材质 | 化学成分,% | ||||||||
C,≤ | Mn | P,≤ | S,≤ | Si,≤ | Alt,≤ | Cr | Ni | Cu | |
CSA44W | 0.22 | 0.50-1.50 | 0.04 | 0.05 | 0.4 | 0.1 | - | - | - |
等级 | 抗拉强度 | 屈服点或屈服强度,MPa,≥ | 伸长率,%,≥ | ||||||
纵向 | 横向 | ||||||||
码/磅 | MPa | ≤65mm | >65-100mm | >100-150mm | >150-200mm | 200mm | 50mm | 200mm | 50mm |
CSA44W | 450-620 | 300 | 280 | 280 | 280 | 20 | 23 | 18 | 21 |
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