|
|
牌號 |
化 學 成 份 % |
||||||
C |
Si |
Mn |
P |
S |
|
Cu |
|
20g |
≤0.24 |
0.15-0.30 |
0.35-0.65 |
≤0.035 |
≤0.035 |
|
|
22g |
≤0.26 |
0.17-0.37 |
0.60-0.90 |
≤0.035 |
≤0.035 |
|
|
12Mng |
≤0.16 |
0.20-0.60 |
1.10-1.50 |
≤0.035 |
≤0.035 |
|
|
16Mng |
0.12-0.20 |
0.20-0.60 |
1.20-1.60 |
≤0.035 |
≤0.035 |
|
|
15MnVg |
0.10-0.18 |
0.20-0.60 |
1.20-1.60 |
≤0.035 |
≤0.035 |
V 0.04-0.12 |
≤0.03 |
14MnMoVg |
0.10-0.18 |
0.20-0.50 |
1.20-1.60 |
≤0.035 |
≤0.035 |
V 0.05-0.15 |
Mo0.40-0.65 |
18MnMoNbg |
0.17-0.23 |
0.17-0.37 |
1.35-1.65 |
≤0.035 |
≤0.035 |
Nb 0.025-0.050 |
Mo0.40-0.65 |