焊接钢管理论重量表
200631.52
250 6.542.64
镀锌钢管理论重量表
5.6 2.31504
5.6 3.68032
5.6 1.89952
5.67.47936
5.69.67568
5.614.36512
5.618.57968
5.622.79424
5.628.96768
5.639.41504
5.649.50624
5.664.4056
5.689.27744
5.6105.72016
5.6187.10272
5.6253.11104
5.2
6.968
5.28.996
5.213.36414.392 5.217.26418.592 5.221.16422.792 5.22
6.88428.952 5.236.60839.424 5.245.96849.504
5.259.864.4 5.282.88889.264 5.298.228105.784