鍍鋅管相關資料 鋼管重量計算公式:[(外徑-壁厚)*壁厚]*0.02466=kg/米(每米的重量) 規格外徑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 公稱內徑（毫米）英寸DN151/221.3 2.82.451.287.681.3578.14DN203/426.92.82.451.669.961.7610.56DN25133.73.22.82.4114.462.55415.32DN321.2542.43.53.063.3620.163.5621.36DN401.548.33.53.063.8723.224.1024.60DN50260.33.83.3255.2931.745.60733.64DN652.576.14.03.57.1142.667.53645.21DN80388.94.08.3850.288.8853.28DN1004114.34.010.8865.2811.5369.18DN12551404.515.0490.2415.94298.65DN1506168.34.518.18109.0819.27115.62 DN200 8 219.1 6.0（焊管） 31.53189.18 DN2008219.1 6.5（熱鍍鋅） 36.12216.72 鍍鋅鋼管尺寸規格表 公稱口徑外徑壁厚鍍鋅管壁黑鐵管增加的重量系數MMMMMM普通鋼管加厚鋼管熱鍍鋅方管http://www.ww306.com/610.021.0641.059813.52.751.0561.0461017.03.501.0561.0461521.33.151.0471.03920 26.8 3.40 1.046 1.039http://www.ww306.com/