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cold work D2 tool steel containing high carbon high chromium. It with strong wear resistance and hardening. Suit the production of a larger interface, complex shape, heavy working conditions a variety of Die and Tool . chemical composition C 1.40-1.60 Si 0.10-0.60 Mn 0.10-0.60 Cr 11.00-13.00 Mo 0.70-1.20 V 0.50-1.10 feature > D2 tool steel high wear resistance >D2 tool steel high compressive strength > D2 tool steel good through-hardening properties >D2 tool steel high stability in hardening >D2 tool steel good resistance to tempering-back Heat treatment Annealed(+A) max: 255HB Annealing: slow cooling at 650 ℃-850 ℃ furnace Quenching: Preheat 650 ℃ 750 ℃ increased to 1010 ℃, air-cooled, or into the 996 ℃ to keep the salt bath, then cooled. Tempering: The D2 cold work tool steel general tempering temperature is 170 ℃-190℃ , Double tempering of Double tempering of D2 tool steel is recommended. Application: D2 Tool steel apply to metal stamping die, drawing die, stainless steel sheet stamping die, die with high hardness; Lightweight materials used for cutting, thread rolling dies, drawing, pressure pads ; highly wear-resistant plastic mold. Common specifications: round: diameter. 80-600mm plate: Thickness: 40-350mm Width: 100-1000mm, length: 2M-6M Surface state: Grinded, Peeled (Centreless Turned),PolishedGround Delivery condition: annealed