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Home > Metal Fabricating Tips & Facts > Steel Thickness Charts

Steel thickness charts

The charts that follow illustrates the +/- tolerance variation for galvanized, hot-rolled, and cold-rolled steel. The tolerance variation is directly related to and dependent on the specified width and thickness of the material to be roll formed.

Galvanized steel

Specified Width,
Inches
Thickness tolerance, inch over only.
No tolerance under specified minimum thickness
over .101
thru .177
over .075
thru .101
over .061
thru .075
over .043
thru .061
over .023
thru .043
.023 and
thinner
--- thru 32 .016 .014 .012 .010 .008 .006
over 32 thru 40 .016 .016 .012 .010 .008 .006
over 40 thru 60 .018 .016 .012 .010 .008 .006
over 60 thru 72 .018 .018 .012 .010 .008 ---

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Hot rolled steel

Specified Width,
Inches
Thickness tolerance, inch over only.
No tolerance under specified minimum thickness
over .179
thru .230
over .097
thru .179
over .082
thru .097
over .071
thru .082
--- thru 20 .016 .016 .014 .014
over 20 thru 32 .018 .016 .014 .014
over 32 thru 40 .018 .018 .016 .014
over 40 thru 48 .020 .020 .016 .014
over 48 thru 60 --- .020 .016 .014
over 60 thru 72 --- .022 .018 .016
over 72 --- --- .024 .018 .016

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Cold rolled steel

Specified Width,
Inches
Thickness tolerance, inch over only.
No tolerance under specified minimum thickness
over .098
thru .142
over .071
thru .098
over .057
thru .071
over .039
thru .057
over .019
thru .039
.over .014
thru .019
24 thru 72 .012 .010 .010 .008 .006 .004
over 72 .014 .012 .010 .008 .006 ---

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Advantage Fabricated Metals
a division of Corrugated Metals, Inc.
We invest in our customers.™
3575 Morreim Drive • Belvidere, Illinois 61008
Phone: 1-815-323-1310 • Fax: 1-815-323-1317
Email: info@advantagefabricatedmetals.com

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