 
 


供应规格:板材、棒材、锻件、法兰、圆环等
供应规格:板材、棒材、锻件、法兰、圆环等
冷镦和冷挤压用钢的钢号与化学成分
| 钢号 | C | Si | Mn | P≤ | S≤ | Cr | AL≥ | 其他 | |
| 非热处理型冷镦和冷挤压钢 | |||||||||
| ML04AL | ≤0.06 | ≤0.10 | 0.20-0.40 | 0.035 | 0.035 | 
 | 0.020 | 
 | |
| ML08AL | 0.05-0.10 | ≤0.10 | 0.30-0.60 | 0.035 | 0.035 | 
 | 0.020 | 
 | |
| ML10AL | 0.08-0.13 | ≤0.10 | 0.30-0.60 | 0.035 | 0.035 | 
 | 0.020 | 
 | |
| ML15AL | 0.13-0.18 | ≤0.10 | 0.30-0.60 | 0.035 | 0.035 | 
 | 0.020 | 
 | |
| ML15 | 0.13-0.18 | 0.15-0.35 | 0.30-0.60 | 0.035 | 0.035 | 
 | 
 | 
 | |
| ML20AL | 0.18-0.23 | ≤0.10 | 0.30-0.60 | 0.035 | 0.035 | 
 | 0.020 | 
 | |
| ML20 | 0.18-0.23 | 0.15-0.35 | 0.30-0.60 | 0.035 | 0.035 | 
 | 
 | 
 | |
| 表面硬化型冷镦和冷挤压用钢 | |||||||||
| ML18Mn | 0.15-0.20 | ≤0.10 | 0.60-0.90 | 0.030 | 0.035 | 
 | 0.020 | 
 | |
| ML22Mn | 0.18-0.23 | ≤0.10 | 0.70-1.00 | 0.030 | 0.035 | 
 | 0.020 | 
 | |
| ML20Cr | 0.17-0.23 | ≤0.30 | 0.60-0.90 | 0.030 | 0.035 | 0.90-1.20 | 0.020 | 
 | |
| 调质型冷镦和冷挤压用钢 | |||||||||
| ML25 | 0.22-0.29 | ≤0.20 | 0.30-0.60 | 0.035 | 0.035 | 
 | 
 | 
 | |
| ML30 | 0.27-0.34 | ≤0.20 | 0.30-0.60 | 0.035 | 0.035 | 
 | 
 | 
 | |
| ML35 | 0.32-0.39 | ≤0.20 | 0.30-0.60 | 0.035 | 0.035 | 
 | 
 | 
 | |
| ML40 | 0.37-0.44 | ≤0.20 | 0.30-0.60 | 0.035 | 0.035 | 
 | 
 | 
 | |
| ML45 | 0.42-0.50 | ≤0.20 | 0.30-0.60 | 0.035 | 0.035 | 
 | 
 | 
 | |
| ML15Mn | 0.14-0.20 | 0.20-0.40 | 1.20-1.60 | 0.035 | 0.035 | 
 | 
 | 
 | |
| 含硼冷镦和冷挤压用钢 | |||||||||
| ML20B | 0.17-0.24 | ≤0.40 | 0.50-0.80 | 0.035 | 0.035 | 
 | 0.020 | B 0.0005-00.0035 | |
| ML28B | 0.25-0.32 | ≤0.40 | 0.60-0.90 | 0.035 | 0.035 | 
 | 0.020 | B 0.0005-00.0035 | |
| ML35B | 0.32-0.39 | ≤0.40 | 0.50-0.80 | 0.035 | 0.035 | 
 | 0.020 | B 0.0005-00.0035 | |
| ML15MnB | 0.14-0.20 | ≤0.43 | 1.20-1.60 | 0.035 | 0.035 | 
 | 0.020 | B 0.0005-00.0035 | |
| ML20MnB | 0.17-0.24 | ≤0.40 | 0.80-1.20 | 0.035 | 0.035 | 
 | 0.020 | B 0.0005-00.0035 | |
| ML35MnB | 0.32-0.39 | ≤0.40 | 1.10-1.40 | 0.035 | 0.035 | 
 | 0.020 | B 0.0005-00.0035 | |
| ML37CrB | 0.34-0.41 | ≤0.40 | 0.50-0.80 | 0.035 | 0.035 | 0.20-0.40 | 0.020 | B 0.0005-00.0035 | |
| ML20MnTiB | 0.19-0.24 | ≤0.30 | 1.30-1.60 | 0.035 | 0.035 | 
 | 0.020 | B 0.0005-00.0035 TI 0.04-0.10 | |
| ML15MnVB | 0.13-0.18 | ≤0.30 | 1.20-1.60 | 0.035 | 0.035 | 
 | 0.020 | B 0.0005-00.0035 V 0.07-0.12 | |
| ML20MnVB | 0.19-0.24 | ≤0.30 | 1.20-1.60 | 0.035 | 0.035 | 
 | 0.020 | B 0.0005-00.0035 V 0.07-0.12 | |
