管道压力和壁厚对照表

（一）无缝碳钢管壁厚与压力对照表                             PNDN材料MPa10152025324050658010012515020025030035020≤1.62.533333.53.544444.5567712CrMo2.52.533323.53.544444.5567715CrMo42.533333.53.5444.555.57891012Cr1MoV6.43333.53.53.544.5567891112141033.53.544.54.55678910131518201644.55566789111315192426302044.556678911131518222832364.0T3.5444.5555.510≤1.62.533333.53.544.5444.55.5778Cr5Mo2.52.533333.53.544.5454.55.577842.533333.53.544.555.568910116.43333.5444.555.5789111314161033.5444.555.57891012151822241644.555678910121518222832362044.55678911121518222634384.0T3.5444.5555.516Mn15MnV≤1.62.546.41016202.52.52.52.533.53.52.52.52.5333.542.52.52.533.544.533333.54.553333.5455.53333.54563333.54.5673.53.53.545783.53.53.54.56893.53.54579113.543.544.55678911121315DN12515033.533.53.544.55674.54.56811161955791319245.55.581115222666812172530（二）无缝不锈钢管壁厚 与压力对照PN材料MPa101520253240501Cr18Ni9Ti≤1.02222.52.52.52.5含Mo不锈钢1.622.52.52.52.52.532.522.52.52.52.52.53422.52.52.52.52.536.42.52.52.53333.54.0T33.53.54444.5（三）焊接钢管（直缝焊管）壁厚与压力对照表 PNMPa200250300350400450500材料焊接碳钢管0.255555555（Q235A20）0.65566666155666771.666778892.578991011120.2533333.53.53.5652.53334802.5333.54.5100333.5452003.53.54.5682503.54571030044.5681135045691360067810134DN7006781115480067912164900100011001200140016006667777888910910111112131415164.54.5焊接不锈钢管0.611.62.533.54533.54.563.54573.54.5683.54.569444.555.567789101255779101315686表

    400881116223445088121750089131960091015228889991012121415181820222626406667778991011121314161819284004505006004.5571014