国标热镀锌钢管规格、尺寸理论重量表(共7页).doc

精选优质文档-倾情为你奉上镀锌管相关资料钢管重量计算公式:(外径-壁厚)*壁厚*0.02466=kg/米(每米的重量) 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（毫米）英寸DN151/221.32.82.451.287.681.3578.14DN203/426.92.82.451.669.961.7610.56DN25133.73.22.82.4114.462.55415.32DN321.2542.43.53.063.3620.163.5621.36DN401.548.33.53.063.8723.224.1024.60DN50260.33.83.3255.2931.745.60733.64