Welding in a floor patch??
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Welding in a floor patch??
Well this past winter took a tool on my 79 sb, a truck that never had any rust (Calif.) to now a hole the size of half a dollar bill in the right floor pan . And that's because I can't keep my gruby paws from scraping it. My question is I have access to stainless sheet stock and our welder has stainless wire in it (work at a food plant) so is this the better choice or would it be better to use regular metal? What I mean would this be considered dis-similiar metals?
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From: nor cal
if your just patching it up then yeah, i'd go with the stainless.. clean up the hole with some your choice of grit depending how bad it is, use a lil rust off.. patch, grind and paint with some rustoleum paint..
Last edited by FordmanShane; May 25, 2010 at 07:52 PM. Reason: spelling
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Sweet!! I just cut out my section and I'm gringing on the surrounding areas but did they use brown primer for these trucks?? And it's kinda gummy, is that normal??
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From: West Virginia
once you replace the metal the biggest problem areas are gonna be your welds and the sheetmetal on either side, since you just replace the patch, so I'm not sure using stainless is that big of a deal... I dunno. I've always heard you can weld mild to stainless, but the weld won't be stainless (obviously).
If you have it, I can't think of any compelling reason not to use it, though.
If you have it, I can't think of any compelling reason not to use it, though.
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once you replace the metal the biggest problem areas are gonna be your welds and the sheetmetal on either side, since you just replace the patch, so I'm not sure using stainless is that big of a deal... I dunno. I've always heard you can weld mild to stainless, but the weld won't be stainless (obviously).
If you have it, I can't think of any compelling reason not to use it, though.
If you have it, I can't think of any compelling reason not to use it, though.
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I don't get what you are saying?? The weld itself will be stainless because the wire we use in the welder is stainless so the weld itself will be stainless.
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Welding is heating 2 pieces of metal to their melting point. As they melt, you introduce a third piece of metal (the rod, or wire) to the joint, which is also melted instantly and fuses the two pieces together. The final weld will be a combination of the metal of the first piece, the metal of the 2nd piece, and the wire used in the welder.
As long as mild steel is part of the equation, the weld will not be stainless. Thats what I'm saying.
As long as mild steel is part of the equation, the weld will not be stainless. Thats what I'm saying.
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Welding is heating 2 pieces of metal to their melting point. As they melt, you introduce a third piece of metal (the rod, or wire) to the joint, which is also melted instantly and fuses the two pieces together. The final weld will be a combination of the metal of the first piece, the metal of the 2nd piece, and the wire used in the welder.
As long as mild steel is part of the equation, the weld will not be stainless. Thats what I'm saying.
As long as mild steel is part of the equation, the weld will not be stainless. Thats what I'm saying.
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From: nor cal
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From: nor cal
hell try it and come back to us lol
im pretty sure you will be alright welding pure to mixture.
if in doubt your best man to talk about welding would be 73 ford guy, im doing the same thing he did in that forum... but im leaving the bed on, i bounced a few ideas off this guy and he came back with great answers..
im pretty sure you will be alright welding pure to mixture.
if in doubt your best man to talk about welding would be 73 ford guy, im doing the same thing he did in that forum... but im leaving the bed on, i bounced a few ideas off this guy and he came back with great answers..
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I would be concerned with stress fatigue and cracking of the Stainless steel. SS doesn't like to flex and being on the floorboard with frame twist, cab twist other things are I could see the welds eventually being compromised.
Not to mention the galvanic corrosion that will occurr over time between the two metals.
What grade of welding wire do you have? It will make a difference in how well the welds hold up over time and not just anything will work.
Josh
Not to mention the galvanic corrosion that will occurr over time between the two metals.
What grade of welding wire do you have? It will make a difference in how well the welds hold up over time and not just anything will work.
Josh
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