This video is about stick welding an uphill outside corner joint in 1/4" (6mm) thick hot rolled steel.
I initially intended to just show a single pass weld as compared to a 2 pass weld but I ran into a few wrinkles so I thought I would show all the good, bad, and yes ugly.
You’ve probably read how aluminum needs to be really cleaned thoroughly before welding.
A lot of aluminum can be tig welded without doing a whole lot of cleaning it really depends on the application.
For general fabrication, often times a wipe with acetone or alcohol will do the trick if the me...
Overhead welding with a 7018 can be done at the same amperage used for flat or horizontal, or close to it. Set the machine hot enough so that it won't stick when you hold a tight arc, and then... hold a tight arc.