OEM No/Model: 1.2510
Performance Characteristics:
Vacuum deairing with fine steel, it is easy for cutting after quenching ,high hardness, good abrasion resistance ,dimension stability and minimal distortion.
Applications:
It is suitable for cutting tools, such as broach, filament hammer and gauge and complex shape of cold mould, plastic mould, precise screw, etc.
Chemical Composition (%):
C | Si | Mn | W | Ni | Cr | Cu | S | P |
0.85~0.95 | 0.40 | 0.90~1.20 | 0.70~1.20 | 0.25 | 0.50~0.80 | 0.30 | 0.030 | 0.030 |
Heat Treatment Standard:
Quenching, 800 ~ 830 centigrade cold oil.
Forging:
Oil quenching cold die has crack sensitivity,so it should not be quickly heated,it had better for a preheating in 650-750 centigrade .The temperature of forging is 1130-1150 centigrade, eventually temperature should be more than 800-850 centigrade, steel ingot take upper limit temperature.while blank forging take lower temperature.
Delivery condition:
Annealed
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