Eric_Phillips
Platinum Member
I am in the process of building some forks for my FEL. I am getting some undercutting when I weld the pieces together. Is this a technique thing or do I have it set too hot. I am using AC stick.
Thanks for the help. I have to admit I have no idea what the rod was I was using. I got the welder when my wife's uncle passed away and he had some rod laying around. It was in an opened package but with no identification on it and the rod itself had nothing stamped on it. That is all used up now and I do have some 6013 I bought. I will try going over the top with that to see if it helps.
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A good inbetween rod is the 7014. High tensile strength, super easy to weld, and medium penetration.
The 7014 is my favorite rod.
On my Miller Wildcat I run the 1/8" 7014 at 140 amps. The 3/32" works well at 90 amps.
Never use old and/or damp rods. Always keep the rods in a cool dry place, preferably in a sealed rod box/canister. The red or blue rod "tubes" are about $15.
The flux coating will wick up moisture and not weld correctly.