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m m材料PNDNMPa101520253240506580100125150200250300350400450500600 1.62.533333.53.544444.5567788892.52.533323.53.544444.5567788910204.02.533333.53.5444.555.578910111213156.43333.53.53.544.5567891112141617192212CrMo15CrMo10.033.53.544.54.55678910131518202212Cr1MoV16.
2、044.55566789111315192426303420.044.556678911131518222832364.0T3.5444.5555.5 1.62.533333.53.544.5444.55.577888892.52.533333.53.544.5454.55.57789910124.02.533333.53.544.555.568910111214151810Cr5Mo6.43333.5444.555.5789111314161820222610.033.5444.555.57891012151822242616.044.555678910121518222832364020.
3、044.55678911121518222634384.0T3.5444.5555.5 1.62.52.52.533333.53.53.53.544.555.5666672.52.52.52.533333.53.53.53.544.555.5677894.02.52.52.533333.53.544.556788910111216Mn6.42.53333.53.53.544.55678911121314161815MnV10.0333.53.5444.556789111315171916.03.53.544.55567891112161922252820.03.544.555.56789111
4、31519242630(二 )无缝不锈钢管壁厚mm材料PNDNMPa101520253240506580100125150200250300350400450500600 1.02222.52.52.52.52.52.5333.53.53.5444.51.622.52.52.52.52.5333333.53.544.5551Cr18Ni9Ti2.522.52.52.52.52.53333.53.544.55667含 Mo 不锈钢4.022.52.52.52.52.5333.544.556789106.42.52.52.53333.544.55678101113144.0T33.53.54444
5、.5（三）焊接钢管壁厚mm材料PNDNMPa200250300350400450500600700800900100011001200140016000.2555555556666667770.655666667777888910焊接碳钢管1.05566677889910111112（ Q235A20 ）1.66677889101112131415162.57899101112131516焊接不锈钢管0.2533333.53.53.54444.54.50.6333.53.53.5444.55566专业文档供参考，如有帮助请下载。1.03.53.544.54.555.567781.644.55667789102.556789910121315专业文档供参考，如有帮助请下载。
