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Old 09-24-2012, 04:26 PM   #1
Amoros
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Default Car sheet metal gauge question.

What gauge sheet metal do you use. Where do you buY it from?
Do you find that the gauge sheet metal varies a lot accross car years, or even car manufacturers?
The local steel place around here sells 18 gauge. Thats the thinest that they sell.
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Old 09-24-2012, 04:37 PM   #2
atomickustom
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Default Re: Car sheet metal gauge question.

18 gauge is fine for most American 1950s-1960s cars. I don't know about '30s-'40s cars. You would not want to go thinner. I've used 20-gauge (thinner) for small areas but that was for convenience. All my patch panels and such are 18-gauge.
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Old 09-24-2012, 04:37 PM   #3
houtex63
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Default Re: Car sheet metal gauge question.

thats usually it, unless you want something a little more pliable for complex shapes and such.
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Old 09-24-2012, 04:47 PM   #4
nmpontiac
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Default Re: Car sheet metal gauge question.

18 ga works fine, and there are various types you can get (depends on your supplier) AK steel (aluminum killed) is easier to shape, cold rolled is nice and clean, pickled and oiled is also nice and clean to work with. Just depends on how much shaping you want to do. There's lots of good sheet metal books out to help you from the start to more advanced projects.
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Old 09-24-2012, 04:53 PM   #5
Amoros
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Default Re: Car sheet metal gauge question.

Oh wow, didnt realize there was didn't type of sheet metal so if I wat to make a roof or trunk liswhat sheet metal do I use. Guessing the stuff around here is cold rolled steel.
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Old 09-24-2012, 05:23 PM   #6
5window
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Default Re: Car sheet metal gauge question.

I think a lot of Model A stuff was 19 gauge. Would not swear to it, though. It sure was good steel though.
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Old 09-24-2012, 05:26 PM   #7
Chris F100
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Default Re: Car sheet metal gauge question.

18 guage is what i've used - my local auto body supply house sells a 2x3 sheet for $27.....
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Old 09-24-2012, 05:30 PM   #8
squirrel
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Default Re: Car sheet metal gauge question.

I measured the metal on a few old cars, floors and inner structures tend to be around 18 gage, outer panels are more like 21 gage.
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Old 09-24-2012, 05:35 PM   #9
46Steel
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Default Re: Car sheet metal gauge question.

Measure the gauge on your vehicle and use that gauge if possible. My pickup is 16 gauge and that is what I used.
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Old 09-24-2012, 05:39 PM   #10
65standard
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Default Re: Car sheet metal gauge question.

16 ga. on the bed, most likely 19 ga. everywhere else.
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Old 09-24-2012, 06:34 PM   #11
slddnmatt
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Default Re: Car sheet metal gauge question.

on the old fomoco stuff its 19ga. on 50 chevy i noticed it to be thinner probably at least 20ga
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