China DC53 Standard Cold Work Tool Steel Die Steel Mould Steel Alloy Steel, Find details about China steel bar, Flat Bar from DC53 Standard Cold Work Tool Steel Die Steel Mould Steel Alloy Steel
Trade mark | C | Si | Mn | Cr | Mo | V |
HSSD DC53 | 0.90-1.20 | 0.30-0.65 | 0.20-0.50 | 7.50-900 | 1.20-1.60 | 0.30-0.60 |
Quenching | Tempering | |||||||
Program | Heating temperature/ºC | Cooling way | Hardness (HRC) | Tempering temperature/ºC | Tempring number | Hardness (HRC) | ||
First heating | Second heating | Last heating | ||||||
1 | 500-600 | 820-860 | 1010-1060 | Oil cooling | 60-65 | 170-230 | 2 | 61-63 |
2 | 500-600 | 820-860 | 1010-1060 | Oil cooling | 60-65 | 510-540 | 2 | 60-62 |