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I Forge Iron

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Jon-  welding...

Been doing so, both arc and mig welding since I was 18yrs old. Now, 47! Lol.. a few tips?

Definately get your power source sorted out. Here in the states we run on a different Hertz cycle I believe... and 110v/220v but normally I'd run on a 20 amp circuit if possible. You run on 220v there correct?

Don't run on an extension cord if you can. I know it sounds dumb... but the shorter the electrical cord to the socket, the more amperage increase, less resistance, the better your circuit breaker will like it. I currently have a 110v mig that runs just fine on a 100ft extension cord in my shed. As long as I'm tack welding, or running very short welds. Any longer than an inch or so bead- and I'm blowing a breaker. Move to my garage, off the extension and I can weld all day.

Arc welder vs mig- be happy to start with the arc first. Challenge yourself to learn the method, and when you move to mig welding, you'll be so much more the better welder for it. You still have to use the same exact skills in mig welding, to get a good weld and fill. It's not just point and shoot. The only real skill difference is that you dont have to physically compensate for length of the rod burning, the mig automatically feeds it.

Later, when you have a mig... you'll understand the differences and limitations of each. And you'll have both machines already to do almost anything you need to. The penetration and fill you get from an 1/8" welding rod- will never completely match a .030 wire in comparison. Apples and oranges... (I've said that backwards- a larger, deeper burn and fill from arc weld than mig weld in one pass.)

Theres so much more, but nothing that patience, practice and time cant teach you. 

Good luck with a new skill!

Edited by Welshj
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  • 4 months later...

Hi all,

Not managed as much forging as I'd like, but Ive been steadily hammering away. I wish Id managed to keep these thread up to date- I may do a big photo dump of my progress at some point for anyone whos interested.

My latest project (well, actually, I tried and failed on this around 9 months ago, came back to it today and had a lot more success), I need some help from the curmudgeons please!

I finally got the weld to take on this hammer face- its a mystery steel welded to a wrought iron body.

The face and body werent perfectly size matched so I did try to do some blending once the weld was set.

Ive got these cracks/cold shuts/delamination (im not sure- most likely cold shuts from the attempt to blend) along 3 sides.

Can these be fixed? Will they close at a welding heat?






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