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缝焊管的检验方法以及用途

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【 发布于:2018-04-24 13:34:37 】


直缝焊管为焊接钢管中的一种。焊接钢管指的是用钢带切割成钢条,然后用磨具加工成管状,最后用焊机接着将一条管缝进行焊接。在介绍直缝焊管的检验方法及用途之前,先简单的说一下焊接钢管的种类与应用有哪些?

The straight welded pipe is one of the welded pipes. Welded steel pipe refers to cutting steel strips with steel strips, and then processing them into tubes by grinding tools. Finally, a pipe seam is welded with a welding machine. Before introducing the inspection method and application of the longitudinal welded pipe, let's briefly talk about the types and applications of welded steel pipes.

焊接钢管在种类上如果按照焊缝形式那么可以分为直缝焊管和螺旋焊管,如果按照焊管用途来分类的话可以分为一般焊管、镀锌焊管、汽车用管、螺旋焊管等等,除此之外,还可以按照焊管的断面形状来进行分类,那么可以分为简单断面钢管和复杂断面钢管,简单断面钢管有方管、圆管等等;复杂断面含有不等边六角形钢管、双凸形钢管等等。

济南镀锌管

If the welded pipe can be divided into straight welded pipe and spiral welded pipe in the form of weld, it can be divided into general welding pipe, galvanized pipe, automobile pipe, spiral welded pipe and so on. In addition, it can be classified according to the shape of welded pipe. For the simple section steel pipe and the complex section steel pipe, the simple section steel pipe has the square tube, the circular pipe and so on, the complex section contains the hexagonal steel pipe, the double convex steel tube and so on.

济南镀锌管在检验方法上主要采用物理检验,利用一些物理现象来检测焊管是否能够达到要求。那么可以采取的方法有磁力检验,不过磁力检验只可用来检验焊管表面和近表面的缺陷;渗透检验可以用来检验磁性和非磁性材料的表面是否含有缺陷;射线探伤的方法主要用来检测焊管内部是否含有裂纹、气孔等缺陷。

The inspection method of Ji'nan galvanized pipe mainly adopts physical examination. Some physical phenomena are used to check whether the welded pipe can meet the requirements. Then the magnetic test can be used, but the magnetic test can only be used to test the defects of the surface and the near surface of the welded pipe; the permeability test can be used to test the defects of the surface of the magnetic and nonmagnetic materials; the ray flaw detection method is mainly used to detect the defects in the welded pipe or not.

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