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Tool Steel D2

Tool Steel D2 is a high-carbon, high-chromium cold-work die steel with excellent wear resistance and edge retention. It offers good dimensional stability during heat treatment and is semi-stainless with approximately 12% chromium.

Machinability

27/100

Tolerance

±0.01 mm

Category

Tool Steel

Material Properties

PropertyValue
Tensile Strength862 MPa (125 ksi)
Yield Strength690 MPa (100 ksi)
Hardness58-62 HRC
Density7.70 g/cm³
Machinability Rating27/100
Thermal Conductivity20.0 W/m·K
Melting Point1,421 °C
Tolerance±0.01 mm

Common Grades

D2AISI D2SKD111.2379

Advantages

  • Excellent wear resistance
  • Good edge retention
  • Semi-stainless
  • Good dimensional stability

Limitations

  • Difficult to machine when hardened
  • Low toughness
  • Not weldable
  • Requires grinding after hardening

Common Applications

Stamping dies

Blanking punches

Forming rolls

Knives

Slitters

Gauges

Industries Served

Tooling & Die MakingAutomotiveIndustrial Machinery

Available Surface Finishes

Black OxideNitridePVD CoatingPolished

Material Comparisons

Tool Steel D2 vs A2: Which Die Steel for Your Application?

View Comparison →

Related Materials

Tool Steel H13

Machinability: 38/100

View Details →

Tool Steel A2

Machinability: 40/100

View Details →

Tool Steel S7

Machinability: 42/100

View Details →

Core CNC Services for Tool Steel D2

CNC MillingView service →CNC TurningView service →5-Axis CNCView service →Wire EDMView service →Surface FinishingView service →Rapid PrototypingView service →

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