无缝钢管 直缝钢管承压能力和壁厚对比表（一）无缝碳钢管壁厚 材质PNMPaDN10 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 60020 ≤1。62.5 33333。53。544444.5567788892.5 2.5 33323。53.5 44444。55677889104。02。533333。53。5444。555。578910111213156。4333 3.53。53。544。5567891112141617192210.03 3.53。544。54.5 5678910131518202216。044。55566789111315192426303420。04 4.5 56678911 131518222832364。0T3。5444。5555。510≤1。62。53333 3.5 3.5 44。5444.55。577888892。5 2.5 3333 3.5 3.5 44。5454。55。57789910124.02。53333 3.53。54 4.555。56891011121415186。4333 3.5 444。55 5.5789111314161820222610。033。5444。555。57891012151822242616.044。555678910 121518222832364020.04 4.5 5678911 12 1518222634384。0T3。544 4.5 55 5.5 16Mn ≤1。 2.5 2。 2。33333.5 3。 3。 3.5 4 4。 55.566667 16Mn6555552。52。52.52。533333。53。53。53。544。555.5677894。02。52。52.533333。53.544.5 56788910 11 126。4 2.53333。53。53。544。55678911 12 13 14 16 1810。0 333。53。5444。55678911 13 15 17 1916。03。53。544.555678911 12 16 19 22 25 2820.03。544。555.5678911 13 15 19 24 26 30直缝钢管壁厚对比表材料PNMPaDN200 250 300 350 400 450 500 600 700 800 900 1000 1100 1200 1400 1600焊接碳钢管（Q235A20）0。2555555556666667770.6556666677778889101。055666778899101111121。6667788910 11 12 131415162。5789910 11 12 13 15 16焊接不锈钢管0.2533333。53。53。54444.5 4.50。6333。53。53.5444。555661。0 3.53。544.5 4.555。567781。644。55667789102。556789910 12 13 15
