Gentlemen,
Thank you for the prompt and helpful replies.
mfgenggear- Has helped me remember that we would grind a bevel into the area to be welded, to reduce the available carbon in the bead.
kingnero- May be correct about the preheat temperature. 350-400F does seem more realistic, the 800F was...
For about 30 years, I have been working on M-1 and M1A rifles. One of the tasks is to weld a recoil lug onto the rear of the receiver. I had a certified welder and he developed the process with the assistance of the Metallurgy Department at his day job. He commented on the process several...