PU Spiral Tube characteristics: Longitudinal production process is simple, high production efficiency, low cost, rapid development. The strength of the high temperature pneumatic tube welded pipe is generally higher than the Longitudinal, can narrow the billet production of large diameter pipe, you can also use the same width of the billet production of different pipe diameters. However, compared with the same length of straight pipe seam weld length of 30 to 100%, and lower production rate. Therefore, smaller diameter pipe were powered by straight seam welded, large diameter spiral welded pipe for the most part.
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