公称压力(MPa)管道壁厚对照表

（2010年）最新公称压力（MPa）管道壁厚对照表（一）无缝碳钢管壁厚mm材料PNDNMPa101520253240506580100125150200250300350400450500600<1.62.533333.53.544444.5567788892.52.533323.53.544444.5567788910204.02.533333.53.544.555.589101112131512CrMo6.43333.53.53.544.567891112141617192215CrMo10.033.53.544.54.55678910131518202212Cr1MoV16.044.55566789111315192426303420.044.55c6678911131518222832364.0T3.5444.5555.5<1.62.533333.53.544.5444.55.577888892.52.533333.53.544.5454.55.57789910124.02.533333.53.544.555.56891011121415186.43333.5444.555.57891113141618202226IU55MO10.033.5444.555.57891012151822242616.044.555678910121518222832364020.044.5378911121518222634384.0T3.5444.5555.5<1.62.52.52.533333.53.53.53.544.555.5666672.52.52.52.533333.53.53.53.544.555.56778916Mn4.02.52.52.533333.53.544.55678891011126.42.53333.53.53.544.55678911121314161815MnV10.0333.53.5444.556789111315171916.03.53.544.55567891112161922252820.03.544.555.5678911131519242630（二）无缝不锈钢管壁厚mm材料PNMPaDN1015202532405065801001251502002503003504004505006001Cr18Ni9Ti含Mo不锈钢<1.02222.52.52.52.52.52.5333.53.53.5444.51.622.52.52.52.52.5333333.53.544.5552.522.52.52.52.52.53333.53.544.556674.022.52.52.52.52.5333.544.556789106.42.52.52.53333.544.55678101113144.0T33.53.54444.5(三)焊接钢管壁厚mm材料PNMPaDN20025030035040045050060070080090010001100120014001600焊接碳钢管(Q235A20)0.2555555556666667770.655666c6677778889101.055666778899101111121.66677889101112131415162.5899101112131516焊接不锈钢管0.2533333.53.53.54444.54.50.633.53.53.5444.555661.03.53.544.54.555.567781.64.55667789102.556789910121315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S00.22〜0.320.50〜0.800.20〜0.4530ZG20CrMo0.15〜0.250.4〜0.70.17〜0.370.9〜1.20.5〜0.70.2〜0.331ZG20CrMoV0.18〜0.250.4〜0.70.14〜0.370.9〜1.20.5〜0.70.2〜0.332ZG15Cr1Mo1V0.12〜0.200.4〜0.70.17〜0.370.9〜1.20.8〜1.20.2〜0.4标准号化学成分%机械性能（不小于）苴/、它硫S磷P抗拉强度abkg/屈服点aSkg/延伸率Ss%冲击值abkg—m/备注不大::于1715MnVYB231-700.0500.0505440181812CrMoYB237-70Cu<0.300.0400.04042252171915CrMoYB237-70Cu<0.300.0400.040452621620Cr5MoYB237-700.0300.035402022122112CrMoVYB529-700.0400.0405440172212Cr2MoWVBYB529-700.0350.035553518钢钢2312Cr3MoVSiTiBYB529-700.0350.035644518板）人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31ZG20CrMoV0.030.03503214332ZG15Cr1Mo1V0.030.035535203.5英国标«BS137S—1*>85焊接钢管或UR21螺纹钢偉冬阶C從Ms»mi.nLall囂laze41厚f电4JH^11'lliLkllC^hHft舉喂，Oin^tJcDiiilieccriuh->Weight〔Blackpk*|itmi15为"5S英如25*iiklIlitXMaxABCAHMn65或[W125150备汕63nM84G2$4I$T96I4①LZ10Z1.02LV0.9-71.2126.4Z6t63b,6gI.16^.2埶F如1.982.11-1^I臨13.o-1：38=3.5WSON1CS=3h5m^45$-£门佃*M5占.3・5MM6DY5CA=3r5imid>57=3.5MN*57«=3.5W7IW蘭=3.75mmcb?Cg.OWN4176fi*4.0hlM8DV8C&-LCim4*泗5=1.0IH4>89fi-tOMM9IKIQOS=l.ta108S=1.QRM4^89S-4.5MM10DV125石=1.5niiu市133&=4.5NM巾1艸占詞HMM11DVI50S=1.5nmi4*1596=1.5MM0)1065=I5MM12酹200爲=5>imdi2l!)=6.OfilM巾133&-L5MM13DY25OS=7«m^2733-Wf*133S二&MM屮325S=?.ONM159=L$MM4*3775=8.OHM^1595=5.5MM01219S=fi.OMMt>219fi=7MMm273&-8.orn巾325S二氐UMM中37?鸟

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