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How to identify fake and inferior non-standard straight seam welded pipes

Views: 2     Author: Site Editor     Publish Time: 2022-04-13      Origin: Site

The quality of non-standard straight seam welded pipe is not only related to its service life, but also its use efficiency in the future, so when we buy non-standard straight seam welded pipe, how can we buy high-quality non-standard straight seam What about welded pipes? Then let's learn about the method of identifying fake and inferior non-standard straight seam welded pipes.


First of all, we can distinguish the quality of the non-standard longitudinally welded pipe by the appearance of the non-standard longitudinally welded pipe. If the surface of the non-standard longitudinally welded pipe has a pockmarked surface and is not smooth, then the quality of such a steel pipe is relatively poor. And when purchasing, you should also pay attention to observing whether there are scratches or cracks on the surface of the non-standard straight seam welded pipe. If this is the case, then the steel pipe must be an inferior product. And the fake and inferior steel pipes have no metallic luster, and their color will be light red or similar to pig iron. Secondly, we can also take a look at the cross-section of the non-standard straight seam welded pipe. If the cross-section is uneven, it is in the inferior non-standard straight seam welded pipe.


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