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1、常用公称压力下管道壁厚选用表材料PNMPaDN101520253240506580100 125 150200250300350400 450 500 60020 12CrMo 15CrMo12Cr1MoV1.6 2.5 33333.5 3.5 44444.5567788892.5 2.5 33323.5 3.5 44444.55677889104 2.5 33333.5 3.5 444.5 55.578910111213156.4 3333.5 3.5 3.5 44.5 567891112141617192210 33.5 3.5 44.5 4.5 5678910131518202216 4

2、4.5 5566789111315192426303420 44.5 56678911131518222832364.0T 3.5 444.5 555.5 10Cr5Mo1.6 2.5 33333.5 3.5 44.5 444.55.577888892.5 2.5 33333.5 3.5 44.5 454.55.57789910124 2.5 33333.5 3.5 44.5 55.5 6891011121415186.4 3333.5 444.5 55.5 789111314161820222610 33.5 444.5 55.5 7891012151822242616 44.5 55678

3、910121518222832364020 44.5 5678911121518222634384.0T 3.5 444.5 555.5 16Mn 15MnV1.6 2.5 2.5 2.5 33333.5 3.5 3.5 3.5 44.555.5666672.5 2.5 2.5 2.5 33333.5 3.5 3.5 3.5 44.555.5677894 2.5 2.5 2.5 33333.5 3.5 44.5 5678891011126.4 2.5 3333.5 3.5 3.5 44.5 5678911121314161810 333.5 3.5 444.5 5678911131517191

4、6 3.5 3.5 44.5 5567891112161922252820 3.5 44.5 55.5 678911131519242630材料PNMPaDN101520253240506580100 125 150200250300350400 450 500 6001Cr18Ni9Ti含Mo不锈钢1.0 2222.5 2.5 2.5 2.5 2.5 2.5 333.53.53.5444.5 1.6 22.5 2.5 2.5 2.5 2.5 333333.53.544.5552.5 22.5 2.5 2.5 2.5 2.5 3333.5 3.5 44.556674 22.5 2.5 2.5

5、2.5 2.5 333.5 44.5 56789106.4 2.5 2.5 2.5 3333.5 44.5 5678101113144.0T 33.5 3.5 4444.5 材料PNMPaDN200 250 300 350 400 450 500 600 700 800 900 1000 1100 1200 1400 1600焊接碳钢管（Q235A20）0.2555555556666667770.6 556666677778889101 55666778899101111121.6 6677889101112131415162.5 7899101112131516焊接不锈钢管0.2533333

6、.5 3.5 3.5 4444.5 4.50.6 333.5 3.5 3.5 444.5 55661 3.5 3.5 44.5 4.5 55.5 67781.6 44.5 5667789102.5 56789910121315材料PNMPaDN101520253240506580100 125 150200250300350400 450 500 60020 12CrMo 15CrMo12Cr1MoV1.6 2.5 33333.5 3.5 44444.5567788892.5 2.5 33323.5 3.5 44444.55677889104 2.5 33333.5 3.5 444.5 55.

7、578910111213156.4 3333.5 3.5 3.5 44.5 567891112141617192210 33.5 3.5 44.5 4.5 5678910131518202216 44.5 5566789111315192426303420 44.5 56678911131518222832364.0T 3.5 444.5 555.5 10Cr5Mo1.6 2.5 33333.5 3.5 44.5 444.55.577888892.5 2.5 33333.5 3.5 44.5 454.55.57789910124 2.5 33333.5 3.5 44.5 55.5 689101

8、1121415186.4 3333.5 444.5 55.5 789111314161820222610 33.5 444.5 55.5 7891012151822242616 44.5 55678910121518222832364020 44.5 5678911121518222634384.0T 3.5 444.5 555.5 16Mn 15MnV1.6 2.5 2.5 2.5 33333.5 3.5 3.5 3.5 44.555.5666672.5 2.5 2.5 2.5 33333.5 3.5 3.5 3.5 44.555.5677894 2.5 2.5 2.5 33333.5 3.

9、5 44.5 5678891011126.4 2.5 3333.5 3.5 3.5 44.5 5678911121314161810 333.5 3.5 444.5 567891113151719材料PNMPa16 3.5 3.5 44.5 5567891112161922252820 3.5 44.5 55.5 678911131519242630(二)无缝不锈钢管壁厚mm材料PNMPaDN101520253240506580100 125 150200250300350400 450 500 6001Cr18Ni9Ti含Mo不锈钢1.0 2222.5 2.5 2.5 2.5 2.5 2.5

10、 333.53.53.5444.5 1.6 22.5 2.5 2.5 2.5 2.5 333333.53.544.5552.5 22.5 2.5 2.5 2.5 2.5 3333.5 3.5 44.556674 22.5 2.5 2.5 2.5 2.5 333.5 44.5 56789106.4 2.5 2.5 2.5 3333.5 44.5 5678101113144.0T 33.5 3.5 4444.5 （三）焊接钢管壁厚mm材料PNMPaDN200 250 300 350 400 450 500 600 700 800 900 1000 1100 1200 1400 1600焊接碳钢管（

11、Q235A20）0.2555555556666667770.6 556666677778889101 55666778899101111121.6 6677889101112131415162.5 7899101112131516焊接不锈钢管0.2533333.5 3.5 3.5 4444.5 4.50.6 333.5 3.5 3.5 444.5 55661 3.5 3.5 44.5 4.5 55.5 67781.6 44.5 5667789102.5 5678991012131516Mn 15MnV常用公称压力下管道壁厚选用表材料PNMPaDN101520253240506580100125

12、15020025030035040045050060020 12CrMo 15CrMo12Cr1MoV1.6 2.533333.53.544444.5567788892.52.533323.53.544444.556778891042.533333.53.5444.555.578910111213156.43333.53.53.544.556789111214161719221033.53.544.54.5567891013151820221644.5556678911131519242630342044.556678911131518222832364.0T3.5444.5555.510Cr

13、5Mo1.6 2.533333.53.544.5444.55.577888892.52.533333.53.544.5454.55.577899101242.533333.53.544.555.56891011121415186.43333.5444.555.578911131416182022261033.5444.555.5789101215182224261644.55567891012151822283236402044.55678911121518222634384.0T3.5444.5555.516Mn 15MnV1.6 2.52.52.533333.53.53.53.544.55

14、5.5666672.52.52.52.533333.53.53.53.544.555.56778942.52.52.533333.53.544.55678891011126.42.53333.53.53.544.55678911121314161810333.53.5444.5567891113151719163.53.544.555678911121619222528203.544.555.5678911131519242630材料PNMPaDN1015202532405065801001251502002503003504004505006001Cr18Ni9Ti含Mo不锈钢1.02222.52.52.52.52.52.5333.53.53.5444.51.622.52.52.52.52.5333333.53.544.5552.522.52.52.52.52.53333.53.544.55667422.52.52.52.52.5333.544.556789106.42.52.52.53333.544.55678101113144.0T33.53.54444.5材料PNMPaDN2002503003504004505006007008009001000 1100 1200 1400 1600焊接碳钢管（Q23

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