China DC53 Black Surface Cold Work Die Steel Plate, Find details about China Alloy steel, Mould steel from DC53 Black Surface Cold Work Die Steel Plate
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 |
quench | temper | |||||||
program | Heating temperatureoC | Cooling way | Hardness (HRC) | Tempering temperature | Tempering 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 | 1060- 1100 | Oil cooling | 60-65 | 510-540 | 2 | 60-62 |