So dont use mig on the Diff. Theres no oil in the axle tubes as its the front diff.

Speedshield Argon 5/2 seems ok. Might be an Australian gas thing.

I was planning on only welding 3/4 inch at a time and letting fully cool.

Hi there Im thinking of welding my axle tube to the diff housing on a Dana 30 from a JK Jeep Wrangler. Its where the axle tube meets the cast diff case. Ive attached a pic of a damaged D30 axle and i have highlighted where i want to weld. (not the axle I want to weld!) Although there are rosette wel...