高强度船体结构钢力学性能与化学成份
| 钢材级别 |
屈服点σs (MPa)不小于 |
抗拉强度 σb(MPa) |
伸长率σ% 不小于 |
碳 C |
锰 Mn |
硅 Si |
硫 S |
磷 P |
| A32 | 315 | 440-570 | 22 | ≤0.18 | ≥0.9-1.60 | ≤0.50 | ≤0.035 | ≤0.035 |
| D32 |
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| E32 |
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| F32 | ≤0.16 | ≤0.025 | ≤0.025 |
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| A36 | 355 | 490-630 | 21 | ≤0.18 | ≤0.035 | ≤0.035 |
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| D36 |
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| E36 |
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| F36 | ≤0.16 | ≤0.025 | ≤0.025 |
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| A40 | 390 | 510-660 | 20 | ≤0.18 | ≤0.035 | ≤0.035 |
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| D40 |
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| E40 |
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| F40 | ≤0.16 | ≤0.025 | ≤0.025 |