公称压力管道壁厚对照表

2012CrMo15CrMo12Cr1MoV10Cr5Mo16Mn15MnV......(2010年)最新公称压力（MPa)管道壁厚对照表（一）无缝碳钢管壁厚mmPNDNMPa101520253240506580100125150200250300350400450500600≤1.62.533333.53.544444.5567788892.52.533323.53.544444.55677889104.02.533333.53.5444.555.578910111213156.43333.53.53.544.5567891112141617192210.033.53.544.54.55678910131518202216.044.55566789111315192426303420.044.556678911131518222832364.0T3.5444.5555.5≤1.62.533333.53.544.5444.55.577888892.52.533333.53.544.5454.55.57789910124.02.533333.53.544.555.56891011121415186.43333.5444.555.5789111314161820222610.033.5444.555.57891012151822242616.044.555678910121518222832364020.044.55678911121518222634384.0T3.5444.5555.5≤1.62.52.52.533333.53.53.53.544.555.5666672.52.52.52.533333.53.53.53.544.555.5677894.02.52.52.533333.53.544.55678891011126.42.53333.53.53.544.55678911121314161810.0333.53.5444.556789111315171916.03.53.544.55567891112161922252820.03.544.555.5678911131519242630s........(二)无缝不锈钢管壁厚mmPNDN材料MPa101520253240506580100125150200250300350400450500600≤1.02222.52.52.52.52.52.5333.53.53.5444.51.622.52.52.52.52.5333333.53.544.5551Cr18Ni9Ti2.522.52.52.52.52.53333.53.544.55667含Mo不锈钢4.022.52.52.52.52.5333.544.556789106.42.52.52.53333.544.55678101113144.0T33.53.54444.5（三）焊接钢管壁厚mmPNDN材料MPa200250300350400450500600700800900100011001200140016000.2555555556666667770.655666667777888910焊接碳钢管1.05566677889910111112（Q235A20）1.66677889101112131415162.578991011121315160.2533333.53.53.54444.54.50.6333.53.53.5444.55566焊接不锈钢管1.03.53.544.54.555.567781.644.55667789102.556789910121315s........内压金属直管的壁厚根据SH3059-2001《石油化工管道设计器材选用通则》确定：当S00.22～29ZG25YB979-670.50～0.800.20～0.45钢0.32管30ZG20CrMo0.15～0.250.4～0.70.17～0.370.9～1.20.5～0.70.2～0.331ZG20CrMoV0.18～0.250.4～0.70.14～0.370.9～1.20.5～0.70.2～0.3s........32ZG15Cr1Mo1V0.12～0.200.4～0.70.17～0.370.9～1.20.8～1.20.2～0.4钢化学成分%机械性能(不小于)材序硫磷抗拉强度屈服点延伸率冲击值钢号标准号其类号SPσbσsδsαb备注它别不大于kg/kg/%kg－m/1715MnVYB231－700.0500.0505440181812CrMoYB237－70Cu≤0.300.0400.04042252171915CrMoYB237－70Cu≤0.300.0400.040452621620Cr5MoYB237－700.0300.035402022122112CrMoVYB529－700.0400.0405440172212Cr2MoWVBYB529－700.0350.035553518钢2312Cr3MoVSiTiBYB529－700.0350.035644518板4826216纵向2412CrMoVYB529－700.0400.0404526195横向251Cr18Ni9TiYB804－700.0300.035564026Cr18Ni13Mo2TiYB804－700.0300.03560352700Cr18Ni10YB804－700.0250.03550502800Cr17Ni13Mo2YB804－700.0250.035604029ZG25YB979-670.040.044524204.5钢30ZG20CrMo0.030.034725183管31ZG20CrMoV0.030.03503214332ZG15Cr1Mo1V0.030.035535203.5s........s........s..