产品规格重量(kg)数量材料钢支撑（喷漆、电镀）2900x1.6mminnerthread8.302300/20'ftQ235steel3300x1.6mminnerthread9.131900/20'ft3500x1.6mminnerthread9.631900/20'ft3700x1.7mminnerthread10.531900/20'ft3900x1.6mminnerthread10.431750/20'ft3900x1.7mminnerthread11.191750/20'ft4200x1.6mminnerthread10.901500/20'ft5000x1.8mminnerthread26.40800/20'ft3500x1.6mmouterthread10.001900/20'ft3900x1.8mmouterthread12.251750/20'ft3900x1.6mmouterthread10.501750/20'ft3900x1.7mmouterthread12.151750/20'ft3500x3.5mmouterthread18.401300/20'ft3000x2.0mmouterthread11.801800/20'ft3900x3.0mmouterthread18.501300/20'ft)