Pipe welding procedure - www.pipelinedubai.com
2021-9-23u2002·u2002Pipe welding procedure. Under the welded steel pipe from the top of the arc, from top to bottom all-position welding technique, the method of welding speed, weld appearance, good welding quality, you can save welding materials, reduce labor intensity, which is a common SMAW can not be compared and now more widely used in large-caliber long ...
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