Can socket welding achieve double-sided formation with single-sided welding? Is this necessary?
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We are experiencing leaks during pressure testing of the socket welds. Can single-sided welding with double-sided formation prevent this issue?
The situation will improve a bit; at least full penetration can be ensured.
I’ve been practicing for a few days, but it doesn’t seem to be going well. Is this technique difficult?
TIG welding is used for the root pass to ensure full penetration.
In our company, for sizes of 1.5\" and below, socket welding is used; it involves fillet welds, and the welding process requires tungsten inert gas welding along with PT testing – there have never been any cases of defects.
Socket welding is the most prone to leaks, as welders consider it unimportant and just do a quick job on the surface. If you ask the welder to weld twice and ensure that there is enough weld metal, it prevents the need to redo the work in case of a leak, saving time and effort.
When I was on site, I noticed that the welders were welding on one side only, and there were also gaps