DN外径设计压力（MPa）15180.273560.31264420250.379940.43422425320.486320.5558432380.577510.66001440450.683890.78159450570.866260.99001465761.155021.32002480891.352581.5458141001081.641341.8758141251332.021282.3100341501592.416412.7616242002193.328273.8037342502734.148944.7416443003254.939215.6448143503775.729486.5479844004266.474167.399044450480450053046006304700720480082049009204100010204120012204140014204160016204180018204200020204钢管尺寸计算壁厚 选用壁厚设计温度下材料的许用应力（MPa）焊接接头系数 腐蚀裕量DN130101513010201301025130103213010401301050130106513010801301010013010125130101501301020013010250130103001301035013010400130104501301050013010600130107001301080013010900130101000130101200130101400130101600130101800130102000需要用户输入的参数外径Sch5SSch10SSch20SSch40SSch80SDN外径181.623341518251.623342025321.62.833.54.52532381.62.833.553238451.62.8345.54045571.62.83.2475057762.53.24.55.586576892.53.24.55.58.580891083.53.5569.51001081333.53.556.5111251331593.53.55.5713150159219446.581320021927344.56.5101325027332544.56.510300325377458123503774264.55812400426480450480530500530630600630720700720820800820920900920102010001020122012001220142014001420162016001620182018001820202020002020不锈钢无缝钢管管号表Sch20Sch30Sch40Sch60Sch80Sch100Sch120Sch140Sch160333.544.5333.545.53.23.544.56.53.23.5456.53.544573.5455.5945671055.57811568911145.56.58101316679121418678101315182022789131518222528791014182225283281011162025283236101013182228303640121215202530364045131316222832404550碳钢、合金钢无缝钢管管号表DN外径Sch5SSch10SSch20SSch40SSch80SSTD15181.622.93.620251.622.9425321.62.93.24.532381.62.93.6540451.62.93.6550571.62.93.245.6657623.24.557.1808923.24.55.6810010823.256.38.81251332.93.656.3101501592.93.65.67.1112002192.946.3812.562502733.646.38.812.5630032544.56.31012.563503774581264004264581274504804581475005305610168600630661018870072067122088008207812229900920891425101000102091014281212001220121400142014160016201418001820162000202016碳钢、合金钢、不锈钢焊接钢管管号表XSXX686879798108119121013111512161314151616
