鍨嬭櫉(h脿o) | 鐗岃櫉(h脿o) | 鍖� | 瀛�(xu茅) | 鎴� | 鍒� | |
C | Si | Mn | P | S | ||
9 | 16Mn | 0.16~0.20 | 0.30~0.60 | 1.30~1.60 | 鈮�0.045 | 鈮�0.050 |
11 | 20MnK | 0.21~0.26 | 0.20~0.60 | 1.20~1.60 | 鈮�0.045 | 鈮�0.050 |
12 | Q275b Q275 |
0.28~0.37 | 鈮�0.10 0.15~0.35 |
0.50~0.80 | 鈮�0.045 | 鈮�0.050 |