td><strong>Cooling Method<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Steel Ingot<\/td><td>1140 ~ 1180<\/td><td>1100 ~ 1150<\/td><td>\u2265900<\/td><td>Sand cooling or pit cooling<\/td><\/tr><tr><td>Steel Billet<\/td><td>1120 ~ 1150<\/td><td>1070 ~ 1100<\/td><td>850 ~ 900<\/td><td>Sand cooling or pit cooling<\/td><\/tr><\/tbody><\/table><\/div>\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/H11-TOOL-STEEL-FLAT.avif\" alt=\"H11 Tool Steel\" class=\"wp-image-6292\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/H11-TOOL-STEEL-FLAT.avif 500w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/H11-TOOL-STEEL-FLAT-300x300.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/H11-TOOL-STEEL-FLAT-150x150.avif 150w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/H11-TOOL-STEEL-FLAT-12x12.avif 12w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><figcaption class=\"wp-element-caption\">H11 tool steel<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Please fill out the following contact form to get the latest 4Cr5MoSiV quotation.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f16042-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"16042\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/es\/wp-json\/wp\/v2\/pages\/9870#wpcf7-f16042-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16042\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.2.3\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f16042-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"wpcf7-turnstile cf-turnstile\" data-sitekey=\"0x4AAAAAAFMY32JbOfIdWijB\" data-response-field-name=\"_wpcf7_turnstile_response\"><\/div>\n\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" autocomplete=\"name\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Your Name *\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n<\/p>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" autocomplete=\"email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Email *\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n<\/p>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"4\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Message *\" name=\"your-message\"><\/textarea><\/span>\n<\/p>\n<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Send Inquiry\" \/>\n<\/p><p style=\"display: none !important;\" class=\"akismet-fields-container\" data-prefix=\"_wpcf7_ak_\"><label>&#916;<textarea name=\"_wpcf7_ak_hp_textarea\" cols=\"45\" rows=\"8\" maxlength=\"100\"><\/textarea><\/label><input type=\"hidden\" id=\"ak_js_1\" name=\"_wpcf7_ak_js\" value=\"30\"\/><script>\ndocument.getElementById( \"ak_js_1\" ).setAttribute( \"value\", ( new Date() ).getTime() );\n<\/script>\n<\/p><input type='hidden' class='wpcf7-pum' value='{\"closepopup\":false,\"closedelay\":0,\"openpopup\":true,\"openpopup_id\":16052}' \/><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<\/section>\n<section class=\"ads2-sec\">\n<h2>4. Heat Treatment of 4Cr5MoSiV<\/h2>\n<p><strong>4.1 Preheating<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t kv\"><tbody><tr><td><strong>Preliminary Heat Treatment Plan<\/strong><\/td><td><strong>Process Parameters<\/strong><\/td><\/tr><tr><td>Post-forging Annealing<\/td><td>Heating temperature 860 ~ 890\u00b0C, hold for 2 ~ 4h; furnace cool to below 500\u00b0C then air cool. Hardness after annealing \u2264229HBW.<\/td><\/tr><tr><td>Stress Relief Annealing<\/td><td>Heating temperature 730 ~ 760\u00b0C, hold for 3 ~ 4h, furnace cool or air cool.<\/td><\/tr><\/tbody><\/table><\/div>\n<p><strong>4.2 Quenching<\/strong><\/p>\n<p><strong>\u2460 Recommended Quenching Process Specification<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td><strong>Quenching Temperature \/ \u00b0C<\/strong><\/td><td><strong>Quenching Medium<\/strong><\/td><td><strong>Quenching Medium Temperature \/ \u00b0C<\/strong><\/td><td><strong>Subsequent Step<\/strong><\/td><td><strong>Hardness HRC<\/strong><\/td><\/tr><\/thead><tbody><tr><td>1000 ~ 1030<\/td><td>Oil or Air<\/td><td>20 ~ 60<\/td><td>Cool to oil temperature<\/td><td>53 ~ 55<\/td><\/tr><\/tbody><\/table><\/div>\n<p><strong>\u2461 Relationship between Quenching Temperature and Hardness<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td><strong>Quenching Temperature \/ \u00b0C<\/strong><\/td><td><strong>950<\/strong><\/td><td><strong>975<\/strong><\/td><td><strong>1000<\/strong><\/td><td><strong>1025<\/strong><\/td><td><strong>1050<\/strong><\/td><td><strong>1075<\/strong><\/td><td><strong>1100<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Hardness HRC<\/td><td>51<\/td><td>53<\/td><td>54.5<\/td><td>56<\/td><td>58<\/td><td>58.5<\/td><td>57.5<\/td><\/tr><\/tbody><\/table><\/div>\n<p><strong>4.3 Tempering<\/strong><\/p>\n<p><strong>\u2460 Recommended Tempering Process Specification<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><th>Purpose of Tempering<\/th><th>Temperature \/ \u00b0C<\/th><th>Equipment<\/th><th>Cooling<\/th><th>Number of Tempers<\/th><th>Hardness HRC<\/th><\/tr><\/thead><tbody><tr><td>Eliminate stress and reduce hardness<\/td><td>530 ~ 580<\/td><td>Molten salt bath furnace or air furnace<\/td><td>Air cool<\/td><td>2<\/td><td>47 ~ 49<\/td><\/tr><\/tbody><\/table><\/div>\n<p><em>Note: The second tempering temperature is usually 20 ~ 30\u00b0C lower than the first.<\/em><\/p>\n<p><strong>\u2461 Mechanical Properties after Tempering at Different Temperatures<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><th>Tempering Temperature \/ \u00b0C<\/th><th>500<\/th><th>550<\/th><th>600<\/th><th>650<\/th><\/tr><\/thead><tbody><tr><td>Hardness HRC<\/td><td>57<\/td><td>54.5<\/td><td>46.5<\/td><td>37<\/td><\/tr><tr><td>a\u1d0b \/ (J\/cm\u00b2)<\/td><td>20<\/td><td>45<\/td><td>60<\/td><td>66<\/td><\/tr><\/tbody><\/table><\/div>\n<p><em>Note: 1000\u00b0C air cool, 580\u00b0C temper.<\/em><\/p>\n<p><strong>4.4 Recommended Surface Strengthening Treatment Process Specification<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><th>Process<\/th><th>Temperature \/ \u00b0C<\/th><th>Time \/ h<\/th><th>Medium<\/th><th>Layer Thickness \/ mm<\/th><th>Surface Hardness HV<\/th><\/tr><\/thead><tbody><tr><td>Nitriding<\/td><td>560<\/td><td>2<\/td><td>KNO\u2083 50% + NaNO\u2083 50% (Mass Fraction)<\/td><td>0.04<\/td><td>640 ~ 690<\/td><\/tr><tr><td>Nitriding<\/td><td>580<\/td><td>8<\/td><td>Natural Gas + Ammonia<\/td><td>0.25 ~ 0.30<\/td><td>830 ~ 860<\/td><\/tr><tr><td>Nitriding<\/td><td>540<\/td><td>12 ~ 20<\/td><td>Ammonia decomposition rate 30% ~ 60%<\/td><td>0.15 ~ 0.20<\/td><td>550 ~ 750<\/td><\/tr><\/tbody><\/table><\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>5. Mechanical Properties<\/h2>\n<p>4Cr5MoSiV (H11) steel is an air-cooling hardening type hot-work tool steel. It has good toughness, and after heat treatment strengthening, its strength can reach over 2070 MPa. Because it can be hardened in air, quenching deformation and residual stress are small, and the tendency for surface oxidation is also small. It can produce a secondary hardening phenomenon and can achieve optimal performance when tempered above 510\u00b0C. After high-temperature tempering, most of the internal stress can be eliminated. It has good thermal stability and can resist the erosion of molten aluminum alloy. Below 650\u00b0C, it has high ductility, impact toughness, oxidation resistance, thermal fatigue resistance, as well as high creep strength and tensile strength.<\/p>\n<p><strong>5.1 High-Temperature Mechanical Properties<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td><strong>Test Temperature \/ \u00b0C<\/strong><\/td><td><strong>R\u2098 \/ MPa<\/strong><\/td><td><strong>R\u2091\u2097 \/ MPa<\/strong><\/td><td><strong>A (%)<\/strong><\/td><td><strong>Z (%)<\/strong><\/td><\/tr><\/thead><tbody><tr><td>300<\/td><td>1504<\/td><td>1311<\/td><td>12.0<\/td><td>39.1<\/td><\/tr><tr><td>600<\/td><td>895<\/td><td>794<\/td><td>21.9<\/td><td>72.9<\/td><\/tr><tr><td>650<\/td><td>471<\/td><td>402<\/td><td>33.1<\/td><td>85.5<\/td><\/tr><tr><td>700<\/td><td>226<\/td><td>179<\/td><td>55.0<\/td><td>94.5<\/td><\/tr><\/tbody><\/table><\/div>\n<p><strong>5.2 High-Temperature Hardness<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><th>Test Temperature \/ \u00b0C<\/th><th>300<\/th><th>450<\/th><th>600<\/th><th>650<\/th><th>700<\/th><th>750<\/th><\/tr><\/thead><tbody><tr><td>Hardness HV<\/td><td>491.5<\/td><td>448.5<\/td><td>384.0<\/td><td>302.5<\/td><td>227.5<\/td><td>178.5<\/td><\/tr><\/tbody><\/table><\/div>\n<p><em>Note: Original hardness of the specimen 49~50HRC.<\/em><\/p>\n<p><strong>5.3 High-Temperature Impact Toughness<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><th>Test Temperature \/ \u00b0C<\/th><th>300<\/th><th>600<\/th><th>650<\/th><th>700<\/th><\/tr><\/thead><tbody><tr><td>Impact Absorption Energy K \/ J<\/td><td>28.8<\/td><td>31.0<\/td><td>36.5<\/td><td>70.0<\/td><\/tr><\/tbody><\/table><\/div>\n<p><strong>5.4 Thermal Fatigue Performance<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t kv\"><thead><tr><th><\/th><th>Grade<\/th><\/tr><\/thead><tbody><tr><td>20 ~ 650\u00b0C repeated 1000 times<\/td><td>8.2<\/td><\/tr><tr><td>20 ~ 750\u00b0C repeated 1000 times<\/td><td>14.6<\/td><\/tr><\/tbody><\/table><\/div>\n<p><strong>5.5 Thermal Wear Resistance<\/strong><\/p>\n<p><strong>4Cr5MoSiV Steel Thermal Wear Resistance (I)<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><th>Rotations\/times<\/th><th>300<\/th><th>600<\/th><th>900<\/th><th>1200<\/th><th>1500<\/th><th>2500<\/th><\/tr><\/thead><tbody><tr><td>Weight Loss \/ mg<\/td><td>0.67<\/td><td>0.80<\/td><td>1.4<\/td><td>1.63<\/td><td>1.97<\/td><td>2.62<\/td><\/tr><\/tbody><\/table><\/div>\n<p><em>Note: Test temperature 800 ~ 850\u00b0C, pressure 784 ~ 882N, specimen hardness 49 ~ 50HRC.<\/em><\/p>\n<p><strong>Table 5-89 4Cr5MoSiV Steel Thermal Wear Resistance (II)<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><th>Rotations\/times<\/th><th>100<\/th><th>200<\/th><th>300<\/th><th>400<\/th><th>500<\/th><th>600<\/th><th>700<\/th><th>1000<\/th><\/tr><\/thead><tbody><tr><td>Weight Loss \/ mg<\/td><td>0.77<\/td><td>1.67<\/td><td>2.50<\/td><td>3.47<\/td><td>4.33<\/td><td>4.90<\/td><td>5.60<\/td><td>7.40<\/td><\/tr><\/tbody><\/table><\/div>\n<p><em>Note: Test temperature 910 ~ 950\u00b0C, pressure 1784 ~ 1813N, specimen hardness 49 ~ 50HRC.<\/em><\/p>\n<p><strong>5.6 Tempering Resistance<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><th>Temperature \/ \u00b0C<\/th><th>500 (Secondary Hardening Peak Temperature)<\/th><th>560<\/th><th>615<\/th><th>600<\/th><th>653<\/th><\/tr><\/thead><tbody><tr><td>Hardness HRC<\/td><td>55.0 (Highest Secondary Hardening Hardness)<\/td><td>49.0<\/td><td>42.0<\/td><td>36.0<\/td><td>35.0<\/td><\/tr><\/tbody><\/table><\/div>\n<p><em>Note: Specimen quenched in oil at 1020\u00b0C, hardness 59~60HRC.<\/em><\/p>\n<p><strong>5.7 Thermal Corrosion Resistance<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><th>Test Temperature and Time<\/th><th>620\u00b0C \u00d7 4h<\/th><th>680\u00b0C \u00d7 4h<\/th><\/tr><\/thead><tbody><tr><td>Weight Loss \/ (g\/dm\u00b2)<\/td><td>4.4188<\/td><td>16.4<\/td><\/tr><\/tbody><\/table><\/div>\n<p><strong>5.8) Fatigue Limit<\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><th>Test Temperature \/ \u00b0C<\/th><th>Room Temp<\/th><th>300<\/th><th>400<\/th><th>450<\/th><th>500<\/th><\/tr><\/thead><tbody><tr><td>\u03c3-1 \/ MPa<\/td><td>880<\/td><td>680<\/td><td>640<\/td><td>630<\/td><td>610<\/td><\/tr><tr><td>\u03c3-1k \/ MPa<\/td><td>570<\/td><td>440<\/td><td>430<\/td><td>\u2014<\/td><td>420<\/td><\/tr><\/tbody><\/table><\/div>\n<p><strong>5.9 <strong>Thermal Stability of 4Cr5MoSiV Steel at 620\u00b0C<\/strong><\/strong><\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><th>Holding Time \/ h<\/th><th>2<\/th><th>4<\/th><th>6<\/th><th>8<\/th><th>11.5<\/th><th>14.5<\/th><th>17.5<\/th><th>21<\/th><\/tr><\/thead><tbody><tr><td>Hardness HRC<\/td><td>39.4<\/td><td>38.4<\/td><td>36.9<\/td><td>35.1<\/td><td>34.4<\/td><td>33.2<\/td><td>32.6<\/td><td>32.3<\/td><\/tr><\/tbody><\/table><\/div>\n<p><em>Note: Original hardness of the specimen was 49.9 HRC.<\/em><\/p>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>6. Applications<\/h2>\n<p>4Cr5MoSiV (H11) steel is commonly used for manufacturing die-casting molds for aluminum castings, hot extrusion dies, tools and core rods for piercing, press forging dies, plastic molds, etc. Additionally, due to its good medium-temperature strength, it is also used for manufacturing structural components for aircraft, rockets, and parts for steam turbines and gas turbines.<\/p>\n<div class=\"ads2-cta popmake-16052\"><a class=\"ads2-btn\" href=\"#\">Open RFQ Form<\/a><\/div>\n<\/section>\n<\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>4Cr5MoSiV Hot Work Tool Steel AOBO STEEL \u2013 Trusted Global Tool Steel Supplier Send Inquiry Now 4Cr5MoSiV is a Chinese national standard grade, equivalent to AISI H11 in the United States. Compared with 4Cr5MoSiV1(AISI H13\/DIN 1.2343), the vanadium content in the composition of 4Cr5MoSiV is lower. 4Cr5MoSiV1 generally has higher hot strength and hardness, and [&hellip;]<\/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":"default","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":"disabled","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":"default","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-9870","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - 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Compared with 4Cr5MoSiV1(AISI H13\/DIN 1.2343), the vanadium content in the composition of 4Cr5MoSiV is lower. 4Cr5MoSiV1 generally has higher hot strength and hardness, and&hellip;","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":"4Cr5MoSiV Hot Work Tool Steel AOBO STEEL \u2013 Trusted Global Tool Steel Supplier Send Inquiry Now 4Cr5MoSiV is a Chinese national standard grade, equivalent to AISI H11 in the United States. Compared with 4Cr5MoSiV1(AISI H13\/DIN 1.2343), the vanadium content in the composition of 4Cr5MoSiV is lower. 4Cr5MoSiV1 generally has higher hot strength and hardness, and&hellip;","_links":{"self":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/9870","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=9870"}],"version-history":[{"count":4,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/9870\/revisions"}],"predecessor-version":[{"id":22246,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/9870\/revisions\/22246"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/media?parent=9870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}