| 标准 |
牌号 |
化学成分（%） |
||||||||||
| C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
V |
Al |
||
| GB/T18984 -2003 |
16MnDG |
0.12-0.20 |
0.20-0.55 |
1.20-1.60 |
≤0.025 |
≤0.025 |
-- |
-- |
-- |
-- |
-- |
-- |
| 10MnDG |
≤0.13 |
0.17-0.37 |
≤1.35 |
≤0.025 |
≤0.025 |
-- |
-- |
-- |
-- |
≤0.07 |
-- |
|
| 09DG |
≤0.12 |
0.17-0.37 |
≤0.95 |
≤0.025 |
≤0.025 |
-- |
-- |
-- |
-- |
≤0.07 |
-- |
|
| 09Mn2VDG |
≤0.12 |
0.17-0.37 |
≤1.85 |
≤0.025 |
≤0.025 |
-- |
-- |
-- |
-- |
≤0.12 |
-- |
|
| 06Ni3MoDG |
≤0.08 |
0.17-0.37 |
≤0.85 |
≤0.025 |
≤0.025 |
-- |
2.5-3.7 |
-- |
0.15-0.30 |
≤0.05 |
-- |
|
| ASTM A333 |
Grade1 |
≤0.30 |
-- |
0.40-1.06 |
≤0.025 |
≤0.025 |
-- |
-- |
-- |
-- |
-- |
-- |
| Grade3 |
≤0.19 |
0.18-0.37 |
0.31-0.64 |
≤0.025 |
≤0.025 |
-- |
3.18-3.82 |
-- |
-- |
-- |
-- |
|
| Grade4 |
≤0.12 |
0.18-0.37 |
0.50-1.05 |
≤0.025 |
≤0.025 |
0.44-1.01 |
0.47-0.98 |
0.40-0.75 |
-- |
-- |
0.04-0.30 |
|
| Grade6 |
≤0.30 |
≥0.10 |
0.29-1.06 |
≤0.025 |
≤0.025 |
-- |
-- |
-- |
-- |
-- |
-- |
|
| Grade7 |
≤0.19 |
0.13-0.32 |
≤0.90 |
≤0.025 |
≤0.025 |
-- |
2.03-2.57 |
-- |
-- |
-- |
-- |
|
| Grade8 |
≤0.13 |
0.13-0.32 |
≤0.90 |
≤0.025 |
≤0.025 |
-- |
8.40-9.60 |
-- |
-- |
-- |
-- |
|
| Grade9 |
≤0.20 |
-- |
0.40-1.06 |
≤0.025 |
≤0.025 |
-- |
1.60-2.24 |
0.75-1.25 |
-- |
-- |
-- |
|
| Grade10 |
≤0.20 |
0.10-0.35 |
1.15-1.50 |
≤0.030 |
≤0.015 |
≤0.15 |
≤0.25 |
≤0.015 |
≤0.50 |
≤0.12 |
≤0.06 |
|
| Grade11 |
≤0.10 |
≤0.035 |
≤0.60 |
≤0.025 |
≤0.025 |
≤0.50 |
35.0-37.0 |
-- |
≤0.50 |
-- |
-- |
低温管理论重量计算公式：（外径-壁厚）×壁厚×0.02466=KG/M（每米的重量）
