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C | Si | Mn | P | S | Cu | Ni |
Cr |
Mo |
V |
≤0.25 | 0.15-0.50 | 1.00-1.50 |
≤ 0.035 |
≤ 0.025 |
≤ 0.35 |
≤ 0.25 |
≤ 0.25 |
≤ 0.08 |
≤ 0.08 |
厚度 | 抗拉强度,ksi(MPs) | 屈服强度(最小)ksi(MPs) | 8in.(200mm)的伸长率(最小)%в | 2in.(50mm)的伸长率(最小)%в | 断面收缩率(最小)% |
≤12.5mm | 83-105(570-725) | 50(345) | 16 | 22 | ... |
12.5-25mm | 81-101(560-695) | 50(345) | 16 | 22 |