Carrying out welded repairs to the hull of a 100yr old steel barge, and having major problems with the weld gassing, if I try to weld using anything other than 2inch back step technique (in some areas this doesnt work either). I am using a 376amp, mig set, with 1mm wire and Ar/Co2 gas.
I feel...
Hi
Having problems welding 10mm plates to bottom of the hull of a 100yr old dutch barge. Using a 376amp 3 phase mig, with 1mm wire, and Ar/Co5% gas.
Problem seems to be linked to corrosion, within the rivetted joint, adjacent to the area where we are trying to weld. This is causing gassing of...