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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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螺旋縫埋弧焊鋼管加工廠家

日期:2020-05-31

螺旋鋼管的出產工藝可以分為冷拔與熱軋兩種,冷軋螺旋鋼管的出產流程通常要比熱軋要雜亂,管坯首先要進行三輥連軋,揉捏后要進行定徑測驗,假如外表沒有呼應裂紋后圓管要通過割機進行切開,切開成長度約一米的坯料。然后進入退火流程,退火要用酸性液體進行酸洗,酸洗時要注意外表是不是有很多的起泡發作,假如有很多的起泡發作闡明鋼管的質量達不到呼應的規范。

螺旋縫埋弧焊鋼管加工廠家

外觀上冷軋螺旋鋼管要短于熱軋螺旋鋼管,冷軋螺旋鋼管的壁厚通常比熱軋螺旋鋼管要小,可是外表看起來比厚壁螺旋鋼管愈加亮堂,外表沒有太多的粗糙,口徑也沒有太多的毛刺。熱軋螺旋鋼管的交貨狀況通常是熱軋狀況通過熱處理后進行交貨。

熱軋螺旋鋼管在通過質檢后要通過作業人員的嚴厲的手藝選擇,在質檢后要進行外表涂油,然后緊接著是屢次的冷拔實驗,熱軋處理后要進行穿孔的實驗,假如穿孔擴徑過大就要進行矯直糾正。在矯直后再由傳送設備傳送到探傷機進行探傷實驗,貼上標簽、進行規范編排后放置到到庫房傍邊。

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