marknotgeorge
Hol den Vorschlaghammer!
- Location
- Derby.
I have been teaching myself how to MIG weld over the last few weeks. It has taken a while to get all the bits together (auto mask, the right grinding and cutting disks, a local source of cheap CO2, regulator, flow meter etc etc
Here is a test piece I put together last night
I need to figure out what is causing the browning (oxidising) on top of the weld (too much shield gas or not enough) 40mm x 20mm x 2mm wall mild steel practice tubing
The oxidation could be caused by the angle of your torch, or the shroud is full of crap, giving poor coverage. CO2's not the best gas to use - I got a good deal on a bottle of Argoshield Light from BOC through a contact on the Volksworld website, I think. And that steel doesn't look too clean. MiG is the prince of welding, it likes shiny...