Hi everyone, the pressure vessel body is about 300mm, welded with a narrow gap joint design. Can one-third, then two-thirds, and finally all welds be PAUT or UT tested?
(is true?)=Preheat is generally not necessary for the gouging process itself, which is primarily used for removing metal, not welding. However, in some cases, like when gouging thick sections of steel or brittle materials, or when the gouged area will be welded over later, preheating might be...
