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1820螺旋鋼管
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名稱 規格(直徑*壁厚) 材質 長度(米) 標準 理論重量(Kg/米) 單價(元/噸)
1820*7螺旋鋼管 1820*7mm Q235B 12 國標 312.96Kg/米 4750元/噸
1820*16螺旋鋼管 1820*16mm Q235B 12 國標 711.786Kg/米 4500元/噸
1820*10螺旋鋼管 1820*10mm Q235B 12 國標 446.346Kg/米 4500元/噸
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