无缝碳钢管壁厚 mm
材料PNMpa≤1.62.546.41016204.0T≤1.62.546.41016204.0T≤1.62.546.4101620DN102.52.52.533444.52.52.52.533443.52.52.52.52.533.53.51533333.54.54.5433333.54.54.542.52.52.5333.542033333.5554333345542.52.52.533.544.5253333.545.53333.545.533333.54.55323333.54.566533344.56753333.5455.5403.53.53.53.54.56753.53.53.5457853333.5456503.53.53.545785.53.53.53.54.55.55.53333.54.567654444.544579113.53.53.5457880444579114.54.54.56810123.53.53.54.56100444.56811134457912153.53.5457911125445791315455.581015183.53.54.56811131504.54.55.581015184.54.56912182244579121520055791319225.55.581115222.54.56811161925066811152428779131828345579131924300779121826327710142232385.55.5811152226350771014203036881116243008811162234450881217500131960091015222012CrMo15CrMo12Cr1MoV10Cr5Mo12182014201522912182616Mn 15MnV66812172530679131928671014681116791218无缝不锈钢管壁厚 mm
PNMpa10≤1.021.621Cr18Ni9Ti2.52426.42.54.0T3材料DN1522.52.52.52.53.52022.52.52.52.53.5252.52.52.52.534322.52.52.52.534402.52.52.52.534502.53333.54.5652.53334802.533.54.5100333.545125333.54.561503.53.54572003.53.54.5682503.54571030044.568113504569134004.5571014450500600焊接钢管壁厚 mm
PNDNMpa200250300350400450500600700800900100011001200140016000.255555555666666777焊接碳钢管0.6556666677778810Q235A2015566677101111121.666778101112131415162.5791011121315160.2533333.53.53.54444.54.50.6333.53.53.5444.55566焊接不锈钢管13.53.544.54.555.567781.4.556677102.5567910121315注:1.表中\"40T\"表示外径加工螺纹的管道,适用于PN≤4.0的阀体连接. 2.DN≥25的\"大腐蚀余量\"的碳钢管的壁厚应按表中数值再增3mm. 3.本指标按承受内压计算.
4.计算中采用的许用应力值依次为:120.0MPa 100.0MPa 150.0MPa 120.0MPa 5.焊接钢管采用螺旋缝电焊钢管时,最小厚度为6mm,系列应按产品标准.
6.本表摘自化工工艺配管设计中心站编制的设计规定的<<管道等级及材料选用表>>
材料
