牌号 | C | Si | Mn | P | S | Nb | V | Al | Ti | Cr | Ni | Mo | Cu | N |
S500M | ≤0.16 | ≤0.60 | ≤1.70 | ≤0.030 | ≤0.025 | ≤0.05 | ≤0.12 | ≤0.020 | ≤0.05 | ≤0.30 | ≤0.80 | ≤0.20 | ≤0.55 | ≤0.025 |
牌号 | 对应厚度mm的屈服强度MPa | 对应厚度mm的抗拉强度MPa | 断后伸长率A% | |||||||||
≤16 | 16-40 | 40-63 | 63-80 | 80-100 | 100-150 | ≤40 | 40-63 | 63-80 | 80-100 | 100-150 | ||
S500M | 500 | 480 | 460 | 450 | 450 | 450 | 580-760 | 580-760 | 580-760 | 560-750 | 560-750 | ≥15 |
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