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Author Topic: welding on m2 armor  (Read 5703 times)

FrankUSMC

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welding on m2 armor
« on: June 22, 2013, 06:04:39 PM »
I am not a welder. Stupid question. On my M2, some one cut a half moon into the armor piece that is above the ammo box.. The cut is about 5 inches long and about 4 inches deep. They just cut a notch into the armor. Can a patch be welded back in?
Thanks.
One of the few, Frank USMC RET
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spec4don

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Re: welding on m2 armor
« Reply #1 on: June 22, 2013, 09:32:32 PM »
The armor is only heat treated on one side. Your going to have to preheat the steel before you weld or it will crack.

Don G.
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1941 M2A1 not restored
1942 M3 Diamond T Mostly restored
1943 M3A1 Under restoration
1967 M51A2 Tractor
1945 WC 63 needs restoration
1967 M36 Long wheel base duece
1951 M135 GMC Fire truck conversion

yd328

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Re: welding on m2 armor
« Reply #2 on: June 24, 2013, 05:23:35 AM »
Don,
Good info, I have some cracked armor that I would like to weld up.

Frank,
Let us know how you make out. Like you I just weld my own stuff. I have also heard to use stainless wire.

Gary
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Mtn-Track

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Re: welding on m2 armor
« Reply #3 on: June 28, 2013, 10:33:12 AM »
Pre-heat the area, use 309L Stainless to weld it, then peen the weld with a needle-gun to relieve the stress before it cools.
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