镀锌钢管的国标厚度及上下公差

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1、标准外径公差壁厚公差D<50±0.5mmS≤4mm±12.5%D≥50±1%4mm20mm±12.5%焊管及镀锌管重量表(按GB/T3091—2001标准执行)规格外径mm壁厚mm最小壁厚mm焊管（6米定尺）镀锌管(6米定尺）米重kg根重kg米重kg根重kg公称内径英寸DN151/221.32.82.451.287.681.3578.14DN203/426.92.82.451.669.961.7610.56DN25133.73.22.82.4114.462.55415.32DN321.2

2、542.43.53.063.3620.163.5621.36DN401.548.33.53.063.8723.224.1024.60DN50260.33.83.3255.2931.745.60733.64DN652.576.14.03.57.1142.667.53645.21DN80388.94.08.3850.288.8853.28DN1004114.34.010.8865.2811.5369.18DN12551404.515.0490.2415.94298.65DN1506168.34.518.18109.0819.27

3、115.62DN2008219.16.0（焊管）31.53189.18DN2008219.16.5（热镀锌）36.12216.7更多镀锌管知识请参考:http://www.sdzlgy.com 6回答者：qinghe5211 规格外径mm壁厚mm最小壁厚mm焊管（6米定尺）镀锌管(6米定尺） 米重kg根重kg米重kg根重kg公称内径英寸 DN151/221.32.82.451.287.681.3578.14 DN203/426.92.82.451.669.961.7610.56 DN25133.73.22.82.4114.4

4、62.55415.32 DN321.2542.43.53.063.3620.163.5621.36 DN401.548.33.53.063.8723.224.1024.60 DN50260.33.83.3255.2931.745.60733.64 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 D

5、N1506168.34.5 18.18109.0819.27115.62 DN2008219.1 6.0（焊管）  31.53189.18   DN2008219.1 6.5（热镀锌）   36.12216.72国标镀锌管规格、国标镀锌管现货 天津市兴华钢管物资有限公司                                                                                www.tjxhgs.com联系电话：022-26628023   13803024088规格外径m

6、m壁厚mm最小壁厚mm焊管（6米定尺）镀锌管(6米定尺） 米重kg根重kg米重kg根重kg 公称内径英寸 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 DN50260.33.83.3255.2931.745.60

7、733.64 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以上资源由天津兴华钢管有限公司提供！北京进货：壁厚333.253.253.53.93.94