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Hot Roll Steel Tolerances


​​​​​​​Round Bars | Square Bars | Rectangle Bars | Sheet/Plate | Tread Plate | Square Tubes | Rectangle Tubes | Pipe | Angle


 

 

Round Bars
 Spec. Diameter, in.  Diameter Tol.
 Hot Roll Steel  Round Bar  A36  Hot Rolled  Up to 0.3125, incl.  +/- 0.005"
 Hot Roll Steel  Round Bar  A36   Hot Rolled   Over 0.3125 to 0.4375, incl.   +/- 0.006"
 Hot Roll Steel   Round Bar   A36   Hot Rolled   Over 0.4375 to 0.625, incl.   +/- 0.007" 
 Hot Roll Steel   Round Bar   A36   Hot Rolled  Over 0.625 to 0.875   +/- 0.008" 
 Hot Roll Steel  Round Bar  A36  Hot Rolled Over 0.875 to 1, incl.  +/- 0.009"
 Hot Roll Steel  Round Bar  A36  Hot Rolled  Over 1 to 1.125, incl.  +/- 0.010"
 Hot Roll Steel  Round Bar  A36  Hot Rolled  Over 1.125 to 1.25, incl.  +/- 0.011"
 Hot Roll Steel  Round Bar  A36  Hot Rolled  Over 1.25 to 1.375, incl.  +/- 0.012"
 Hot Roll Steel   Round Bar   A36   Hot Rolled   Over 1.375 to 1.5, incl.  +/- 0.014" 
 Hot Roll Steel  Round Bar  A36  Hot Rolled  Over 1.5 to 2, incl.  +/- 1/64"
 Hot Roll Steel  Round Bar  A36  Hot Rolled  Over 2 to 2.5, incl.  + 1/32"
 Hot Roll Steel  Round Bar  A36  Hot Rolled  Over 2.5 to 3.5, incl.  + 3/64"

 

Square Bars      
Spec. Square, in. Square Tol.
 Hot Roll Steel  Square Bar  A36   Hot Rolled   Over 0.3125 to 0.4375, incl.   +/- 0.006"
 Hot Roll Steel   Square Bar  A36   Hot Rolled   Over 0.4375 to 0.625, incl.   +/- 0.007" 
 Hot Roll Steel   Square Bar  A36   Hot Rolled  Over 0.625 to 0.875   +/- 0.008" 
 Hot Roll Steel  Square Bar  A36  Hot Rolled Over 0.875 to 1, incl.  +/- 0.009"
 Hot Roll Steel  Square Bar  A36  Hot Rolled  Over 1 to 1.125, incl.  +/- 0.010"
 Hot Roll Steel  Square Bar  A36  Hot Rolled  Over 1.125 to 1.25, incl.  +/- 0.011"
 Hot Roll Steel  Square Bar  A36  Hot Rolled  Over 1.25 to 1.375, incl.  +/- 0.012"
 Hot Roll Steel   Square Bar  A36   Hot Rolled   Over 1.375 to 1.5, incl.  +/- 0.014" 
 Hot Roll Steel  Square Bar  A36  Hot Rolled  Over 1.5 to 2, incl.  +/- 1/64"

 

Rectangle Bars
 Applicable Alloy(s): A36    
Spec. Thickness 
  Up to 0.230, excl.  0.230 to 0.250, excl.  0.250 to 0.500, incl.  Over 0.500 to 1, incl.   Over 1 to 2, incl.  Over 2 to 3, incl.  Over 3
 Spec. Width, in. Width Tol. Thickness Tolerance
 Up to 1, incl.   +/- 1/64"  +/- 0.007"  +/- 0.007"   +/- 0.007"   +/- 0.010"  ...  ...  ...
 Over 1 to 2, incl.    +/- 1/32"  +/- 0.007"  +/- 0.007"   +/- 0.012"   +/- 0.015" +/- 1/32"  ...   ...
 Over 2 to 4, incl.    + 1/16", - 1/32"  +/- 0.008"  +/- 0.008"   +/- 0.015"   +/- 0.020" +/- 1/32"  +/- 3/64"  +/- 3/64"
 Over 4 to 6, incl.    + 3/32", - 1/16"  +/- 0.009"  +/- 0.009"   +/- 0.015"   +/- 0.020" +/- 1/32"   +/- 3/64"   +/- 3/64"
 Over 6 to 8, incl.    + 1/8", - 3/32"  ...  +/- 0.015"   +/- 0.016"   +/- 0.025" +/- 1/32"   +/- 3/64"   +/- 1/16"

 

Sheet/Plate
Applicable Alloys: A569/1011
Spec. Gage No. Decimal Equiv., in. Tolerance Range, in.
HRS Sheet/Plate Hot Rolled   4  0.2242  0.2152 to 0.2332
HRS Sheet/Plate Hot Rolled   5  0.2092  0.2002 to 0.2182
HRS Sheet/Plate Hot Rolled   6  0.1943  0.1853 to 0.2033
HRS Sheet/Plate Hot Rolled   7  0.1793  0.1713 to 0.1873
HRS Sheet/Plate  Hot Rolled    8  0.1644  0.1564 to 0.1724
HRS Sheet/Plate  Hot Rolled    9  0.1495  0.1415 to 0.1575
HRS Sheet/Plate  Hot Rolled    10  0.1345  0.1265 to 0.1425
HRS Sheet/Plate  Hot Rolled    11  0.1196  0.1116 to 0.1276
HRS Sheet/Plate  Hot Rolled    12  0.1046  0.0966 to 0.1126
HRS Sheet/Plate  Hot Rolled    13  0.0897  0.0827 to 0.0967
HRS Sheet/Plate  Hot Rolled    14  0.0747  0.0677 to 0.0817
HRS Sheet/Plate  Hot Rolled    15  0.0673  0.0613 to 0.0733
HRS Sheet/Plate  Hot Rolled    16  0.0598  0.0538 to 0.0658
HRS Sheet/Plate  Hot Rolled    17  0.0538  0.0478 to 0.0598
HRS Sheet/Plate  Hot Rolled    18  0.0478  0.0428 to 0.0528


 
Sheet/Plate
Applicable Alloys: A653 Galvanized
Spec. Gage No. Decimal Equiv., in. Tolerance Range, in.
HRS Sheet  Galvanized    10 0.1382  0.1292 to 0.1472
HRS Sheet  Galvanized    11 0.1233  0.1143 to 0.1323
HRS Sheet  Galvanized    12 0.1084  0.0994 to 0.1174
HRS Sheet  Galvanized    13 0.0934  0.0854 to 0.1014
HRS Sheet  Galvanized    14 0.0785  0.0705 to 0.0865
HRS Sheet  Galvanized    15 0.0710  0.0650 to 0.0770
HRS Sheet  Galvanized    16 0.0635  0.0575 to 0.0695
HRS Sheet  Galvanized    17 0.0575  0.0525 to 0.0625
HRS Sheet  Galvanized    18 0.0516  0.0466 to 0.0566
HRS Sheet  Galvanized    19 0.0456  0.0406 to 0.0506
HRS Sheet  Galvanized    20 0.0396  0.0356 to 0.0436
HRS Sheet  Galvanized    21 0.0366  0.0326 to 0.0406
HRS Sheet  Galvanized    22 0.0336  0.0296 to 0.0376
HRS Sheet  Galvanized    23 0.0306  0.0266 to 0.0346
HRS Sheet  Galvanized    24 0.0276  0.0236 to 0.0316 
HRS Sheet  Galvanized    25 0.0247  0.0207 to 0.0287
HRS Sheet  Galvanized    26 0.0217  0.0187 to 0.0247
HRS Sheet  Galvanized    27 0.0202  0.0172 to 0.0232
HRS  Sheet   Galvanized     28  0.0187  0.0157 to 0.0217
HRS Sheet  Galvanized    29 0.0172  0.0142 to 0.0202
HRS Sheet  Galvanized    30 0.0157  0.0127 to 0.0187 


 
Sheet/Plate
Applicable Alloys: A606/A588a Weathering Steel
Thickness Tolerance for Widths Given, in.
Spec. Thickness, in. Up thru 48 Over 48 to 60, excl. Over 60 to 72, excl.
HRS Sheet  Galvanized    Up to 0.250, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS Sheet  Galvanized    0.250 to 0.3125, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS Sheet  Galvanized    0.3125 to 0.375, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS Sheet  Galvanized    0.375 to 0.4375, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS Sheet  Galvanized    0.4375 to 0.500, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS Sheet  Galvanized    0.500 to 0.625, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS Sheet  Galvanized    0.625 to 0.750, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS Sheet  Galvanized    0.750 to 1.000, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"


​​​​​​​
 
Sheet/Plate
Applicable Alloys: A36
Thickness Tolerance for Widths Given, in.
Spec. Thickness, in. Up thru 48 Over 48 to 60, excl. Over 60 to 72, excl.
HRS Plate  Hot Rolled Up to 0.250, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS Plate  Hot Rolled    0.250 to 0.3125, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS Plate  Hot Rolled    0.3125 to 0.375, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS Plate  Hot Rolled    0.375 to 0.4375, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS Plate  Hot Rolled    0.4375 to 0.500, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS Plate  Hot Rolled    0.500 to 0.625, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS Plate  Hot Rolled    0.625 to 0.750, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS Plate  Hot Rolled    0.750 to 1.000, excl.  +/- 0.03"  +/- 0.03"  +/- 0.03"
HRS  Plate   Hot Rolled     1.000 to 2.000, excl.  +/- 0.06"  +/- 0.06"   +/- 0.06"
HRS Plate  Hot Rolled    2.000 to 3.000, excl.  +/- 0.09"  +/- 0.09"  +/- 0.09"
HRS Plate  Hot Rolled    3.000 to 4.000, excl.  +/- 0.11"  +/- 0.11"  +/- 0.11"

 

Tread Plate    
Spec. Thickness, in. Spec. Tolerance
HRS Diamond Tread Plate 0.075 +/- 0.014"
HRS Diamond Tread Plate  0.125 +/- 0.015"
HRS Diamond Tread Plate  0.250 +/- 0.017"


 

Square Tubes
 Spec. Height, in. Wall Thickness, in. Height Tol.
 HRS Square Tube  A500/A513  Hot Rolled  0.1875 to 0.625, incl.  0.020 to 0.083, incl.  +/- 0.004"
 HRS Square Tube  A500/A513  Hot Rolled  Over 0.625 to 1.125  0.022 to 0.156, incl.  +/- 0.005"
 HRS  Square Tube  A500/A513  Hot Rolled  Over 1.125 to 1.5  0.025 to 0.192, incl.  +/- 0.006" 
 HRS Square Tube  A500/A513  Hot Rolled  Over 1.5 to 2, incl.  0.032 to 0.192, incl.  +/- 0.008"
 HRS  Square Tube  A500/A513  Hot Rolled  Over 2 to 3, incl.  0.035 to 0.259, incl.  +/- 0.010" 
 HRS  Square Tube  A500/A513  Hot Rolled  Over 3 to 4, incl.  0.049 to 0.259, incl.  +/- 0.020"
 HRS Square Tube  A500/A513  Hot Rolled  Over 4 to 6, incl.  0.065 to 0.259, incl.  +/- 0.020"
 HRS Square Tube  A500/A513  Hot Rolled  Over 6 to 8, incl.   0.185 to 0.259, incl.  +/- 0.025"
Wall Thickness Tolerance = +/- 10% of specified wall thickness



​​​​​​​
Square Tubes
Spec. Height, in.  Wall Thickness, in.  Radius Tolerance
 HRS Square Tube A500/A513  Hot Rolled  0.5 to 1.5, incl.  0.022  1/64" to 3/64"
 HRS Square Tube A500/A513  Hot Rolled  0.5 to 1.5, incl.  0.028  1/32" to 1/16" 
 HRS Square Tube  A500/A513  Hot Rolled  0.5 to 2.5, incl.  0.035  1/32" to 1/16"
 HRS Square Tube A500/A513  Hot Rolled  0.5 to 2.5, incl.  0.042  3/64" to 5/64"
 HRS  Square Tube  A500/A513   Hot Rolled    0.5 to 4, incl.  0.049   3/64" to 5/64"
 HRS Square Tube A500/A513  Hot Rolled  0.5 to 4.125, incl.  0.065  1/16" to 7/64"
 HRS Square Tube A500/A513  Hot Rolled  0.75 to 4.125, incl.  0.083  5/64" to 1/8"
 HRS Square Tube A500/A513  Hot Rolled  Over 4.125 to 6, incl.  0.083  3/16" to 5/16"
 HRS  Square Tube A500/A513  Hot Rolled  1 to 4.125, incl.  0.095  3/32" to 5/32"
 HRS  Square Tube A500/A513  Hot Rolled  Over 4.125 to 6, incl.  0.095  3/16" to 5/16"
 HRS Square Tube A500/A513  Hot Rolled  1.25 to 4, incl.  0.109  1/8" to 13/64"
 HRS Square Tube A500/A513  Hot Rolled  Over 4 to 6, incl.  0.109  3/16" to 5/16"
 HRS  Square Tube A500/A513  Hot Rolled  1.25 to 4, incl.  0.120  1/8" to 7/32"
 HRS Square Tube A500/A513  Hot Rolled  Over 4 to 6, incl.  0.120  7/32" to 7/16"
 HRS Square Tube  A500/A513  Hot Rolled  2 to 4, incl.   0.134  5/32" to 9/32"
 HRS Square Tube A500/A513  Hot Rolled  Over 4 to 6, incl.  0.134  7/32" to 7/16"
 HRS  Square Tube A500/A513  Hot Rolled  2 to 4, incl.  0.148  3/16" to 5/16"
 HRS Square Tube A500/A513  Hot Rolled  Over 4 to 8, incl.  0.148  7/32" to 7/16"
 HRS Square Tube A500/A513  Hot Rolled  2 to 8, incl.  0.165  1/4" to 1/2" 
 HRS Square Tube A500/A513  Hot Rolled  2 to 8, incl.  0.180  1/4" to 1/2"
 HRS Square Tube A500/A513  Hot Rolled  2.5 to 4, incl.  0.203  5/16" to 9/16" 
 HRS Square Tube A500/A513  Hot Rolled  Over 4 to 8, incl.  0.203  5/16" to 9/16"
 HRS Square Tube A500/A513  Hot Rolled  2.5 to 8, incl.  0.220  3/8" to 5/8"
 HRS Square Tube A500/A513  Hot Rolled  2.5 to 8, incl.  0.238  3/8" to 5/8"
 HRS Square Tube A500/A513  Hot Rolled  2.5 to 8, incl.  0.259  3/8" to 5/8"

 

Rectangle Tubes
 Largest Spec. Height or Width Dimension, in. Wall Thickness, in. Height and/or Width Tol.
 HRS Rectangle Tube  A500/A513  Hot Rolled  0.1875 to 0.625, incl.  0.020 to 0.083, incl.  +/- 0.004"
 HRS Rectangle Tube  A500/A513  Hot Rolled  Over 0.625 to 1.125  0.022 to 0.156, incl.  +/- 0.005"
 HRS  Rectangle Tube  A500/A513  Hot Rolled  Over 1.125 to 1.5  0.025 to 0.192, incl.  +/- 0.006" 
 HRS Rectangle Tube  A500/A513  Hot Rolled  Over 1.5 to 2, incl.  0.032 to 0.192, incl.  +/- 0.008"
 HRS  Rectangle Tube  A500/A513  Hot Rolled  Over 2 to 3, incl.  0.035 to 0.259, incl.  +/- 0.010" 
 HRS  Rectangle Tube  A500/A513  Hot Rolled  Over 3 to 4, incl.  0.049 to 0.259, incl.  +/- 0.020"
 HRS Rectangle Tube  A500/A513  Hot Rolled  Over 4 to 6, incl.  0.065 to 0.259, incl.  +/- 0.020"
 HRS Rectangle Tube  A500/A513  Hot Rolled  Over 6 to 8, incl.   0.185 to 0.259, incl.  +/- 0.025"
Wall Thickness Tolerance = +/- 10% of specified wall thickness


​​​​​​​
Rectangle Tubes
 Largest Spec. Height or Width Dimension, in. Wall Thickness, in.  Radius Tolerance
 HRS Rectangle Tube A500/A513  Hot Rolled  0.5 to 1.5, incl.  0.022  1/64" to 3/64"
 HRS Rectangle Tube A500/A513  Hot Rolled  0.5 to 1.5, incl.  0.028  1/32" to 1/16" 
 HRS Rectangle Tube A500/A513  Hot Rolled  0.5 to 2.5, incl.  0.035  1/32" to 1/16"
 HRS Rectangle Tube A500/A513  Hot Rolled  0.5 to 2.5, incl.  0.042  3/64" to 5/64"
 HRS  Rectangle Tube A500/A513   Hot Rolled    0.5 to 4, incl.  0.049   3/64" to 5/64"
 HRS Rectangle Tube A500/A513  Hot Rolled  0.5 to 4.125, incl.  0.065  1/16" to 7/64"
 HRS Rectangle Tube A500/A513  Hot Rolled  0.75 to 4.125, incl.  0.083  5/64" to 1/8"
 HRS Rectangle Tube A500/A513  Hot Rolled  Over 4.125 to 6, incl.  0.083  3/16" to 5/16"
 HRS  Rectangle Tube A500/A513  Hot Rolled  1 to 4.125, incl.  0.095  3/32" to 5/32"
 HRS  Rectangle Tube A500/A513  Hot Rolled  Over 4.125 to 6, incl.  0.095  3/16" to 5/16"
 HRS Rectangle Tube A500/A513  Hot Rolled  1.25 to 4, incl.  0.109  1/8" to 13/64"
 HRS Rectangle Tube A500/A513  Hot Rolled  Over 4 to 6, incl.  0.109  3/16" to 5/16"
 HRS  Rectangle Tube A500/A513  Hot Rolled  1.25 to 4, incl.  0.120  1/8" to 7/32"
 HRS Rectangle Tube A500/A513  Hot Rolled  Over 4 to 6, incl.  0.120  7/32" to 7/16"
 HRS Rectangle Tube A500/A513  Hot Rolled  2 to 4, incl.   0.134  5/32" to 9/32"
 HRS Rectangle Tube A500/A513  Hot Rolled  Over 4 to 6, incl.  0.134  7/32" to 7/16"
 HRS  Rectangle Tube A500/A513  Hot Rolled  2 to 4, incl.  0.148  3/16" to 5/16"
 HRS Rectangle Tube A500/A513  Hot Rolled  Over 4 to 8, incl.  0.148  7/32" to 7/16"
 HRS Rectangle Tube A500/A513  Hot Rolled  2 to 8, incl.  0.165  1/4" to 1/2" 
 HRS Rectangle Tube A500/A513  Hot Rolled  2 to 8, incl.  0.180  1/4" to 1/2"
 HRS Rectangle Tube A500/A513  Hot Rolled  2.5 to 4, incl.  0.203  5/16" to 9/16" 
 HRS Rectangle Tube A500/A513  Hot Rolled  Over 4 to 8, incl.  0.203  5/16" to 9/16"
 HRS Rectangle Tube A500/A513  Hot Rolled  2.5 to 8, incl.  0.220  3/8" to 5/8"
 HRS Rectangle Tube A500/A513  Hot Rolled  2.5 to 8, incl.  0.238  3/8" to 5/8"
 HRS Rectangle Tube A500/A513  Hot Rolled  2.5 to 8, incl.  0.259  3/8" to 5/8"

 

Pipe
Nominal Pipe Size   O.D., in.  O.D. Tolerance Wall Thickness, in.  Wall Thickness Tol.
HRS Pipe A500 Hot Rolled  0.750  1.050  +/-0.5%  0.113  +/- 10%
HRS Pipe A500 Hot Rolled  1.000  1.315  +/-0.5%  0.133  +/- 10%
HRS Pipe A500 Hot Rolled  1.250  1.660  +/-0.5%  0.140  +/- 10%
HRS Pipe A500 Hot Rolled  1.500  1.900  +/-0.5%  0.145  +/- 10%
HRS Pipe A500 Hot Rolled  2.000  2.375   +/-0.75%  0.154  +/- 10%
HRS Pipe A500 Hot Rolled  2.500  2.875  +/-0.75%  0.203  +/- 10%
HRS Pipe A500 Hot Rolled  3.000  3.500  +/-0.75%  0.216  +/- 10%

 

Angle
 Thickness Tolerance, in.  
Nominal Leg Size, in.   Leg Tolerance  Thickness up to 3/16 Thickness over 3/16 to 3/8, incl.  Thickness over 3/8
HRS Angle A36 Hot Rolled  Up to 1   +/- 1/32"  +/- 0.008"  +/- 0.010"   ... 
HRS Angle A36 Hot Rolled  Over 1 to 2, incl.  +/- 3/64"  +/- 0.010"   +/- 0.010"   +/- 0.012" 
HRS Angle A36 Hot Rolled  Over 2 to 2.5, incl.  +/- 1/16"  +/- 0.012"   +/- 0.015"   +/- 0.015"
HRS Angle A36 Hot Rolled  Over 2.5 to 4, incl.  + 1/8", - 3/32"   ...  ...   ... 
HRS Angle A36 Hot Rolled  Over 4 to 6, incl.  +/- 1/8"  ...   ...  ... 
*Where '...' appears, there is no requirement
*For unequal leg angles, longer leg determines tolerance