The project position of welder qualification test for long transporting pipe depends on vertical down welding basically, which is namely fixed pipe with axis horizontal welding (5gx).

长输管道的焊工考试项目位置基本以向下焊为主，即水平固定全位置焊(5gx)。

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The whole procedure includes preparing steel strip and butt welding, forming and fixed position welding, pipe output and cutting, and final submerged arc welding.

其整个工艺包括带钢准备和对接、成型及定位焊、管子输出和切割和埋弧终焊。

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