Welder Qualification for TKY joints AWSD1.1 E2015 Table 9.13

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Topic Welding Industry / Technical Discussions / Welder Qualification for TKY joints AWSD1.1 E2015 Table 9.13

By Baraneedharan Date 10-02-2019 06:45

In Table 9.13 it is given that 6G welders with or without backing shall weld PJP of TKY joints,while only 6GR welders shall weld CJP of TKY joints.My doubt is "If a TKY joint root is welded with a 6GR welder can 6G continue the subsequent passes considering the root as backing weld and PJP?

By Steelslinger (**)

Date 10-02-2019 13:27

AWS makes no distinction of weld depth limitation/qualifications like other codes, so multiple welders performing welding on one joint is a gray area at best.

The weld would still technically be classified as a CJP, therefore I would say no, not allowable.

It would really come down to having a written procedure and having it approved by the Engineer of Record (EOR). If they agree with it, then its allowable.

Topic Welding Industry / Technical Discussions / Welder Qualification for TKY joints AWSD1.1 E2015 Table 9.13