China High quality cold work mould steel O1, 1.2510, SKS3, Find details about China round bar, Tool Steel from High quality cold work mould steel O1, 1.2510, SKS3
C | Si | Mn | Cr | W | P | S | V |
0.90-1.05 | 0.15-0.35 | 1.00-1.20 | 0.50-0.70 | 0.50-0.70 | ≤0.035 | ≤0.035 | 0.05-0.15 |
Quenching | Tempering | |||||
Heating temperature/ºC | Cooling way | Hardness (HRC) | Tempering temperature /ºC | Tempering number | Hardness (HRC) | |
Preheating | Last heating | |||||
550-650 | 800-850 | Oil Cooling | 60-65 | 150-200 | 1 | ≥60 |