China D2 1.2379 ESR Cold Work Mould Steel Flat Bar, Find details about China Alloy Steel, Die steel from D2 1.2379 ESR Cold Work Mould Steel Flat Bar
C | Cr | Mn | Mo | Si | V | P | S |
1.4-1.6 | 11-13 | 0.3-0.5 | 0.7-1.2 | 0.30-0.5 | ≤0.8 | ≤0.025 | ≤0.025 |
Flat Bar Size(mm) | Round bar Size(mm) | |||
Thickness | Width | Length | Diameter | Length |
8-80 | 155-610 | 3000-5000 | 14-80 | 3000-6000 |
Quenching | Tempering | ||||||
Heating temperature/ºC | Cooling way | Hardness (HRC) | Tempering temperature /ºC | Tempering number | Hardness (HRC) | ||
First preheating | Second preheating | Last heating | |||||
600-650 | 800-850 | 1020-1040 | Air Cooling | 61-63 | 500-560 | 2 | ≥58 |