{"id":13560,"date":"2026-03-12T18:00:50","date_gmt":"2026-03-12T10:00:50","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=13560"},"modified":"2026-05-02T11:50:40","modified_gmt":"2026-05-02T03:50:40","slug":"h13-vs-h11-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/h13-vs-h11-tool-steel\/","title":{"rendered":"H13 vs H11 Tool Steel: Aobo Steel\u2019s Final Selection Guide"},"content":{"rendered":"
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H13 vs H11 Tool Steel Comparison and Selection Guide<\/h1><\/div>\n\n\n\n
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Quick Inquiry for H13\/H11 Tool Steel<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n
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H13 and H11 are both 5% chromium hot-work tool steels used for dies, molds, inserts, punches, and high-temperature tooling. They have similar base alloy systems, but they are not selected for the same failure conditions.<\/p>\n\n\n\n

The practical difference is that H13 is usually selected when tool life is limited by hot wear, surface degradation, thermal fatigue, or hardness loss. H11 is usually selected when tool life is limited by impact, cracking, fracture, or large-section stress.<\/p>\n\n\n\n

For global sourcing, H13 is commonly associated with 1.2344 \/ SKD61, while H11 is commonly associated with 1.2343 \/ SKD6. Grade names are useful references, but final selection should still be checked against composition, delivery condition, and application requirements.<\/p>\n\n\n\n

H13 vs H11 Tool Steel at a Glance<\/h2>\n\n\n\n
Choose H13 when\u2026<\/td>Choose H11 when\u2026<\/td><\/tr>
Hot wear and abrasion are the main problems<\/td>Impact and cracking are the main problems<\/td><\/tr>
The tool surface fails by erosion, washing, or heat checking<\/td>The tool fails by fracture, chipping, or crack propagation<\/td><\/tr>
Die casting, extrusion, or hot-wear tooling needs stable hot hardness<\/td>Forging dies, large tools, or impact-loaded tools need stronger toughness<\/td><\/tr>
Nitriding or severe surface-wear service is expected<\/td>Better machinability and lower carbide content are useful<\/td><\/tr>
High surface stability or polishability is required, especially with ESR H13<\/td>Structural reliability under heavy stress is more important than maximum wear resistance<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

The simple selection rule is to choose H13 for heat and wear. Choose H11 for impact and cracking.<\/p>\n\n\n\n

H13 vs H11 Tool Steel Equivalent Grades<\/h2>\n\n\n\n

Different countries and standards use different names for H13 and H11. These designations are helpful for sourcing, but they are not automatic substitutes. The buyer should confirm the exact chemical range, melting route, heat-treatment condition, and inspection requirements before replacing one standard with another.<\/p>\n\n\n\n

Sistema est\u00e1ndar<\/td>Acero para herramientas H13<\/td>Acero para herramientas H11<\/td><\/tr>
ONU<\/td>T20813<\/td>T20811<\/td><\/tr>
DIN \/ EN<\/td>1.2344 \/ X40CrMoV5-1<\/td>1.2343 \/ X38CrMoV5-1<\/td><\/tr>
JIS<\/td>SKD61<\/td>SKD6<\/td><\/tr>
GB \/ China<\/td>4Cr5MoSiV1<\/td>Confirm by composition or H11-type specification<\/td><\/tr>
AFNOR \/ France<\/td>Z40CDV5<\/td>Z38CDV5<\/td><\/tr>
BS \/ UK<\/td>BH13<\/td>BH11<\/td><\/tr>
SS \/ Sweden<\/td>2242<\/td>-<\/td><\/tr>
UNI \/ Italy<\/td>-<\/td>X35CrMo05KU<\/td><\/tr>
ASTM<\/td>A681 H13<\/td>A681 H11<\/td><\/tr>
Aerospace AMS<\/td>-<\/td>AMS 6437 \/ 6485 \/ 6487 \/ 6488<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

The most important point is not the name itself. For tooling applications, equivalent grade names must be confirmed by chemistry and working conditions.<\/p>\n\n\n\n

H13 vs H11 Tool Steel Chemical Composition Comparison<\/h2>\n\n\n\n

The main chemical difference between H13 and H11 is the presence of vanadium. H13 contains more vanadium, which increases the formation of hard carbides and improves hot-wear resistance. H11 contains less vanadium, which helps maintain better toughness and crack resistance.<\/p>\n\n\n\n

Elemento<\/td>H11 Typical Range (%)<\/td>H13 Typical Range (%)<\/td>Practical Meaning<\/td><\/tr>
Carbono<\/td>0.33\u20130.43<\/td>0.32\u20130.45<\/td>Similar hardening base<\/td><\/tr>
Cromo<\/td>4.75\u20135.50<\/td>4.75\u20135.50<\/td>Both belong to the 5% chromium hot-work steel family<\/td><\/tr>
Molibdeno<\/td>1.10\u20131.60<\/td>1.10\u20131.75<\/td>Supports hot strength and temper resistance<\/td><\/tr>
Vanadio<\/td>0.30\u20130.60<\/td>0.80\u20131.20<\/td>H13 gains stronger carbide-supported wear resistance<\/td><\/tr>
Silicio<\/td>0.80\u20131.20<\/td>0.80\u20131.20<\/td>Supports hot-work performance and oxidation resistance<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

H13 is favored for wear resistance and hot hardness. H11 favors toughness and fracture resistance.<\/p>\n\n\n\n

Main Performance Differences Between H13 and H11<\/h2>\n\n\n\n
Performance Factor<\/td>Acero para herramientas H13<\/td>Acero para herramientas H11<\/td>Significado de la selecci\u00f3n<\/td><\/tr>
Resistencia al desgaste<\/td>M\u00e1s alto<\/td>Moderate to good<\/td>Choose H13 when surface wear controls tool life<\/td><\/tr>
Dureza en caliente<\/td>Better under sustained heat<\/td>Bien<\/td>Choose H13 when the tool must resist softening during hot contact<\/td><\/tr>
Dureza<\/td>Bien<\/td>Mejor<\/td>Choose H11 when cracking or chipping is the main risk<\/td><\/tr>
Shock resistance<\/td>Bien<\/td>Mejor<\/td>Choose H11 for impact-loaded tooling<\/td><\/tr>
Heat checking resistance<\/td>Strong in many die casting and extrusion conditions<\/td>Good, especially when crack growth is the main concern<\/td>Choose based on whether surface damage or crack propagation is more serious<\/td><\/tr>
Maquinabilidad<\/td>More difficult<\/td>Easier<\/td>H11 may reduce machining difficulty<\/td><\/tr>
Nitriding response<\/td>Excelente<\/td>Good to excellent<\/td>H13 is often preferred for severe hot-wear surfaces<\/td><\/tr>
Large-section reliability<\/td>Good with proper processing<\/td>Often safer where cracking risk is high<\/td>H11 may be considered for large or highly stressed tools<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Resistencia al desgaste y dureza en caliente<\/h3>\n\n\n\n

H13 performs better when the working surface is exposed to hot abrasion, molten metal flow, erosion, or high-friction contact. Its higher vanadium content forms harder carbides, which improve resistance to surface wear and help the steel retain hardness during hot service.<\/p>\n\n\n\n

This makes H13 a strong choice for die-casting dies, extrusion tools, hot-forming tools, and molds where surface stability governs tool life.<\/p>\n\n\n\n

Toughness and Crack Resistance<\/h3>\n\n\n\n

H11 performs better when the tool is exposed to impact, stress concentration, cyclic mechanical loading, or large-section stress. Its lower vanadium and lower carbide volume make it less sensitive to crack initiation and crack propagation.<\/p>\n\n\n\n

This makes H11 useful for hammer forging dies, hot punches, large hot-work tools, and applications where sudden fracture is more dangerous than gradual wear.<\/p>\n\n\n\n

Fatiga t\u00e9rmica y comprobaci\u00f3n de calor<\/h3>\n\n\n\n

Both steels can suffer from heat checking under repeated heating and cooling. H13 is usually preferred when the main damage starts at the surface, such as heat checking, erosion, or hot wear.<\/p>\n\n\n\n

H11 becomes more attractive when thermal stress is combined with heavy mechanical loading, because crack-growth resistance becomes more important than maximum surface wear resistance.<\/p>\n\n\n\n

High-Temperature Softening and Service Stability<\/h3>\n\n\n\n

Both steels are secondary-hardening hot-work tool steels. H13 usually retains hardness better under prolonged hot contact due to its higher alloy-carbide content. H11 is slightly less wear-oriented, but it offers better structural reliability under combined heat and mechanical stress.<\/p>\n\n\n\n

The safe operating temperature should not be treated as a fixed number. It depends on the selected tempering condition, the required hardness, the cooling practice, and the expected tool life.<\/p>\n\n\n\n

H13 vs H11 Tool Steel Application-Based Selection<\/h2>\n\n\n\n

The best choice depends on how the tool fails in production. A tool that wears out at the surface should not be selected the same way as a tool that cracks under impact.<\/p>\n\n\n\n

Application \/ Condition<\/td>Better Starting Choice<\/td>Reason<\/td><\/tr>
matrices de fundici\u00f3n de aluminio<\/td>H13<\/td>Better resistance to heat checking, molten metal erosion, and hot surface wear<\/td><\/tr>
Magnesium or brass die casting<\/td>H13<\/td>Stronger hot hardness and surface stability under thermal cycling<\/td><\/tr>
Zinc die casting<\/td>H13 or H11<\/td>H13 for surface wear, H11 where lower operating temperature and cracking risk matter<\/td><\/tr>
Die casting inserts and cores<\/td>H13 \/ ESR H13<\/td>Better surface stability, polishability, and heat-checking resistance<\/td><\/tr>
Matrices de extrusi\u00f3n en caliente<\/td>H13<\/td>Better hot wear resistance and resistance to thermal softening<\/td><\/tr>
Extrusion mandrels and dummy blocks<\/td>H13 or H11<\/td>H13 for wear, H11 for impact or stress concentration<\/td><\/tr>
Hammer forging dies<\/td>H11<\/td>Better toughness and shock resistance<\/td><\/tr>
Hot punches and hot-heading dies<\/td>H11<\/td>Better resistance to impact and cracking<\/td><\/tr>
Forging dies with severe abrasive wear<\/td>H13<\/td>Better surface wear resistance<\/td><\/tr>
Large hot-work die blocks<\/td>H11 may be considered<\/td>Section size and crack resistance become more important<\/td><\/tr>
Cuchillas de corte calientes<\/td>H11 or H13<\/td>H11 for impact, H13 for hot wear<\/td><\/tr>
Moldes de inyecci\u00f3n de pl\u00e1stico<\/td>H13<\/td>Good wear resistance, polishability, and nitriding response<\/td><\/tr>
High-stress structural components<\/td>H11<\/td>Better toughness, strength, and fatigue resistance<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

For most die casting and hot-wear tooling, H13 is the stronger starting point. Given the severe impact, large sections, and cracking risk, H11 warrants stronger consideration.<\/p>\n\n\n\n

H13 vs H11 Tool Steel Practical Manufacturing Comparison<\/h2>\n\n\n\n

H13 and H11 are similar in processing behavior, but their carbide content affects machinability, post-heat-treatment wear, and surface-treatment performance.<\/p>\n\n\n\n

Manufacturing Factor<\/td>Acero para herramientas H13<\/td>Acero para herramientas H11<\/td>Practical Meaning<\/td><\/tr>
Maquinabilidad<\/td>45\u201355% relative rating<\/td>55\u201365% relative rating<\/td>H11 is usually easier to machine<\/td><\/tr>
Distorsi\u00f3n por tratamiento t\u00e9rmico<\/td>Low when properly controlled<\/td>Low when properly controlled<\/td>Both are suitable for complex tools<\/td><\/tr>
Templado<\/td>High-temperature tempering is required<\/td>High-temperature tempering is required<\/td>Correct tempering is necessary to balance hardness and toughness<\/td><\/tr>
Decarburization risk<\/td>High if atmosphere is not controlled<\/td>High if atmosphere is not controlled<\/td>Protected heat treatment is important for both<\/td><\/tr>
Nitriding response<\/td>Excelente<\/td>Good to excellent<\/td>H13 is often preferred for severe hot-wear service<\/td><\/tr>
Weld repair<\/td>Possible but requires strict control<\/td>Possible but requires strict control<\/td>Both need preheating, slow cooling, and post-weld treatment<\/td><\/tr>
Grinding sensitivity<\/td>Sensitive to overheating<\/td>Sensitive to overheating<\/td>Poor grinding can damage the surface of either grade<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

H11 is usually easier to machine because it contains less vanadium and fewer hard carbides. H13 is harder on cutting tools, but it provides better hot-wear resistance after proper heat treatment and surface engineering.<\/p>\n\n\n\n

Both grades require careful heat treatment and atmosphere control. Decarburization can create a soft surface layer and reduce tool life. For precision dies and hot-work tooling, vacuum heat treatment or a controlled protective atmosphere is usually preferred.<\/p>\n\n\n\n

Nitriding can improve surface wear resistance in both grades. H13 is often the stronger choice when nitriding is used to enhance resistance to severe hot wear, galling, or erosion.<\/p>\n\n\n\n

Common Failure Risks When Choosing H13 or H11<\/h2>\n\n\n\n

Even a correctly selected grade can fail early if tool design, heat treatment, or surface processing is poorly controlled.<\/p>\n\n\n\n

Failure Risk<\/td>How It Happens<\/td>Selection and Process Meaning<\/td><\/tr>
Heat checking<\/td>Repeated heating and cooling create fine surface cracks<\/td>H13 is often preferred when surface thermal fatigue dominates<\/td><\/tr>
Mechanical cracking<\/td>Impact load, sharp corners, stress concentration, or excessive hardness cause fracture<\/td>H11 is safer when crack resistance is more important than wear resistance<\/td><\/tr>
Thermal softening<\/td>Service temperature approaches or exceeds the selected tempering condition<\/td>H13 usually performs better under prolonged hot exposure<\/td><\/tr>
Descarburaci\u00f3n<\/td>Poor atmosphere control during heat treatment creates a soft surface layer<\/td>Both grades require protected heat treatment<\/td><\/tr>
Grinding cracks<\/td>Excessive grinding heat damages the hardened surface<\/td>Both grades require controlled grinding<\/td><\/tr>
EDM recast layer<\/td>EDM may leave a brittle surface layer and tensile stress<\/td>Proper finishing and stress relief are important<\/td><\/tr>
Welding cracks<\/td>Air-hardening steels can crack if welded without control<\/td>Preheating, slow cooling, and post-weld treatment are required<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

For H13, the main selection mistake is using it where an impact fracture is the real failure mode. For H11, the main selection mistake is using it where severe hot wear or long-term thermal softening controls tool life.<\/p>\n\n\n\n

Final Selection Guide: Should You Choose H13 or H11?<\/h2>\n\n\n\n
Main Working Problem<\/td>Better Choice<\/td><\/tr>
Hot wear at the tool surface<\/td>H13<\/td><\/tr>
Molten metal erosion or washing<\/td>H13<\/td><\/tr>
Heat checking in die casting<\/td>H13<\/td><\/tr>
Loss of hardness under sustained hot contact<\/td>H13<\/td><\/tr>
Severe impact loading<\/td>H11<\/td><\/tr>
Cracking in large tools<\/td>H11<\/td><\/tr>
Hammer forging shock<\/td>H11<\/td><\/tr>
Stress concentration around complex geometry<\/td>H11<\/td><\/tr>
Better machinability is important<\/td>H11<\/td><\/tr>
Nitrided hot-wear surface is required<\/td>H13<\/td><\/tr>
High polishability is required<\/td>ESR H13<\/td><\/tr>
Failure mode is unclear<\/td>Review working condition before selecting<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Choose H13 when the tool mainly fights heat, wear, and surface degradation. Choose H11 when the tool mainly fights impact, cracking, and structural stress.<\/p>\n<\/div><\/div>\n\n\n\n

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Choose the Right Tool Steel with Aobo Steel<\/h2>\n\n\n\n

If your tool fails due to heat and wear, start with H13.
If failure is driven by impact and cracking, consider H11.<\/p>\n\n\n\n

\ud83d\udc49 View H13 Tool Steel Product page<\/a>
\ud83d\udc49 View H11 Tool Steel Product Page<\/a><\/p>\n\n\n\n

And you can also contact us directly via \ud83d\udce9 sales@aobosteel.com<\/a><\/p>\n<\/div><\/div>\n\n\n\n

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Preguntas frecuentes<\/h2>\n\n\n\n
What is the main difference between H13 and H11 tool steel?<\/strong>

The main difference is the balance between wear resistance and toughness. H13 contains higher vanadium, which improves carbide-supported wear resistance and hot hardness. H11 contains lower vanadium and generally provides better toughness, ductility, and crack resistance.<\/p> <\/div>

Is H13 better than H11?<\/strong>

H13 is not simply better than H11. H13 is usually better for hot wear, heat checking, surface degradation, and long-term hot hardness. H11 is usually better for impact loading, cracking risk, fracture resistance, and structural reliability.<\/p> <\/div>

Which steel is better for die casting, H13 or H11?<\/strong>

H13 is usually the better starting choice for aluminum, magnesium, and brass die casting because it offers greater resistance to heat checking, molten metal erosion, and hot-surface wear. H11 can still be considered where mechanical loading or cracking risk is more important than surface wear.<\/p> <\/div>

Which steel is better for forging dies, H13 or H11?<\/strong>

For hammer-forging dies, hot punches, and severe-impact applications, H11 is often preferred for its superior toughness and shock resistance. For forging tools where continuous hot wear or abrasive surface damage is the main failure mode, H13 may be the better choice.<\/p> <\/div>

Is H11 easier to machine than H13?<\/strong>

Yes. H11 is generally easier to machine because it contains less vanadium and has a lower volume fraction of hard carbide. This can reduce cutting tool wear and machining difficulty compared with H13.<\/p> <\/div>

Can H13 and H11 be nitrided?<\/strong>

Yes. Both steels respond well to nitriding. H13 is especially strong in nitrided hot-wear applications because it combines high surface hardness with good hot strength and core support.<\/p> <\/div>

Can H13 and H11 be welded for repair?<\/strong>

Both grades can be repaired by welding, but they are not simple steels to weld. Because they are air-hardening tool steels, welding requires strict control of preheating, cooling, filler selection, and post-weld treatment to reduce cracking risk.<\/p> <\/div>

Can Aobo Steel supply both H13 and H11 tool steel?<\/strong>

Yes. Aobo Steel supplies H13 \/ 1.2344 \/ SKD61 and H11 \/ 1.2343 \/ SKD6 tool steel for bulk B2B orders, including round bar, plate, and forged material supply.<\/p> <\/div> <\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

H13 and H11 are both 5% chromium hot-work tool steels used for dies, molds, inserts, punches, and high-temperature tooling. They have similar base alloy systems, but they are not selected for the same failure conditions. The practical difference is that H13 is usually selected when tool life is limited by hot wear, surface degradation, thermal […]<\/p>\n","protected":false},"author":1,"featured_media":14971,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","_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":"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-13560","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nH13 vs H11 Tool Steel: Aobo Steel\u2019s Final Selection Guide |Aobo Steel<\/title>\n<meta name=\"description\" content=\"H13 VS H11 tool steel? 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H11 can still be considered where mechanical loading or cracking risk is more important than surface wear.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/h13-vs-h11-tool-steel\/#faq-question-1777692277681","position":4,"url":"https:\/\/aobosteel.com\/h13-vs-h11-tool-steel\/#faq-question-1777692277681","name":"Which steel is better for forging dies, H13 or H11?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"For hammer-forging dies, hot punches, and severe-impact applications, H11 is often preferred for its superior toughness and shock resistance. For forging tools where continuous hot wear or abrasive surface damage is the main failure mode, H13 may be the better choice.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/h13-vs-h11-tool-steel\/#faq-question-1777692278394","position":5,"url":"https:\/\/aobosteel.com\/h13-vs-h11-tool-steel\/#faq-question-1777692278394","name":"Is H11 easier to machine than H13?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. H11 is generally easier to machine because it contains less vanadium and has a lower volume fraction of hard carbide. This can reduce cutting tool wear and machining difficulty compared with H13.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/h13-vs-h11-tool-steel\/#faq-question-1777692321121","position":6,"url":"https:\/\/aobosteel.com\/h13-vs-h11-tool-steel\/#faq-question-1777692321121","name":"Can H13 and H11 be nitrided?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Both steels respond well to nitriding. H13 is especially strong in nitrided hot-wear applications because it combines high surface hardness with good hot strength and core support.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/h13-vs-h11-tool-steel\/#faq-question-1777692331311","position":7,"url":"https:\/\/aobosteel.com\/h13-vs-h11-tool-steel\/#faq-question-1777692331311","name":"Can H13 and H11 be welded for repair?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Both grades can be repaired by welding, but they are not simple steels to weld. Because they are air-hardening tool steels, welding requires strict control of preheating, cooling, filler selection, and post-weld treatment to reduce cracking risk.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/h13-vs-h11-tool-steel\/#faq-question-1777692332160","position":8,"url":"https:\/\/aobosteel.com\/h13-vs-h11-tool-steel\/#faq-question-1777692332160","name":"Can Aobo Steel supply both H13 and H11 tool steel?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Aobo Steel supplies H13 \/ 1.2344 \/ SKD61 and H11 \/ 1.2343 \/ SKD6 tool steel for bulk B2B orders, including round bar, plate, and forged material supply.","inLanguage":"es"},"inLanguage":"es"}]}},"uagb_featured_image_src":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD.avif",1672,941,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD-300x169.avif",300,169,true],"medium_large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD-768x432.avif",768,432,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD-1024x576.avif",1024,576,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD-1536x864.avif",1536,864,true],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD.avif",1672,941,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD-18x10.avif",18,10,true]},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/es\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"H13 and H11 are both 5% chromium hot-work tool steels used for dies, molds, inserts, punches, and high-temperature tooling. They have similar base alloy systems, but they are not selected for the same failure conditions. The practical difference is that H13 is usually selected when tool life is limited by hot wear, surface degradation, thermal…","rttpg_featured_image_url":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD.avif",1672,941,false],"landscape":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD.avif",1672,941,false],"portraits":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD.avif",1672,941,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD-300x169.avif",300,169,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD-1024x576.avif",1024,576,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD-1536x864.avif",1536,864,true],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD.avif",1672,941,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-VS-H11-AD-18x10.avif",18,10,true]},"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/es\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"H13 and H11 are both 5% chromium hot-work tool steels used for dies, molds, inserts, punches, and high-temperature tooling. They have similar base alloy systems, but they are not selected for the same failure conditions. The practical difference is that H13 is usually selected when tool life is limited by hot wear, surface degradation, thermal…","_links":{"self":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/13560","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=13560"}],"version-history":[{"count":5,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/13560\/revisions"}],"predecessor-version":[{"id":14972,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/13560\/revisions\/14972"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/media\/14971"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/media?parent=13560"}],"curies":[{"name":"gracias","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}