Back-gouging
The removal of weld metal and base metal from the weld root side of a welded joint to facilitate complete fusion and complete joint penetration upon subsequent welding from that side.
Related Links
Back gouging | Article about back gouging
Back Gouging for Full Penetration Welds
Backgouging | American Welding Society Education Online
How common are Back Gouge welds in jobs today? : Welding
Plasma, waterjet and laser cutting systems from Hypertherm
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