化學(xué)成分:
C | Si | Mn | P | S | Cr | Ni | Mo | Cu | ||
0.38~0.42 | 0.15~0.35 | 0.60~0.85 | ≤0.030 | ≤0.030 | 0.9~1.2 | ≤0.25 |
0.15~0.30
|
≤0.030 |
抗拉強(qiáng)度
|
屈服強(qiáng)度
|
斷面伸長(zhǎng)率
|
斷面收縮率
|
沖擊功
|
≥1080
|
≥930
|
≥12
|
≥45
|
≥63
|