常用材料导管压力与壁厚对照表.doc

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1、(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PNMPaDN101520253240506580100125150200250300350400450500600 2012CrMo15CrMo12Cr1MoV≤1.62.533333.53.544444.556778889 2.52.533323.53.544444.5567788910 4.02.533333.53.5444.555.57891011121

2、315 6.43333.53.53.544.55678911121416171922 10.033.53.544.54.556789101315182022    16.044.555667891113151924263034    20.044.55667891113151822283236     4.0T3.5444.5555.5              10Cr5Mo≤1.62.533333.53.544.5444.55.57788889 2.52.533333.53.544.5454.55

3、.5778991012 4.02.533333.53.544.555.5689101112141518 6.43333.5444.555.57891113141618202226 10.033.5444.555.578910121518222426    16.044.5556789101215182228323640    20.044.5567891112151822263438      4.0T3.5444.5555.5              16Mn15MnV≤1.62.52.52.53

4、3333.53.53.53.544.555.566667 2.52.52.52.533333.53.53.53.544.555.567789 4.02.52.52.533333.53.544.5567889101112 6.42.53333.53.53.544.556789111213141618 10.0333.53.5444.5567891113151719    16.03.53.544.555678911121619222528    20.03.544.555.567891113151924

5、2630     (二)无缝不锈钢管壁厚                          mm材料PNMPaDN1015202532405065801001251502002503003504004505006001Cr18Ni9Ti含Mo不锈钢≤1.02222.52.52.52.52.52.5333.53.53.5444.5   1.622.52.52.52.52.5333333.53.544.555   2.522.52.52.52.52.53333.53.544.55667   4.022.5

6、2.52.52.52.5333.544.55678910   6.42.52.52.53333.544.5567810111314   4.0T33.53.54444.5               （三）焊接钢管壁厚                           mm材料PNMPaDN20025030035040045050060070080090010001100120014001600焊接碳钢管（Q235A20）0.2555555556666667770.65566666777788891

7、01.05566677889910111112 1.6667788910111213141516  2.57899101112131516      焊接不锈钢管0.2533333.53.53.54444.54.5    0.6333.53.53.5444.55566    1.03.53.544.54.555.56778     1.644.5566778910      2.556789910121315