小径管焊口未焊透深度射线检测特殊工艺

Special technology for Ray Detection about Incomplete Penetration Depth of the Small Diameter Pipe Welds

本文介绍了JB/T 4730.2-2005标准未能涵盖的、适用于在用压力管道的小径管焊口未焊透深度射线检测的一种特殊工艺,并配套设计了特殊的未焊透深度RT对比试块。

This paper introduces a kind of special technology which is not covered in JB/T 4730.2-2005 standard. The technology is suitable for ray detection about incomplete penetration depth of the small diameter pipe welds in service pressure pipe, and the matching specific RT reference block is designed.