{"id":12328,"date":"2026-01-21T14:54:49","date_gmt":"2026-01-21T06:54:49","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=12328"},"modified":"2026-01-29T08:38:00","modified_gmt":"2026-01-29T00:38:00","slug":"selection-of-tool-steel-for-stamping-dies","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/selection-of-tool-steel-for-stamping-dies\/","title":{"rendered":"Selecci\u00f3n de acero para herramientas para matrices de estampaci\u00f3n"},"content":{"rendered":"\n
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Aobo Steel | Global Tool Steel Supplier in China<\/h4><\/div>\n\n\n\n

Technical Solutions for Stamping Die Steel Selection<\/h2><\/div>\n\n\n\n
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Stamping dies operate under conditions of high-speed impact, high pressure, and abrasive wear. Friction between the punch and die bushings and the sheet metal generates heat, readily causing galling, chipping, or plastic deformation. Selecting tool steels such as D2<\/a>, DC53<\/a>, or SKH51 (M2)<\/a> can extend die life while reducing downtime and per-unit production costs.<\/p>\n\n\n\n

Explore Our Stamping Die Steel Solutions<\/h2>\n\n\n\n
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Blanking and Piercing Dies<\/h3>

During blanking and piercing operations, the fracture of the processed material generates high transient penetration forces and impact loads. The die failure manifests as abrasive wear in the cutting zone and chipping of the punch edge due to impact. Selecting cold-work steels with balanced strength and toughness, such as D2 or M2, preserves edge sharpness under cyclic loading.<\/p><\/div>

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Fine Blanking Dies<\/h3>

Fine blanking employs a three-directional force system: blanking force, V-ring pressure, and counterpressure. The die clearance is approximately 1% of the sheet thickness (t). High hydrostatic pressure conditions readily induce adhesive wear and galling in the dies. The steel must have high compressive yield strength and resistance to cold welding, and is commonly selected as high-speed steel or coated cemented carbide.<\/p><\/div>

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Progressive Dies<\/h3>

The high-stroke sequence for progressive dies is: punching, bending, and forming operations. Heat accumulation and cyclic stress readily cause die softening or fatigue cracking, requiring tool steel with high fatigue strength and resistance to tempering. Selecting D2 tool steel or powder metallurgy (PM) steel ensures dimensional consistency of products under millions of strokes.<\/p><\/div>

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Compound Dies<\/h3>

Compound dies perform blanking, punching, and other shearing operations in a single stroke, achieving high concentricity and flatness in stamped parts. Parts are ejected by an ejector mechanism, requiring the die to withstand jamming and wear caused by ejection friction. Tool steel must possess dimensional stability during heat treatment to ensure precise alignment between the punch and die.<\/p><\/div>

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Trimming Dies<\/h3>

Trimming dies are used to remove flash and excess material from parts, with contact surfaces typically featuring irregular shapes. The cutting edges endure combined shear and bending stresses, particularly during trimming of thick-walled forgings and castings. The dies require high toughness to prevent chipping, coupled with sufficient hardness to delay edge dulling.<\/p><\/div>

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Guide to Selecting Tool and Die Steel<\/h2>\n\n\n\n

The selection of tool steel depends on plate thickness and material properties, requiring a balance between wear resistance and toughness.<\/p>\n\n\n\n

1. Plate Thickness<\/h3>\n\n\n\n

Thin Plates (< 1.57 mm): Failure manifests as abrasive wear at the cutting edge. Select high-carbon, high-chromium steels like D2 or SKD11, which offer high wear resistance.<\/p>\n\n\n\n

Thick plates (> 4-6 mm): As plate thickness increases, both instantaneous penetration force and lateral thrust rise, heightening the risk of chipping and fracture. Toughness takes precedence over wear resistance. DC53 or high-speed steel offers superior toughness compared to D2, mitigating early failure.<\/p>\n\n\n\n

2. Material<\/h3>\n\n\n\n

Carbon Steel: Common grades like AISI 1010 exhibit low abrasiveness. D2 is often selected for long-cycle production to balance cost and service life.<\/p>\n\n\n\n

Stainless Steel and Advanced High-Strength Steel (AHSS): Austenitic stainless steels (e.g., 304) and AHSS exhibit significant work hardening and high shear strength, making them prone to galling. Select M2 (SKH51) or DC53. M2’s red hardness and compressive strength resist high contact pressures; coated D2 or 8% Cr grades resist galling failure.<\/p>\n\n\n\n

Performance Comparison Table<\/h2>\n\n\n\n
Grade<\/td>Typical Hardness (HRC)<\/td>Wear Resistance<\/td>Toughness<\/td>Stability<\/td><\/tr>
D2 \/ SKD11<\/td>58 \u2013 62<\/td>High<\/td>Low (Prone to chipping)<\/td>High<\/td><\/tr>
DC53 (8% Cr)<\/td>60 \u2013 64<\/td>High (Excellent adhesive wear resistance)<\/td>High (Finer carbide distribution than D2)<\/td>High<\/td><\/tr>
M2 \/ SKH51<\/td>62 \u2013 65<\/td>Very High (MC + M6<\/sub>C carbides)<\/td>Moderate\/Good (Better than D2)<\/td>Very High<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

FAQ<\/h2>\n\n\n\n
What factors determine tool steel selection for stamping dies?<\/strong>

Selection depends primarily on plate thickness and material properties, requiring a balance between wear resistance and toughness. Choosing D2, DC53, or SKH51 (M2) can extend die life and reduce production costs.<\/p> <\/div>

Which tool steel is best for stamping thin plates?<\/strong>

For thin plates (< 1.57 mm), failure typically manifests as abrasive wear at the cutting edge. Select high-carbon, high-chromium steels like D2 or SKD11, which provide the necessary high wear resistance.<\/p> <\/div>

What is the best steel for stamping thick metal plates?<\/strong>

For thick plates (> 4-6 mm), prioritize toughness over wear resistance to mitigate chipping and fracture caused by lateral thrust. DC53 or high-speed steel is recommended for superior toughness compared to D2.<\/p> <\/div>

Which tool steel should I use for stamping stainless steel?<\/strong>

Stainless steel is prone to galling and work hardening, so it is best used with steels like M2 (SKH51) or DC53. M2 offers red hardness and compressive strength, while DC53 and coated D2 resist galling failure.<\/p> <\/div>

What is the difference between D2 and DC53 steel for dies?<\/strong>

D2 offers high wear resistance but is prone to chipping due to low toughness. DC53 offers high wear resistance (especially against adhesive wear) and high toughness, thanks to a finer carbide distribution.<\/p> <\/div>

What steel is recommended for progressive dies?<\/strong>

Progressive dies require materials with high fatigue strength and resistance to tempering to handle heat accumulation. D2 tool steel or powder metallurgy (PM) steel is selected to ensure dimensional consistency under millions of strokes.<\/p> <\/div>

How to select steel for fine blanking dies?<\/strong>

Fine blanking involves high hydrostatic pressure, requiring steel with high compressive yield strength and resistance to cold welding. Common selections include high-speed steel or coated cemented carbide.<\/p> <\/div>

What properties are needed for trimming die steel?<\/strong>

Trimming dies require high toughness to prevent chipping under combined shear and bending stresses. However, they must also possess sufficient hardness to delay edge dulling while removing flash and excess material.<\/p> <\/div> <\/div>\n\n\n\n