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如何计算冷拔无缝管屈服强度抗拉强度伸长率

点击数:16242014-03-08 14:06:03 来源: www.gx4485.com

如何计算冷拔无缝管屈服强度抗拉强度伸长率-浙江舟山冷拔钢管知识

如何计算冷拔无缝管屈服强度抗拉强度伸长率

力学性能    化学成份
屈服强度    抗拉强度    伸长率    C    Si    Mn    S    P
MPa    kg/mm²    MPa    kg/mm²    min    不大于    不大于    不大于
Q215AQ215B    215    22    335-410    34-42    31    0.09-0.15    0.03    0.25-0.55    0.0500.045    0.045
Q235AQ235B    235    24    375-460    38-47    26    0.14-0.220.12-0.20    0.3    0.30-0.650.30-0.70    0.500.45    0.0450.045
Q235C    ≤0.18    0.35-0.80    0.4    0.04
Q235D    ≤0.17    0.35-0.80    0.035    0.035
16Mn(Q345B)    345    35    510-600    51.6    22    0.12-0.20    0.20-0.55    1.2-1.6    0.045    0.045
X42    289    29.5    413    42.1         0.28    -    1.25    0.03    0.03
X52    358    36.5    455    46.4    0.3    -    1.35    0.03    0.03
X56    386    39.4    489    49.9    0.26    -    1.35    0.03    0.03
X60    413    42.1    517    52.7    0.26    -    1.35    0.03    0.03
X65    448    45.7    530    54    0.26    -    1.4    0.03    0.03
X70    482    49.2    565    57.6    0.26

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