What gauge sheet metal for rust repair
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Joined: Thu Mar 08, 2012 3:45 am Country: USA |
I can't remember what gauge cars use . I can get either 22 or 16 gauge . My car is a 1970 oldsmobile
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I think usually 18 gauge. 16 will work for flat floor patches but its harder to shape
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Settled In
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Joined: Thu Mar 08, 2012 3:45 am Country: USA |
Sorry I forgot to mention the rust I'm repairing is in the quarter panel and fenders. I googled this question before I posted it and I got answers from 14 gauge to 22.
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If you have a set of calipers you can measure the thickness of the existing metal and then order what you need. Here's some of the common gauges and corresponding thickness of sheet steel:
GA. Thickness 12 - 0.1046 13 - 0.0897 14 - 0.0747 15 - 0.0673 16 - 0.0598 17 - 0.0538 18 - 0.0478 19 - 0.0418 20 - 0.0359 21 - 0.0329 22 - 0.0299 1968 Coronet R/T
ACTS 16:31 |
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In the 1950s and 1960s they used 20 gage cold rolled steel for most of the outer panels, the roofs I believe are 19 gage, and I would be surprised if it isn't the same in the 1970s.
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Settled In
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Joined: Thu Mar 08, 2012 3:45 am Country: USA |
Thanks guys. I'm in the store now. 16 is too thick. So 22 it is. Looks a tad thin but for a small spot itll do.
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Heating shops that make the duct work for furnace air return will have the 20 gage, just don't get galvanized. If you do use the 22 gage be aware that it will burn thru just a little quicker while welding.
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