{"id":9535,"date":"2025-08-05T14:31:06","date_gmt":"2025-08-05T06:31:06","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9535"},"modified":"2026-05-13T09:33:17","modified_gmt":"2026-05-13T01:33:17","slug":"selection-of-steels-for-coining-dies","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/selection-of-steels-for-coining-dies\/","title":{"rendered":"Best Tool Steel for Coining Dies | D2, A2, S7, H13 Guide"},"content":{"rendered":"
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The Best Tool Steel for Coining Dies Depends on the Failure Mode<\/h1>\n\n\n\n

Precision coining dies work under extremely high compressive load. The workpiece material is fully constrained inside the die cavity, so the die must force material flow into fine details such as sharp edges, small cavities, textures, and decorative patterns.<\/p>\n\n\n\n

For this type of tooling, material selection cannot be based only on hardness or general strength. The selected tool steel must match the main failure risk: wear, plastic deformation, cracking, chipping, or heat-treatment distortion.<\/p>\n\n\n\n

A steel with excellent wear resistance may crack if the die has sharp details or poor support. A tougher steel may survive impact better, but it may wear or deform too quickly in long production runs. The correct choice depends on which failure mode controls the tool life.<\/p>\n\n\n\n

Quick Material Selection of Coining Dies Table<\/h2>\n\n\n\n
Condition \/ Requirement<\/strong><\/td>A\u00e7o ferramenta recomendado<\/strong><\/td>Main Reason<\/strong><\/td><\/tr>
Short runs, shallow design, reusable dies<\/td>W1, W2, O1(1.2510\/SKS3)<\/a><\/td>Easy to machine, rework, and maintain<\/td><\/tr>
Medium runs with better size control<\/td>A2 (1.2363\/SKD12)<\/a><\/td>Better dimensional stability than oil-hardening grades<\/td><\/tr>
Long runs with high wear and pressure<\/td>D2(1.2379\/SKD11)<\/a>, D3(D1.2080\/SKD1)<\/a>, D4<\/td>High carbide content provides strong wear resistance and compressive strength<\/td><\/tr>
Deep designs, sharp details, cracking risk<\/td>S1(1.2550\/SKS41)<\/a>, S7(1.2355)<\/a>, L6(1.2714\/SKT4)<\/a><\/td>Higher toughness reduces chipping and fracture<\/td><\/tr>
Thin sections, grooves, weak support<\/td>H11(1.2343\/SKD6)<\/a>, H12, H13(1.2344\/SKD61)<\/a><\/td>Better toughness helps prevent splitting under stress concentration<\/td><\/tr>
Extreme production demand<\/td>PM tool steels, carbide inserts<\/td>Higher wear resistance with better structural support when properly designed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
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Need Help Selecting Tool Steel for Your Coining Die?<\/a><\/div>\n<\/div>\n\n\n\n

Why Precision Coining Dies Fail<\/h2>\n\n\n\n

Precision coining die failure usually comes from four main causes: surface wear, plastic deformation, cracking, and dimensional instability. Each failure mode points to a different direction for material selection.<\/p>\n\n\n\n

1. Wear and Loss of Detail<\/h3>\n\n\n\n

Wear occurs when repeated high-pressure contact gradually damages the die surface. In precision coining, this leads to loss of fine detail, rounded edges, poor surface reproduction, and reduced dimensional accuracy.<\/p>\n\n\n\n

If wear is the main failure mode, the die steel needs higher hardness, stronger carbide support, and better abrasion resistance. D2, D3, D4, PM tool steels, or carbide inserts are usually more suitable than low-alloy tough steels.<\/p>\n\n\n\n

2. Plastic Deformation and Sinking<\/h3>\n\n\n\n

Plastic deformation occurs when the die surface cannot resist the applied compressive load. The surface begins to sink, enlarge, or lose its original geometry.<\/p>\n\n\n\n

This problem is common when the pressure is high, the contact area is large, or the die material is not hard enough after heat treatment. In this case, the selection should move toward steels with higher hardness and compressive strength, such as D2, D3, or suitable PM grades.<\/p>\n\n\n\n

3. Cracking, Chipping, and Splitting<\/h3>\n\n\n\n

Cracking is often caused by stress concentration combined with insufficient toughness. Sharp corners, deep impressions, thin ribs, and poorly supported sections can create local stress peaks. Under repeated loading, cracks may initiate in these areas and progress to chipping or complete fracture.<\/p>\n\n\n\n

If cracking is the main failure mode, high-wear steels such as D2 or D3 may not be the safest choice. Tougher grades such as S-series steels, L6, H11, H12, or H13 may offer a longer service life, even though their wear resistance is lower.<\/p>\n\n\n\n

4. Heat-Treatment Distortion<\/h3>\n\n\n\n

Precision coining dies often require tight dimensional control. If the die changes size or shape during hardening, even a small distortion can make the die unusable.<\/p>\n\n\n\n

For larger dies, complex shapes, or high-accuracy tooling, air-hardening steels such as A2 or A6 are often preferred because they provide better dimensional stability than water-hardening or oil-hardening grades.<\/p>\n\n\n\n

Selection Tool Steel of Coining Dies by Production Condition<\/h2>\n\n\n\n

The correct material depends on production volume, workpiece material, die geometry, and manufacturing requirements. These factors decide whether wear resistance, toughness, compressive strength, or dimensional stability should be prioritized.<\/p>\n\n\n\n

1. Selection by Production Volume<\/h3>\n\n\n\n
Production Condition<\/strong><\/td>Better Choice<\/strong><\/td>Reason<\/strong><\/td><\/tr>
Short run, simple details<\/td>W1, W2, O1<\/td>Low cost and easy rework are more important than maximum wear resistance<\/td><\/tr>
Medium run<\/td>A2<\/td>Better balance of wear resistance and dimensional stability<\/td><\/tr>
Long run<\/td>D2, D3, D4<\/td>Better resistance to wear and surface pressure<\/td><\/tr>
Very high-volume production<\/td>PM steels, carbide inserts<\/td>Maximum wear resistance and longer tool life when properly supported<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

2. Selection by Workpiece Material<\/h3>\n\n\n\n
Material da pe\u00e7a de trabalho<\/strong><\/td>Better Choice<\/strong><\/td>Reason<\/strong><\/td><\/tr>
Soft metals such as aluminum, copper, and precious metals<\/td>W1, O1<\/td>Wear demand is moderate, and easy rework is valuable<\/td><\/tr>
Low-carbon steel<\/td>O1, A2, D2<\/td>Selection depends on production volume and die geometry<\/td><\/tr>
Stainless steel or high-strength alloys<\/td>S-series, L6, H-series<\/td>Higher toughness helps reduce cracking risk under severe loading<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

3. Selection by Die Geometry<\/h3>\n\n\n\n
Die Geometry<\/strong><\/td>Better Choice<\/strong><\/td>Reason<\/strong><\/td><\/tr>
Shallow and simple design<\/td>W1, O1<\/td>Low stress concentration<\/td><\/tr>
Deep cavity or sharp detail<\/td>S-series, L6, H-series<\/td>Higher toughness reduces cracking risk<\/td><\/tr>
Thin sections or weak support<\/td>H11, H13<\/td>Better fracture resistance under localized stress<\/td><\/tr>
High-detail decorative surface<\/td>Clean 52100, selected clean tool steels<\/td>Cleaner structure helps improve surface quality<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

When NOT to Use Certain Tool Steels<\/h2>\n\n\n\n

1. Do Not Use High-Wear Steels When Cracking Controls the Failure<\/h3>\n\n\n\n

D2, D3, and D4 are strong choices when wear resistance and compressive strength are the main requirements. However, they are not ideal when the die has deep cavities, sharp details, thin unsupported sections, or repeated shock loading.<\/p>\n\n\n\n

Their high carbide content improves wear resistance but reduces toughness. In cracking-sensitive dies, these carbides can serve as sites of crack initiation. If the die repeatedly chips, splits, or fractures, the selection should move toward tougher grades such as S-series steels, L6, H11, H12, or H13.<\/p>\n\n\n\n

2. Do Not Use Tough Low-Alloy Steels When Wear or Sinking Controls the Failure<\/h3>\n\n\n\n

Tough steels are useful when cracking is the main risk, but they may not provide enough wear resistance or compressive strength for long production runs.<\/p>\n\n\n\n

If the die loses detail, wears rapidly, or sinks under pressure, toughness alone will not solve the problem. In this case, higher-hardness and higher-carbide steels such as D2, D3, D4, PM tool steels, or carbide inserts are more suitable.<\/p>\n\n\n\n

3. Do Not Rely on One Steel When Wear Resistance and Toughness Are Both Required<\/h3>\n\n\n\n

Some precision coining applications require both high wear resistance and high fracture resistance. A single steel may not satisfy both requirements.<\/p>\n\n\n\n

In these cases, a structural solution is often better. A wear-resistant insert made from D2, PM steel, or carbide can be supported by a tougher holder made from H11, H13, or L6. This allows the working surface to resist wear while the supporting structure reduces the risk of fracture.<\/p>\n\n\n\n

Surface treatments or coatings may also be used when a tough steel needs better surface wear resistance, but the base steel must still have enough strength and stability for the application.<\/p>\n\n\n\n

Practical Selection Logic<\/h2>\n\n\n\n

If the die fails by wear or loss of detail, choose a steel with higher hardness, stronger carbide support, and better abrasion resistance. D2, D3, D4, PM tool steels, or carbide inserts are usually suitable.<\/p>\n\n\n\n

If the die fails due to plastic deformation or sinking, the material lacks sufficient compressive strength to withstand the applied pressure. The solution is to increase hardness or move to steels such as D2, D3, or suitable PM grades.<\/p>\n\n\n\n

If the die fails by cracking, chipping, or splitting, the material is too brittle for the geometry or loading condition. Tougher steels such as A2, S-series steels, L6, H11, H12, or H13 should be considered.<\/p>\n\n\n\n

If the die cannot maintain dimensional accuracy after heat treatment, dimensional stability becomes the priority. A2 or A6 may be better than water-hardening or oil-hardening grades.<\/p>\n\n\n\n

If the die requires both high wear resistance and high toughness, do not depend only on material grade selection. Use insert design, proper support, and suitable heat treatment to control both surface wear and fracture risk.<\/p>\n\n\n\n

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Still not sure which tool steel is right for your coining die? Contact Us Now!<\/a><\/div>\n<\/div>\n\n\n\n

Perguntas frequentes<\/h2>\n\n\n\n
What is the most important factor when selecting tool steel for precision coining dies?<\/strong>

The key factor is not hardness alone, but the dominant failure mode. Tool steel must be selected based on whether the die fails by wear, deformation, cracking, or distortion.<\/p> <\/div>

Which tool steel is best for long production runs?<\/strong>

For long runs with high wear and pressure, D2, D3, and D4 are typically preferred due to their high carbide content and strong wear resistance.<\/p> <\/div>

Why do precision coining dies crack even when using high-strength steels?<\/strong>

Cracking is usually caused by stress concentration and insufficient toughness, not lack of strength. High-wear steels like D2 and D3 are brittle and may fail in dies with sharp details or weak support.<\/p> <\/div>

Quando devo escolher o a\u00e7o ferramenta A2?<\/strong>

A2 is suitable when dimensional stability during heat treatment is critical, especially for medium production runs and precision dies that cannot tolerate distortion.<\/p> <\/div>

Why does my die lose detail or become rounded over time?<\/strong>

This is caused by surface wear. The solution is to switch to steels with higher hardness and carbide content, such as D2, D3, or PM tool steels.<\/p> <\/div>

What causes plastic deformation (sinking) in coining dies?<\/strong>

Plastic deformation occurs when the material lacks sufficient compressive strength. Increasing hardness or selecting higher-strength steels, such as D2 or PM grades, is required.<\/p> <\/div>

Which steels are better for dies with sharp edges or deep cavities?<\/strong>

For high-stress-concentration areas, use\u00a0tougher steels\u00a0such as S-series, L6, or H11\/H13 to reduce the risk of cracking and chipping.<\/p> <\/div>

Can a single steel meet both wear-resistance and toughness requirements?<\/strong>

In many cases, no. When both are required, a combined design approach is better, such as:
Wear-resistant insert (D2, PM steel, carbide)
Tough backing material (H11, H13, L6)<\/p> <\/div>

When should I avoid using D2 or D3?<\/strong>

The die has thin sections or sharp features
The failure mode is cracking or chipping
The application involves shock loading<\/p> <\/div>

When should I avoid using low-alloy tough steels like O1 or W1?<\/strong>

Production volume is high
Wear or deformation is the main issue
They lack sufficient wear resistance and compressive strength.<\/p> <\/div>

How does workpiece material affect tool steel selection?<\/strong>

Soft metals \u2192 O1, W1 are sufficient
Low-carbon steel \u2192 O1, A2, D2 depending on volume
Stainless or high-strength alloys \u2192 S-series, H-series for toughness<\/p> <\/div>

Why does heat treatment distortion matter in coining dies?<\/strong>

Even small dimensional changes can make precision dies unusable.
For tight-tolerance tools,\u00a0air-hardening steels (A2, A6)\u00a0are preferred for their greater stability.<\/p> <\/div>

What is the best solution for very high production demand?<\/strong>

Use PM tool steels or carbide inserts, often combined with a structural support system for durability.<\/p> <\/div>

Is hardness always the priority in coining die selection?<\/strong>

No. Hardness improves wear resistance, but excessive hardness reduces toughness.
Selection must balance wear resistance, toughness, and compressive strength.<\/p> <\/div>

What is the practical approach to selecting coining dies?<\/strong>

Wear \u2192 increase hardness and carbide content
Deformation \u2192 increase compressive strength
Cracking \u2192 increase toughness
Distortion \u2192 improve dimensional stability<\/p> <\/div> <\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

The Best Tool Steel for Coining Dies Depends on the Failure Mode Precision coining dies work under extremely high compressive load. The workpiece material is fully constrained inside the die cavity, so the die must force material flow into fine details such as sharp edges, small cavities, textures, and decorative patterns. For this type of […]<\/p>\n","protected":false},"author":1,"featured_media":15285,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"landing-page","_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-9535","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nBest Tool Steel for Coining Dies | D2, A2, S7, H13 Guide<\/title>\n<meta name=\"description\" content=\"Aobo Steel explains how to choose the right tool steel based on failure mode. 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Tool steel must be selected based on whether the die fails by wear, deformation, cracking, or distortion.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433290025","position":2,"url":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433290025","name":"Which tool steel is best for long production runs?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"For long runs with high wear and pressure, D2, D3, and D4 are typically preferred due to their high carbide content and strong wear resistance.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433290726","position":3,"url":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433290726","name":"Why do precision coining dies crack even when using high-strength steels?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Cracking is usually caused by stress concentration and insufficient toughness, not lack of strength. High-wear steels like D2 and D3 are brittle and may fail in dies with sharp details or weak support.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433291303","position":4,"url":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433291303","name":"Quando devo escolher o a\u00e7o ferramenta A2?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A2 is suitable when dimensional stability during heat treatment is critical, especially for medium production runs and precision dies that cannot tolerate distortion.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433292039","position":5,"url":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433292039","name":"Why does my die lose detail or become rounded over time?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"This is caused by surface wear. The solution is to switch to steels with higher hardness and carbide content, such as D2, D3, or PM tool steels.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433335719","position":6,"url":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433335719","name":"What causes plastic deformation (sinking) in coining dies?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Plastic deformation occurs when the material lacks sufficient compressive strength. Increasing hardness or selecting higher-strength steels, such as D2 or PM grades, is required.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433336889","position":7,"url":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433336889","name":"Which steels are better for dies with sharp edges or deep cavities?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"For high-stress-concentration areas, use\u00a0tougher steels\u00a0such as S-series, L6, or H11\/H13 to reduce the risk of cracking and chipping.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433354128","position":8,"url":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433354128","name":"Can a single steel meet both wear-resistance and toughness requirements?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"In many cases, no. When both are required, a combined design approach is better, such as:<br>Wear-resistant insert (D2, PM steel, carbide)<br>Tough backing material (H11, H13, L6)","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433354943","position":9,"url":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433354943","name":"When should I avoid using D2 or D3?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The die has thin sections or sharp features<br>The failure mode is cracking or chipping<br>The application involves shock loading","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433378925","position":10,"url":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433378925","name":"When should I avoid using low-alloy tough steels like O1 or W1?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Production volume is high<br>Wear or deformation is the main issue<br>They lack sufficient wear resistance and compressive strength.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433391974","position":11,"url":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433391974","name":"How does workpiece material affect tool steel selection?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Soft metals \u2192 O1, W1 are sufficient<br>Low-carbon steel \u2192 O1, A2, D2 depending on volume<br>Stainless or high-strength alloys \u2192 S-series, H-series for toughness","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433417137","position":12,"url":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433417137","name":"Why does heat treatment distortion matter in coining dies?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Even small dimensional changes can make precision dies unusable.<br>For tight-tolerance tools,\u00a0air-hardening steels (A2, A6)\u00a0are preferred for their greater stability.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433428882","position":13,"url":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433428882","name":"What is the best solution for very high production demand?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Use PM tool steels or carbide inserts, often combined with a structural support system for durability.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433429768","position":14,"url":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433429768","name":"Is hardness always the priority in coining die selection?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No. Hardness improves wear resistance, but excessive hardness reduces toughness.<br>Selection must balance wear resistance, toughness, and compressive strength.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433430854","position":15,"url":"https:\/\/aobosteel.com\/selection-of-steels-for-coining-dies\/#faq-question-1777433430854","name":"What is the practical approach to selecting coining dies?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Wear \u2192 increase hardness and carbide content<br>Deformation \u2192 increase compressive strength<br>Cracking \u2192 increase toughness<br>Distortion \u2192 improve dimensional stability","inLanguage":"pt-BR"},"inLanguage":"pt-BR"}]}},"uagb_featured_image_src":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad-300x300.avif",300,300,true],"medium_large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad-768x768.avif",768,768,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad-12x12.avif",12,12,true]},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"The Best Tool Steel for Coining Dies Depends on the Failure Mode Precision coining dies work under extremely high compressive load. The workpiece material is fully constrained inside the die cavity, so the die must force material flow into fine details such as sharp edges, small cavities, textures, and decorative patterns. For this type of…","rttpg_featured_image_url":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad.avif",1254,1254,false],"landscape":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad.avif",1254,1254,false],"portraits":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad-300x300.avif",300,300,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/coining-die-ad-12x12.avif",12,12,true]},"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"The Best Tool Steel for Coining Dies Depends on the Failure Mode Precision coining dies work under extremely high compressive load. The workpiece material is fully constrained inside the die cavity, so the die must force material flow into fine details such as sharp edges, small cavities, textures, and decorative patterns. For this type of…","_links":{"self":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/9535","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/comments?post=9535"}],"version-history":[{"count":0,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/9535\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/media\/15285"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/media?parent=9535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}