The method of distinguishing fake and inferior non-standard straight seam welded steel pipe

The quality of non-standard straight seam welded steel 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 steel pipe, how can we buy high-quality non-standard steel pipe What about straight seam welded steel pipes? So today, the non-standard longitudinally welded steel pipe factory will talk about the method of identifying fake and inferior non-standard longitudinally welded steel pipes. You can learn about it.

First of all, we can distinguish the quality of the non-standard longitudinally welded steel pipe through the appearance of the non-standard longitudinally welded steel pipe. If the surface of the non-standard longitudinally welded steel pipe has a pockmarked surface and is not smooth, then the quality of such a steel pipe is relatively poor. of. And when purchasing, you should also pay attention to observing whether there are scratches or cracks on the surface of the non-standard longitudinally welded steel 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 look at the cross-section of the non-standard longitudinally welded steel pipe. If the cross-section is uneven, it is the inferior non-standard longitudinally welded steel pipe.