DC11 steel produced by Japan’s Daido Steel Co., Ltd. is also a type of JIS SKD11. It is a general-purpose cold work die steel (air-cooled hardened steel) with long life, high wear resistance, high toughness, impact resistance, not easy to deform after heat treatment, and has a fine organizational structure. Vacuum degassing refined steel, pure inner quality
Good machinability (laser cutting performance is 20% higher than SKD1)
Good hardenability, air cooling quenching (not prone to quenching cracks)
Excellent wear resistance (can be used as a blanking die for stainless steel machining and high-hardness materials)
Good toughness
Factory status: Annealed ≤255HB
Hardening temperature ℃:
1000-1050 Air cooling or air cooling
Tempering temperature and hardness HRC:
200℃ 300℃ 400℃ 500℃ 600℃ 650℃
61HRC 58HRC 59HRC 60HRC 50HRC The hardness of the punching die is HRC58~62
The hardness of the forming roll is HRC58~63%:
C carbon: 1.40-1.60
Silicon: ≤0.40
Mn: ≤0.60
Cr: 11.00-13.00
Molybdenum: 0.80-1.20
V vanadium: 0.20-0.50 Forging (℃): 1100~900
Heat treatment (℃):
Annealing 830~880 slow cooling
Quenching (note): 1000~1050 air cooling 1020~1050 air cooling
Tempering 150~250 air cooling 500~530 air cooling Annealing hardness (HB) ≤255
Quenching and tempering hardness (HRC) ≥58
Transformation point (℃)
Ac815~875
Ar765~705
High wear-resistant air-cooled hardened cold work die steel
Link to this article：What is DC11 steel? What are the applications of DC11 steel?
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