{"id":12299,"date":"2026-01-19T15:21:04","date_gmt":"2026-01-19T07:21:04","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=12299"},"modified":"2026-04-02T14:20:12","modified_gmt":"2026-04-02T06:20:12","slug":"selection-of-tool-steel-for-compound-dies","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/selection-of-tool-steel-for-compound-dies\/","title":{"rendered":"Compound Die Tool Steel Selection | D2 A2 S7 Supplier | Aobo Steel"},"content":{"rendered":"
\n

Selection of Tool Steel for Compound Dies<\/h1>\n\n\n\n

In metal fabrication, a compound die performs multiple cutting operations\u2014typically blanking and piercing\u2014in a single press stroke at one station. Because cutting and slug discharge occur simultaneously, wear is concentrated at cutting edges and along the material flow path, making edge durability the dominant factor in tool life.<\/p>\n\n\n\n

These dies operate under cold-working conditions (generally below 200\u00b0C), where failure is driven by mechanical load rather than thermal effects. Tool life is primarily governed by abrasive wear from inclusions or scale and adhesive wear (galling) from metal-to-metal contact. As a result, material selection should focus on edge retention and resistance to chipping, rather than hot hardness or thermal fatigue.<\/p>\n\n\n\n

Factores de selecci\u00f3n<\/h2>\n\n\n\n

Material selection for compound dies should be guided by the dominant failure mode rather than by general property rankings.<\/p>\n\n\n\n

Wear resistance versus toughness defines the primary trade-off. High wear resistance, achieved through high hardness and carbide content, is required to maintain sharp edges in long production runs. However, increased carbide volume reduces toughness, raising the risk of edge chipping or cracking. This balance must be adjusted based on material thickness and edge geometry: thicker sections and complex punches shift the requirement toward toughness, while thin, high-volume stamping favors wear resistance.<\/p>\n\n\n\n

Dimensional stability during heat treatment is a practical constraint. Compound dies rely on tight clearances, and distortion directly affects cutting accuracy and tool life. Air-hardening steels are generally preferred because they reduce quenching stress and minimize dimensional change compared to oil-hardening grades.<\/p>\n\n\n\n

Working hardness typically ranges from 56 to 62 HRC. At lower hardness, edges deform under load; at higher hardness, brittle failure becomes more likely. The optimal hardness depends on whether the dominant failure mode is wear or chipping.<\/p>\n\n\n\n

Aceros para herramientas recomendados<\/h2>\n\n\n\n
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AISI D2 Tool Steel |1.2379 | SKD11<\/h3>\n\n\n\n


D2 is selected when wear is the primary limiting factor. Its high chromium carbide content provides strong resistance to abrasive wear and edge rounding, making it suitable for long production runs. Its lower toughness limits its use in thick-section cutting or fragile geometries where chipping is likely.<\/p>\n\n\n\n

Typical hardness: 58\u201362 HRC.
Best suited for high-volume production where edge wear dominates.<\/p>\n\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n\n
Ver detalles de suministro de material D2<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
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AISI A2 Tool Steel | 1.2363 | SKD12<\/h3>\n\n\n\n

A2 provides a balanced combination of wear resistance and toughness. Compared to D2, it offers better resistance to chipping while maintaining adequate wear performance. It is commonly used when both wear and fracture risks are present.<\/p>\n\n\n\n

Typical hardness: 57\u201360 HRC.
Best suited for general-purpose compound dies with moderate-to-high production volumes.<\/p>\n\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n\n
View A2 Material Supply Details<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
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Proveedor de acero para herramientas AISI S7 | DIN 1.2355<\/h3>\n\n\n\n

S7 is used when fracture is the primary failure mode. Its high impact toughness reduces the risk of catastrophic cracking in thick materials or fragile punch sections. However, its lower wear resistance results in faster edge wear.<\/p>\n\n\n\n

Typical hardness: 54\u201358 HRC.
Best suited for heavy-gauge materials and high-impact conditions.<\/p>\n\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n\n
Ver detalles de suministro de material S7<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
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Acero para herramientas AISI O1 | 1.2510 | SKS3<\/h3>\n\n\n\n

O1 is used where cost control is more important than maximum tool life. It provides acceptable hardness and edge retention for simpler applications, but its lower wear resistance and higher risk of distortion limit its use in precision or high-volume dies.<\/p>\n\n\n\n

Typical hardness: 58\u201360 HRC.
Best suited for short runs and low-complexity tooling.<\/p>\n\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n\n
Ver detalles de suministro de material S7<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n

Tabla resumen<\/h2>\n\n\n\n
Grado de acero para herramientas<\/td>Primary Attributes<\/td>Dureza t\u00edpica<\/td>Best Application<\/td><\/tr>
AISI D2<\/td>High wear resistance; high carbide content<\/td>58\u201362 HRC<\/td>High-volume production<\/td><\/tr>
AISI A2<\/td>Resistencia al desgaste y tenacidad equilibradas.<\/td>57\u201360 HRC<\/td>General-purpose dies<\/td><\/tr>
AISI O1<\/td>Economical; moderate performance<\/td>58\u201360 HRC<\/td>Short runs; simple tools<\/td><\/tr>
AISI S7<\/td>High impact resistance<\/td>54\u201358 HRC<\/td>Thick materials; high shock<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

Selection of Tool Steel for Compound Dies In metal fabrication, a compound die performs multiple cutting operations\u2014typically blanking and piercing\u2014in a single press stroke at one station. Because cutting and slug discharge occur simultaneously, wear is concentrated at cutting edges and along the material flow path, making edge durability the dominant factor in tool life. […]<\/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":"","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-12299","page","type-page","status-publish","hentry"],"yoast_head":"\nCompound Die Tool Steel Selection | D2 A2 S7 Supplier | Aobo Steel<\/title>\n<meta name=\"description\" content=\"Learn how to select tool steel for compound dies based on wear vs chipping failure. 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