Specially: High carbon chromium, high harden ability ,high wear resistance. Good inoxidability, small deformation when heat treat, good anti-corrosion ability after quench and polishing.
Use: It is mainly used to produce various kinds of high accuracy, long life cold-die steel , cutting tools and measuring tool, especially the complicated piercing die, cold press die and screw plate.
Heat treatment:
Quench : 980-1040℃ oil cooling or air cooling. HRC62-64
Back fire : relieving stress, stable structure.
Temperature 180-200℃ 250℃ 300℃ 450℃
HRC 62-63 62 61 59
Dimension:
Round :diameter50-300mm
Flat :thickness20-200mm*width60-500mm
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