常用公称压力下钢管壁厚选用

常用公称压力下钢管壁厚选用PNMPa10152025324050658010012515020025030035040045050060020≤1.62.533333.53.544444.55677888912CrMo2.52.533323.53.544444.556778891015CrMo42.533333.53.5444.555.5789101112131512Cr1MoV6.43333.53.53.544.556789111214161719221033.53.544.54.5567891013151820221644.5556678911131519242630342044.556678911131518222832364.0T3.5444.5555.510≤1.62.533333.53.544.5444.55.57788889Cr5Mo2.52.533333.53.544.5454.55.577899101242.533333.53.544.555.56891011121415186.43333.5444.555.578911131416182022261033.5444.555.5789101215182224261644.55567891012151822283236402044.55678911121518222634384.0T3.5444.5555.516Mn≤1.62.52.52.533333.53.53.53.544.555.56666715MnV2.52.52.52.533333.53.53.53.544.555.56778942.52.52.533333.53.544.55678891011126.42.53333.53.53.544.55678911121314161810333.53.5444.5567891113151719163.53.544.555678911121619222528203.544.555.5678911131519242630常用公称压力下管道壁厚选用表常用公称压力下管道壁厚选用表（一）无缝碳钢管壁厚mm材料DNPNMPa1015202532405065801001251502002503003504004505006001Cr18Ni9Ti≤1.02222.52.52.52.52.52.5333.53.53