牌號(hào) |
抗拉強(qiáng)度(Mpa) |
屈服強(qiáng)度(Mpa) |
伸長(zhǎng)率(%) |
09MnD |
400-540 |
≥240 |
≥26 |
牌號(hào) |
化學(xué)成分(%) | |||||
C |
Si |
Mn |
P |
S |
V | |
09MnD |
≤0.12 |
0.17-0.37 |
0.95-1.35 |
≤0.025 |
≤0.015 |
≤0.03 |