最新Speak English Like an American讲课稿演示教学.doc

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1、管道压力和壁厚对照表/钢管壁厚压力对照/焊接钢管壁厚对照表管道压力和壁厚对照表（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 4.02.533333.53.5444.555.5789

2、1011121315 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≤1.62.52.52.533333.53

4、.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    20.03.544.555.5678911131519242630       无缝不

5、锈钢管壁厚 压力对照 (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