專業生產無縫方管,無縫矩管,大口徑厚壁方矩管,焊接方矩管,600*600,500*500,400*400,300*300方管,600*500,500*400矩管,20#無縫方管,20#無縫矩管,Q345BQ345CQ345D無縫方管,Q345BQ345CQ345D無縫矩管Q345BQ345CQ345D焊縫方矩管,Q235B大口徑方管,Q235B大口徑矩管,304不銹鋼方矩管,熱鍍鋅方矩管,各種異型鋼管。
尺寸:30*30-600 * 600毫米
厚度:3-25毫米
材質:Q235B,Q345B,Q345C, Q345D,20#,ST37,ST44,ST52.,ASTM A53, ASTM A 10等
標準:GB/T3094-2000,GB/T6728-2002,JISG 3466等等
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