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1、无缝钢管 直缝钢管承压能力和壁厚对照表一）无缝碳钢管壁厚材质PNMPaDN101520253240506580 100 125150200 250 300 350400450 500 60020 1.62.533333.53.544444.5567788892.52.533323.53.544444.55677889104.02.533333.53.5444.555.578910111213156.43333.5 3.5 3.544.5567891112141617192210.033.5 3.544.5 4.55678910131518202216.044.55566789111315192
2、426303420.044.556678911131518222832364.0T3.5444.5555.510 1.62.533333.53.544.5444.55.577888892.52.533333.53.544.5454.55.57789910124.02.533333.53.544.555.56891011121415186.43333.5444.555.5789111314161820222610.033.5444.555.57891012151822242616.044.555678910121518222832364020.044.5567891112151822263438
3、4.0T3.5444.5555.5 1.62.5 2.5 2.533333.5 3.5 3.5 3.544.555.56666716Mn2.52.5 2.5 2.533333.5 3.5 3.5 3.544.555.5677894.02.5 2.5 2.533333.5 3.544.55678891011126.42.53333.5 3.5 3.544.55678911121314161816Mn10.0333.5 3.5444.556789111315171916.03.5 3.544.55567891112161922252820.03.544.555.567891113151924263
4、0直缝钢管壁厚对照表PNDN材料2025303540455060708090100110120140160MPa0000000000000000焊接碳钢管0.25555555666666777( Q235A20 )50.6556666677778889101.055666778899101111121.66677889101112131415162.57899101112131516焊接不锈钢管0.2533333.5 3.5 3.54444.54.50.6333.5 3.5 3.444.555661.03.5 3.544.5 4.555.567781.644.55667789102.556789910121315此文档可自行编辑修改，如有侵权请告知删除，感谢您的支持，我们会努力把内容做得更 好