2010年)最新公称压力(MPa)管道壁厚对照表.pdf

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1、2010年)最新公称压力（MPa)管道壁厚对照表（一）无缝碳钢管壁厚mmPNDN材料MPa101520253240506580100125150200250300350400450500600≤1.62.533333.53.544444.5567788892.52.533323.53.544444.55677889104.02.533333.53.5444.555.57891011121315206.43333.53.53.544.5567891112141617192212CrMo15CrMo10.033.53.544.54.5567891013151820221

2、2Cr1MoV16.044.55566789111315192426303420.044.556678911131518222832364.0T3.5444.5555.5≤1.62.533333.53.544.5444.55.577888892.52.533333.53.544.5454.55.57789910124.02.533333.53.544.555.56891011121415186.43333.5444.555.5789111314161820222610Cr5Mo10.033.5444.555.57891012151822242616.044.5556

3、78910121518222832364020.044.55678911121518222634384.0T3.5444.5555.5≤1.62.52.52.533333.53.53.53.544.555.5666672.52.52.52.533333.53.53.53.544.555.5677894.02.52.52.533333.53.544.556788910111216Mn6.42.53333.53.53.544.55678911121314161815MnV10.0333.53.5444.556789111315171916.03.53.544.55567

4、891112161922252820.03.544.555.5678911131519242630(二)无缝不锈钢管壁厚mmPNDN材料MPa101520253240506580100125150200250300350400450500600≤1.02222.52.52.52.52.52.5333.53.53.5444.51.622.52.52.52.52.5333333.53.544.5552.522.52.52.52.52.53333.53.544.556671Cr18Ni9Ti含Mo不锈钢4.022.52.52.52.52.5333.544.55678910

5、6.42.52.52.53333.544.55678101113144.0T33.53.54444.5（三）焊接钢管壁厚mmPNDN材料MPa200250300350400450500600700800900100011001200140016000.2555555556666667770.655666667777888910焊接碳钢管1.05566677889910111112（Q235A20）1.66677889101112131415162.578991011121315160.2533333.53.53.54444.54.5焊接不锈钢管0.6333.53.5

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