Thread: MIG or TIG?

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Originally Posted by 61bone

When I do use moly, guess what. Out comes the OA It is faster than a Tig and I think does nicer welds. One thing it has over Tig is preheat takes care of itself.

4130 Chromoly was actually developed for the aircraft industry and was formulated to be fairly easy to gas weld(OA). All this was done before TIG was even developed.

It's a shame that the local VoTech welding program doesn't even teach gas welding anymore. Just another skill that's going the way of dinosaurs like me.

Mike

It's been years since I used stick or OA. I've never used a TIG. All my stuff has been MIG in the last 10 years or more. Just haven't had a need for it.

Not much welding going on in my cubicle... I also simply don't trust my own skill for structural stuff. I would have to do it a lot more often for that. Body panels/skins are one thing, a chassis is quite another.

Cheers,
Dutch

Our mig is our workhorse. My Son just feels very comfortable with it. The tig I got him two Xmas' ago just sits because he is so busy building his car he doesn't have time to spend learning to use it.

I think that generally Mig is a faster process where you are making lots of long welds, and Tig is a neater (perhaps stronger) process for those things you want to look super pretty.

At some point our Tig may be used more and more (I hope )

Don