2379 Cold Work Tool Steel

About 2379 Cold Work Tool Steel

2379 Cold Work Tool Steel Technical Details: Minimum Order Quantity 1000 Kilogram Application Automobile Industry, Construction Hardness 57-59 HRC Soft annealing Degree C 840 - 870 Hardness HB max. 250 Cooling Furnace Quenching Air, oil or saltbath, 500-550 Degree C Thermal Conductivity at Degree C 20 - 700 2379 Cold Work Tool Steel Physical Properties Coefficient of thermal expansionat C 20-100 20-200 20-300 20-400 10-6 m/(m*K) 10.6 11.5 11.8 12.3 Thermal Conductivity at C 20 350 700 W/(m*K) 16.7 20.5 24.2 Application HCHCR D2 tool steel applicable for cold stamping or forming dies, cold forming rolls, Chipper knives, Punches, slitters, shear blades, tools, tyre shredders, trimming, cutting Threading Dies , stamping tools Etc. Heat Treatment Soft annealing C Cooling Hardness HB 840 - 870 Furnace max. 250 Stress-relief annealing C Cooling approx. 660-710 Furnace Hardening C Quenching Hardness after quenching HRC 1000-1050 Air, oil or saltbath, 500-550 C 63 Tempering C after quenching 100 200 300 400 500 525 550 600 HRC 64 61.5 58.5 58.5 59 60 57 50