Understanding Gauges

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Understanding Gauges jp2express 05-28-2007
Posted by jp2express on May 28, 2007, 4:50 pm
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How do I interpret something's gauge thickness?

I want to know what my supplier is talking about on the phone whenever he
blurts out a gauge thickness to me.

Is 16-gauge the same as 1/16-inch thick?
Is 12-gauge the same as 1/12-inch thick?

Is this all there is to it, the denominator of a fractional thickness where
the numerator is unitary?

Thanks for the clarification.
~JP



Posted by jp2express on May 28, 2007, 5:05 pm
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I kept researching, and answered my own question.

Wikipedia says:
"Note that for gauges 5 through about 14, the wire gauge is effectively the
number of bare solid wires that, when placed side by side, span 1 inch. That
is, 8 gauge is about 1/8 inches in diameter."

source: http://en.wikipedia.org/wiki/American_wire_gauge

"jp2express" wrote...
> How do I interpret something's gauge thickness?
>
> I want to know what my supplier is talking about on the phone whenever he
> blurts out a gauge thickness to me.
>
> Is 16-gauge the same as 1/16-inch thick?
> Is 12-gauge the same as 1/12-inch thick?
>
> Is this all there is to it, the denominator of a fractional thickness
> where the numerator is unitary?
>
> Thanks for the clarification.
> ~JP
>



Posted by amdx on May 28, 2007, 6:15 pm
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> "jp2express" wrote...
>> How do I interpret something's gauge thickness?
>>
>> I want to know what my supplier is talking about on the phone whenever he
>> blurts out a gauge thickness to me.
>>
>> Is 16-gauge the same as 1/16-inch thick?
>> Is 12-gauge the same as 1/12-inch thick?
>>
>> Is this all there is to it, the denominator of a fractional thickness
>> where the numerator is unitary?
>>
>> Thanks for the clarification.
>> ~JP
>>
>
Here are a couple of sites with info.

http://www.engineersedge.com/gauge.htm
http://www.unc.edu/~rowlett/units/scales/sheetmetal.html

Mike



Posted by RoyJ on May 28, 2007, 7:43 pm
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And another site to really confuse the issue!!
http://yarchive.net/metal/sheet_metal_gauge.html

amdx wrote:
>>"jp2express" wrote...
>>
>>>How do I interpret something's gauge thickness?
>>>
>>>I want to know what my supplier is talking about on the phone whenever he
>>>blurts out a gauge thickness to me.
>>>
>>>Is 16-gauge the same as 1/16-inch thick?
>>>Is 12-gauge the same as 1/12-inch thick?
>>>
>>>Is this all there is to it, the denominator of a fractional thickness
>>>where the numerator is unitary?
>>>
>>>Thanks for the clarification.
>>>~JP
>>>
>>
> Here are a couple of sites with info.
>
> http://www.engineersedge.com/gauge.htm
> http://www.unc.edu/~rowlett/units/scales/sheetmetal.html
>
> Mike
>
>

Posted by Leo Lichtman on May 28, 2007, 6:16 pm
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"jp2express" wrote:Wikipedia says:
> "Note that for gauges 5 through about 14, the wire gauge is effectively
> the number of bare solid wires that, when placed side by side, span 1
> inch. That is, 8 gauge is about 1/8 inches in diameter."
^^^^^^^^^^^^^^^^^^^
I Googled it and got this reference:
http://www.unc.edu/~rowlett/units/scales/sheetmetal.html
^^^^^^^^^^^^^^^^^^
The Wikepedia rule may be correct for wires, but it does not agree with the
charts for sheet metal. If fact the charts have a different column for
galvanized, aluminum and sheet steel. I think you need to do some more
checking.

I seem to recall that a number of years ago the auto manufacturers
redesignated their gauge standards, so they could go to thinner metal
without telling us.
>
>



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