D6 Tool Steel (X210 CrW12)

D6 Toolsteel is 12% chromium, cold work toolsteel with very high wear resistance and has better hardenability than D3.

Applications: Blanking dies for cutting sheets up to 2mm thick, paper & plastic blades, deep drawing tools, stands, moulds for pressing, abrasive powders, rolls.
Colour Code Stocked Sizes

Condition of Delivery
Soft annealed to max. 250 HB
Related Specifications
Germany DIN 1.2436
Chemical Composition %
Carbon 2.10
Chromium 12.0
Tungsten 0.70
Physical Properties
Thermal expansion coefficient
Thermal conductivity
Heat Treatment
Soft Annealing
Temperature 800 - 840oC 2-5hrs
Cooling furnace
Hardness max 250 HB
Stress Relief Annealing
Temperature 600 - 650oC 2 hrs
Cooling furnace
Temperature 960°C - 980oC
Cooling oil, pressure (N2)
air or hot bath
500 - 550oC

Tempering usually < 300°C
Thermal Cycle Diagram
Continuous Cooling Transformation Diagram (CCT)
Tempering Diagram
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