2002 (國標)結構用冷彎空心型鋼ASTM A500(美標)結構用碳素鋼冷成型圓截面和異形截面焊接鋼管和錐形鋼管EN10219-1-2006(歐標)非合金及細晶粒的冷成型焊接空心結構型材JISG3466(日標)一般構造用角型鋼管產品材質：Q235、Q345(16Mn)、20#、合金鋼、不銹鋼。產品用途：機械設備、太陽能設備、鋼結構用，杭州發票汽車部件、橋梁地樁、護欄、船舶內部結構用。矩形鋼管規格表：產品部分參數 (GB/T3094-2000)邊長/mm壁厚/mm截面面積/cm2理論重量/kg/M慣性矩/cm4截面模數/cm3403.54.903.8511.165.5845.494.5614.376.8456.985.4816.567.8767.555.9315.347.675047.095.5625.5610.2258.586.7329.8111.9369.957.8133.3513.34711.218.8036.2314.49812.359.7038.5115.4160510.588.3054.5718.19613.359.6961.8220.61714.0111.0068.0322.68815.5512.2173.2824.4370512.589.8790.2625.79614.711.58103.129.47716.8113.19114.532.72818.7514.72124.535.5780514.5811.44138.934.72617.1513.46159.739.93719.6115.39178.544.63821.9517.23195.448.85，

無錫錐形鋼管廠專業生產：錐形鋼管、不銹鋼錐形鋼管、Q235方矩管、錐形鋼管、Q345錐形鋼管、無縫方矩管、大口徑方矩管、厚壁方矩管、高頻雙焊縫方矩管、大口徑焊管、錐形鋼管以及各種鋼管，加工，管材成型加工，歡迎新老客戶前來洽談！