spiral welded tube mill
Spiral welded pipe in the delivery of water, oil, gas and other transportation has played a significant role. With the planning and construction of a number of major domestic and foreign pipeline projects, the application of spiral welded pipe is more and more .In terms of transportation pipeline spiral welded pipe compared to straight welded pipe has a unique advantage.
一．Online inspection, quality assurance
二．High toughness, anti fatigue strength more than straight welded pipe
三．High output, daily output =5~8 straight seam welding equipment,
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