管道压力和壁厚对比表/钢管壁厚压力对比/焊接钢管壁厚对比表管道压力和壁厚对比表(一)无缝碳钢管壁厚 m m材料PNMPaDN101520253240506580100 125 150 200 250 300350400450500600 2012CrMo15CrMo12Cr1MoV≤1。62。5 33333.5 3.5 44444。556778889 2。52。5 33323。53。544444.5 567788910 4。02。5 33333.5 3。5444.5 55。57891011121315 6.43333。53。53.5 44.5 5678911121416171922 10.033。53。544。54。556789101315182022 16.044。555667891113151924263034 20。044。55667891113151822283236 4.0T3.5444.5 555。5 10Cr5Mo≤1。62.533333。53.5 44。5444。55.5 7788889 2.52.533333。53。544.5 454。55。5778991012 4.02.533333.5 3.5 44。555。5689101112141518 6。43333.5 444.5 55.5 7891113141618202226 10。033.5 444.5 55。578910121518222426 16。044。5556789101215182228323640 20.044。5567891112151822263438 4。0T3。5 444。5555.5 16Mn15MnV≤1。6 2.52。5 2。5 33333。5 3.53。5 3.544。5 55。5 66667 2。52.52.52。5 33333。5 3。5 3.53。5 44.555.567789 4.02。5 2.52.533333.53.544.5567889101112 6。42。5 3333。5 3.53.544。5 56789111213141618 10.0333.53。5 444。5 567891113151719 16.03.53。5 44。5 55678911121619222528 20。03。5 44。5 55.5678911131519242630 无缝不锈钢管壁厚 压力对比 （二)无缝不锈钢管壁厚 mm材料PNMPaDN101520253240506580100 125150200 250300350400450500 6001Cr18Ni9Ti含 Mo 不锈钢≤1.0 2222.52.52.5 2.5 2。52。5333。5 3.53.5444.5 1。622.52.5 2。5 2。5 2.5 333333。5 3.544.555 2。522。5 2。52。5 2。5 2.5 3333.5 3.544.55667 4.022.52.5 2.52。5 2.5 333。544.55678910 6.42。52。5 2.5 3333.5 44.5 567810111314 4.0T33。5 3。54444。5 焊接钢管壁厚对比表(三）焊接钢管壁厚 mm材料PNMPaDN20025030035040045050060070080090010001100120014001600焊接碳钢管（Q235A20）0。25 55555556666667770。6556666677778889101.05566677889910111112 1。6667788910111213141516 2.57899101112131516 焊接不锈钢管0。25 33333。5 3。5 3.54444。5 4。5 0。6333.53.53。5 444。5 5566 1。03。5 3。5 44。5 4。5 55.56778 1。644。5 566778910 2.556789910121315
