g国标镀锌钢管标准壁厚

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1、市场国标镀锌钢管标准壁厚镀锌钢管国家标准壁厚规格DN(mm)外径壁厚(mm)支/件20.5*1.820.501.8012720.5*1.920.501.9012720.8*2.020.802.0012720.8*2.120.802.1012720.8*2.220.802.2012720.8*2.320.802.3012721.3*2.8(Ⅱ)21.302.4012721.3*2.8(Ⅰ)21.302.6012721.3*2.821.302.8012726*1.826.001.809126*1.926.001.909126.3*2.02

2、6.302.009126.3*2.126.302.109126.3*2.226.302.209126.3*2.326.302.309126.9*2.8(Ⅱ)26.902.409126.9*2.8(Ⅰ)26.902.609126.9*2.826.902.809133*2.233.002.206133*2.333.002.306133*2.433.002.406133*2.633.002.606133.7*3.2(Ⅱ)33.702.806133.7*3.2(Ⅰ)33.703.006133.7*3.233.703.206141.8*2.54

3、1.802.503741.8*2.841.802.803742.4*3.5(Ⅱ)42.403.003742.4*3.5(Ⅰ)42.403.253742.4*3.542.403.503747.5*2.547.502.503747.5*2.847.502.803748.3*3.5(Ⅱ)48.303.003748.3*3.5(Ⅰ)48.303.253748.3*3.548.303.503759.5*2.559.502.503759.5*2.859.502.803759.5*3.059.503.003760.3*3.8(Ⅲ)60.303.25

4、3760.3*3.8(Ⅱ)60.303.403760.3*3.8(Ⅰ)60.303.603760.3*3.860.303.803774.8*2.874.802.801974.8*3.074.803.001974.8*3.2574.803.251976.1*4.0(Ⅱ)76.103.601976.1*4.0(Ⅰ)76.103.801976.1*4.076.104.001987.5*2.887.502.801987.5*3.087.503.001987.5*3.2587.503.251988.9*4.0(Ⅱ)88.903.601988.9

5、*4.0(Ⅰ)88.903.801988.9*4.088.904.0019113*2.8113.002.8019113*3.0113.003.0019113*3.25113.003.2519114.3*4.0(Ⅱ)114.303.6019114.3*4.0(Ⅰ)114.303.8019114.3*4.0114.304.0019139*3.0139.003.007139*3.25139.003.257139.7*4.0(Ⅱ)139.703.607139.7*4.0(Ⅰ)139.703.807139.7*4.0139.704.007139

6、.7*4.25139.704.257139.7*4.5139.704.507164*3.25164.003.257164*3.5164.003.507164*3.8164.003.807165*4.5(Ⅱ)165.004.007165*4.5(Ⅰ)165.004.207165*4.5165.004.507168.3*4.5(Ⅱ)168.304.007168.3*4.5(Ⅰ)168.304.207168.3*4.5168.304.507219.1*4.0219.104.007219.1*4.5219.104.507219.1*5.021

7、9.105.007219.1*5.5219.105.507219.10*6.0219.106.007镀锌钢管国家标准壁厚