| 鋼組 | 牌號 | 化學成分,% | |||||
| C | Si | Mn | Mo | W | Cr | ||
| Cr | 15 Cr | 0.12~0.18 | 0.17~0.37 | 0.40~.070 | - | - | 0.70~1.00 |
| | 15 CrA | 0.12~0.17 | 0.17~0.37 | 0.40~0.70 | - | - | 0.70~1.00 |
| | 20 Cr | 0.18~0.24 | 0.17~0.37 | 0.50~0.80 | - | - | 0.70~1.00 |
| | 30Cr | 0.27~0.34 | 0.17~0.37 | 0.50~0.80 | - | - | 0.80~1.10 |
| | 35 Cr | 0.32~0.39 | 0.17~0.37 | 0.50~0.80 | - | - | 0.80~1.10 |
| | 40Cr | 0.37~0.44 | 0.17~0.37 | 0.50~0.80 | - | - | 0.80~1.10 |
| | 45Cr | 0.42~0.49 | 0.17~0.37 | 0.50~0.80 | - | - | 0.80~1.10 |
| | 50Cr | 0.47~0.54 | 0.17~0.37 | 0.50~.080 | - | - | 0.80~1.10 |
| CrSi | 38CrSi | 0.35~0.43 | 1.00~1.30 | 0.30~0.60 | - | - | 1.30~1.60 |
| | 12CrMo | 0.08~0.15 | 0.17~.037 | 0.40~0.70 | 0.40~0.55 | - | 0.40~0.70 |
| | 15CrMo | 0.12~0.18 | 0.17~0.37 | 0.40~0.70 | 0.40~0.55 | - | 0.80~1.10 |
| | 20CrMo | 0.17~0.24 | 0.17~0.37 | 0.40~0.70 | 0.15~0.25 | - | 0.80~1.10 |
| | 30CrMo | 0.26~0.34 | 0.17~0.37 | 0.40~0.70 | 0.15~0.25 | - | 0.80~1.10 |
| | 30CrMoA | 0.26~0.33 | 0.17~0.37 | 0.40~0.70 | 0.15~0.25 | - | 0.80~1.10 |
| CrMo | 35CrMo | 0.32~0.40 | 0.17~0.37 | 0.40~0.70 | 0.15~0.25 | - | 0.80~1.10 |
| | 42CrMo | 0.38~0.45 | 0.17~0.37 | 0.50~0.80 | 0.15~0.25 | - | 0.90~1.20 |