[TheForge] welding 1 1/2" square

Thu Jan 24 09:12:00 2002

Absolutely!! What you need to do is grind in a "weld Prep". Chamfer the ends
of each side of the butt joint. When you go to make the weld, not actually
butt the ends together. Leave a gap, less than an 1/8" and then put in a
root pass. The gap will improve your chances of good solid root pass fusion.
Then put in your cover passes until you have enough material to grind back
the surface for finishing. Or if esthetics is secondary, put in a nice final
cover pass and your good to go.

Ray Miller
Cincinnati, Ohio 4

http://www.casealum.org/alumnuswinter2001/page6.htm

http://www.uc.edu/profiles/rmiller.htm

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-----Original Message-----
From: RW [mailto:[email protected]]
Sent: Thursday, January 24, 2002 8:32 AM
To: [email protected]
Subject: [TheForge] welding 1 1/2" square

Is it possible to butt weld 1 1/2" solid mild steel with a 230 amp max., AC
220v welder?
It does not need to be a "structural weld", just to hold a fireplace grate
frame together.
I tried it with a #7 oxy/acet tip which is for 1 1/4" max and it is not much
better than if I had used chewing gum.
RW

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