厚壁不銹鋼管常用規格
公稱口徑外徑壁厚鍍鋅管壁黑鐵管增添的重量系數mmmmmm通俗鋼管加厚鋼管610.021.0641.059813.52.751.0561.0461017.03.501.0561.0461521.33.151.0471.0392026.83.401.0461.0392533.54.251.0391.0323242.35.151.0391.0324048.04.001.0361.0305060.05.001.0361.0286575.55.251.0341.0288088.54.251.0321.027100114.07.001.0321.026125140.07.501.0281.023150165.07.501.0281.023