[Simons Roll Forming Co custom roll forming professionals]

Steel Thickness Tolerances

GALVANIZED

   

Thickness tolerance, inch over only.
No tolerance under specified minimum thickness

Specified Width, Inches 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 ----

 

HOT ROLLED
 

Thickness tolerance, inch over only. 
No tolerance under specified minimum thickness. 

Specified Width, Inches over .179 thru .230 over .097 thru .179 over .082 thru .097 .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
 

COLD ROLLED

 

Thickness tolerance, inch over only. 
No tolerance under specified minimum thickness.

Specified Width, Inches 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 .100 .008 .006 .004
over 72 .014 .012 .100 .008 .006 ----


All values are estimates and are provided for reference only.

 
 
 
 
 
 
 
 
 

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