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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PNDN质MPa1015202532405065801001251502002503003504004505006001.62.533333.53.544444.5567788892.52.533323.53.544444.55677889104.02.533333.53.5444.555.57891011121315206.43333.53.53.544.5567891112141617192210.033.53.544.54.55678910131518202216.044.55566789111315192426303420.044
2、.556678911131518222832364.0T3.5444.5555.51.62.533333.53.544.5444.55.577888892.52.533333.53.544.5454.55.57789910124.02.533333.53.544.555.5689101112141518106.43333.5444.555.5789111314161820222610.033.5444.555.57891012151822242616.044.555678910121518222832364020.044.55678911121518222634384.0T3.5444.555
3、5.51.62.52.52.533333.53.53.53.544.555.56666716Mn2.52.52.52.533333.53.53.53.544.555.5677894.02.52.52.533333.53.544.55678891011126.42.53333.53.53.544.55678911121314161816Mn10.0333.53.5444.556789111315171916.03.53.544.55567891112161922252820.03.544.555.5678911131519242630直缝钢管壁厚对照表材料PNMPaDN20025030035040045050060070080090010001100120014001600焊接碳钢管0.25555555666666777(Q235A20)50.6556666677778889101.055666778899101111121.66677889101112131415162.57899101112131516焊接不锈钢管0.2533333.53.53.54444.54.50.6333.53.53.5444.555661.03.53.544.54.555.567781.644.55667789102.556789910121315
