小管D类角焊缝射线照相检验

Radiographic examination for category D small diameter corner welded joints

对于小管D类角焊缝射线照相检验,一般标准和参考书中没有对此项内容的规定和描述。该检验方法可用于一些特殊场合,虽然射线照相底片质量很难达到标准要求,但如果操作合理也可以达到较好的检验效果。本文根据对产品的射线照相检验,总结出一些小管角焊缝射线照相检验的经验。

Usually, the radiographic examination for category D small diameter comer welded joints are not mentioned and described in the standards and reference books. This examination method can be used in special cases. Although the quality of radiograph is difficult to comply with the standards, it also can find most of the defects if the operations are suitable. This paper describes the examina- tion for the products. We also get some experiences for radiographic examination for category D small diameter crner welded joints.