China Steel Round Bar 1.2344 SKD61 H13 of Hot Work Mould Steel, Find details about China SKD61 Steel, alloy steel from Steel Round Bar 1.2344 SKD61 H13 of Hot Work Mould Steel
C | Si | Mn | P | S | Cr | Mo | V |
0.32-0.45 | 0.80-1.20 | 0.20-0.50 | ≤0.030 | ≤0.030 | 4.75-5.50 | 1.10-1.75 | 0.80-1.20 |
Quenching | Tempering | ||||||
Heating temperature/ºC | Cooling way | Hardness (HRC) | Tempering temperature /ºC | Tempering number | Hardness (HRC) | ||
First preheating | Second preheating | Last heating | |||||
500-550 | 750-800 | 1020-1050 | Oil Cooling or Air Cooling | 56-58 | 560-580 | 3 | 40-45 |