China 1.2738 718H Plastic Mould Steel Sheet and Steel Plate of Special Steel, Find details about China Alloy Steel, Mould Steel from 1.2738 718H Plastic Mould Steel Sheet and Steel Plate of Special Steel
GB | DIN | AISI | ASSAB |
3Cr2NiMnMo | 1.2738 | P20+Ni | 718 |
C | Si | Mn | P | S | Cr | Ni | Mo |
0.30-0.40 | 0.20-0.50 | 1.00-1.50 | ≤0.010 | ≤0.030 | 1.50-2.00 | 0.80-1.20 | 0.25-0.40 |
Grade | Size(mm) | ||
1.2738 Plate | Thickness | Width | Length |
21-300 | 2200 | 5800 |
Grade | Size(mm) | ||
1.2738 Round Bar | Diameter | Length | |
10-350 | 3000-6000 |
Queching | Tempering | ||||||
Heating temperature/ºC | Cooling way | Hardness (HRC) | Tempering temperature /ºC | Tempering number | Hardness (HRC) | ||
First preheating | Second preheating | Last heating | |||||
1180-1200 | 1130-1150 | ≥850 | Oil Cooling | 50-52 | 200 | 2 | ≥48 |