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Round Steel Pipes
Spiral welded pipe is also a kind of welded pipe equipment. Its strength is generally higher than that of straight welded pipe. It can produce welded pipe with bigger diameter with narrower blank and welded pipe with different diameter with the same width blank. However, compared with the straight seam pipe of the same length, the length of the weld increases by 30-100%, and the production speed is lower. Therefore, most of the smaller diameter welded pipes are welded by straight seam welding, while the larger diameter welded pipes are mostly welded by spiral welding.Spiral steel pipe production process: The spiral seam steel pipe is made of strip coil plate as raw material, often extruded at high temperature, and welded by automatic double-wire double-sided submerged arc welding process.
galvanized round steel pipes
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