|
標準 |
牌號 |
化學成分（%） |
機械性能 | ||||||||||
|
C |
Si |
Mn |
P |
S |
Cu |
Ni |
Mo |
Cr |
V |
抗拉強度Mpa |
屈服強度Mpa | ||
|
ASTM |
A |
≤0.25 |
- |
≤0.95 |
≤0.05 |
≤0.06 |
≤0.40 |
≤0.40 |
≤0.15 |
≤0.40 |
≤0.08 |
≥330 |
≥205 |
|
A53 |
B |
≤0.30 |
- |
≤1.20 |
≤0.05 |
≤0.06 |
≤0.40 |
≤0.40 |
≤0.15 |
≤0.40 |
≤0.08 |
≥415 |
≥240 |
|
ASTM |
B |
≤0.30 |
≤0.10 |
0.29~1.06 |
≤0.035 |
≤0.035 |
≤0.40 |
≤0.40 |
≤0.15 |
≤0.40 |
≤0.08 |
≥415 |
≥240 |