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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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水利工程用螺旋鋼管生產廠家 探傷焊接

日期:2022-11-13

水利工程用螺旋鋼管一般為口徑比較大的螺旋鋼管,因為單位時間內水通過量大,能夠大大提升工作效率。由于螺旋鋼管內壁不斷受到水的沖刷因此內壁一般不做防腐處理,但是外部一般為架空形式出現,因此需要做好防腐應對雨水沖刷和太陽的暴曬,因此對防腐涂料要求較高。

水利工程用螺旋鋼管做防腐前應該將鋼管表面進行噴砂處理,等級達到st2.5級。噴砂好后第一時間涂覆防腐底漆,防腐底漆一般為含鋅量70%及以上的環氧富鋅漆,中間為環氧云鐵漆,最外層則為抗氧化和腐蝕的聚氨酯漆。

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