鍍鋅鋼管的國標厚度和米重及最小壁厚.doc

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1、規(guī)格外徑mm壁厚mm最小壁厚mm焊管（6米定尺）鍍鋅管(6米定尺）?米重kg根重kg米重kg根重kg公稱內(nèi)徑英寸?DN151/221.32.82.451.287.681.3578.14?DN203/426.92.82.451.669.961.7610.56?DN25133.73.22.82.4114.462.55415.32?DN321.2542.43.53.063.3620.163.5621.36?DN401.548.33.53.063.8723.224.1024.60?DN50260.33.83.32

2、55.2931.745.60733.64?DN652.576.14.03.57.1142.667.53645.21?DN80388.94.0?8.3850.288.8853.28?DN1004114.34.0?10.8865.2811.5369.18?DN12551404.5?15.0490.2415.94298.65?DN1506168.34.5?18.18109.0819.27115.62?DN2008219.1?6.0（焊管）??31.53189.18???DN2008219.1?6.5（熱鍍鋅）?

3、??36.12216.72