Similar Grades: DIN1.2379, D2, SKD11, Cr12MoV   Shape: Round, Flat, Square   Size Range: Diameter Thickness Width Length Round 80-600mm - - - Flat - 40-350mm 100-1000mm 2m-6m     Steel-making Condition: EF, EF/EAF+LF+VD, EF/EAF+ESR  Delivery condition: Annealed, Quenched+tempered Surface state: Black, Peeled, Rough turned, Ground, Grinded. Feature tool steel high wear resistance  tool steel high compressive strength  tool steel good through-hardening properties  tool steel high stability in hardening  tool steel good resistance to tempering-back   Chemical Composition: C Si Mn Cr Mo V 1.40-1.60 0.10-0.60 0.10-0.60 11.00-13.00 0.70-1.20 0.50-1.10   Standard: ASTM A681-2008 Heat treatment: Annealed(+A) max: 255HB Annealing: slow cooling at 650ºC-850ºCfurnace Quenching: Preheat 650ºC~750ºC increased to 1010ºC, air-cooled,  or into the 996ºC to keep the salt bath, then cooled. Tempering: The cold work  tool steel general tempering temperature is 170ºC-190ºC , Double tempering of Double tempering of DIN1.2379 tool steel is recommended. Application: DIN1.2379Tool 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. Product Description Cold work 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 .