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歡迎來到鹽山昱通螺旋鋼管實體生產企業!

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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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DN400螺旋鋼管價格每米價格

日期:2020-04-06

DN400螺旋鋼管產品合格應滿意以下幾個方面

DN400螺旋鋼管價格

1.DN400螺旋鋼管原材料即帶鋼卷,焊絲,焊劑。在投入前都要通過嚴厲的理化查驗。

2.DN400螺旋鋼管帶鋼頭尾對接,選用單絲或雙絲埋弧焊接,在卷成鋼管后選用主動埋弧焊補焊。

3.DN400螺旋鋼管成型前,帶鋼通過矯平、剪邊、刨邊,外表整理運送和予彎邊處理。

4.DN400螺旋鋼管選用電接點壓力表操控運送機兩頭壓下油缸的壓力,確保了帶鋼的平穩運送。

5.DN400螺旋鋼管選用外控或內控輥式成型。

6.DN400螺旋鋼管選用焊縫空隙操控設備來確保焊縫空隙滿意焊接要求,管徑,錯邊量和焊縫空隙都得到嚴厲的操控。

7.DN400螺旋鋼管內焊和外焊均選用美國林肯電焊機進行單絲或雙絲埋弧焊接,然后取得安穩的焊接質量。

8.DN400螺旋鋼管焊完的焊縫均通過在線接連超聲波主動傷儀查看,確保了100%的螺旋焊縫的無損檢測覆蓋率。若有缺點,主動報警并噴涂標記,出產工人依此隨時調整工藝參數,及時消除 DN400螺旋鋼管缺點。

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