Hey guys i have been searching on how to clean/prep an aluminum engine oil pan for welding. i am using S.S. brushes but they only get in certain crevices and once you heat the part up that oil just comes right through the cracks and contaminates the weld. i have tried the acid cleaner for coils but ...

what area are you from? i talked to someone in Houston and they have a shortage too. Nasa has some kind of project going on and they were buying all the helium from the surrounding area. Tri-matheson, Airgas, and others were getting complaints from there customers as they had no helium.

New to this forum and wanted to say hi to everyone. i have been welding stick and oxy torch welding for many years and i now finally got my first tig welder. i am planning on welding thin aluminum for now and then get a bigger machine for thicker material. i have been practicing for a good couple of...