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歡迎來到鹽山昱通螺旋鋼管實體生產企業!

服務熱線:

139-0327-6700

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0317-5760336

昱通管道

鹽山昱通管道

專業生產銷售大口徑厚壁國標螺旋鋼管,廠內加工防腐/保溫/涂塑

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首頁 > 銷售網絡 > 遼寧螺旋鋼管廠家 > 朝陽螺旋鋼管廠家

朝陽螺旋鋼管廠家

日期:2022-03-07

螺旋鋼管主要應用于自來水工程作氣體輸送用:煤氣空氣和蒸汽等一般低壓流體輸送用埋弧焊鋼管。當前市場上螺旋鋼管的偏差值和負差值通常是0.5mm其中也會有一些廠家為了增加市場的競爭力或者適用于不同的領域,也有負差比較大的。但不會超過1mm。螺旋鋼管在出廠之前應做機械性能試驗和壓扁試驗以及擴口試。成型前,帶鋼經過矯、剪邊、刨邊,表面清理輸送和予彎邊處理。

朝陽螺旋鋼管廠家

采用電接點壓力表控制輸送機兩邊壓下油缸的壓力,確保了帶鋼的穩輸送。采用外控或內控輥式成型。采用焊縫間隙控制裝置來保證焊縫間隙滿足焊接要求,管徑,錯邊量和焊縫間隙都得到嚴格的控制。內焊和外焊均采用美國林肯電焊機進行單絲或雙絲埋弧焊接,從而獲得穩定的焊接規范。

焊縫經過在線連續超聲波自動傷儀檢查,保證了100%螺旋焊縫無損檢測覆蓋率。國標螺旋焊接鋼管采用空氣等離子切割機將鋼管切成單根。

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