标准 |
牌号 |
化学成分 | ||||
C |
Si |
Mn |
P、S |
Cr | ||
DIN1629 |
St37.0 |
≤0.17 |
/ |
/ |
≤0.040 |
/ |
St44.0 |
≤0.21 |
/ |
/ |
≤0.040 |
/ | |
St52.0 |
≤0.22 |
≤0.55 |
≤1.70 |
≤0.040 |
/ |