标准 |
钢级 |
化学成分(%) |
||||||||||
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
V |
Als |
||
API SPEC 5D |
E75 |
/ |
/ |
/ |
≤0.03 |
≤0.03 |
/ |
/ |
/ |
/ |
/ |
/ |
G105 |
/ |
/ |
/ |
≤0.03 |
≤0.03 |
/ |
/ |
/ |
/ |
/ |
/ |
|
S135 |
/ |
/ |
/ |
≤0.03 |
≤0.03 |
/ |
/ |
/ |
/ |
/ |
/ |