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螺旋風管銷售熱線:0757-8679-7137

螺旋風管加工焊前準備?

  • 點擊數:351

1、螺旋風管根據其厚度,可采用機械加工、等離子孤切割、碳弧氣刨等方法進行下料加工坡口。

2、同時,為防止飛濺金屬造成傷害,在使用碳弧氣刨、開坡口、手工電弧焊時,應在坡口兩側涂抹石灰粉。

3、若坡口形式應采用V形坡口,需采用較小的焊接電流,可防止不銹鋼產生應力腐蝕。

4、為了滿足接頭的相同性能,應遵循“等成分”原則進行焊接。

5、應采用嚴格的定位焊,并遵循短而厚、焊接不透明的原則。

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