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Cold Roll Steel Tolerances


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Round Bars | Square Bars | Hex Bars | Rectangle Bars | Sheet/Plate | Round Tubes | Key Stock


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Round Bars
 Spec. Diameter, in. Diameter Tol.
 Cold Roll SteelRound Bar1018, 12L14 Cold Drawn/Finish Up to 1.5, incl. +/- 0.002"
 Cold Roll SteelRound Bar 1018, 12L14 Cold Drawn/Finish Over 1.5 to 2.5, incl.  +/- 0.003" 
 Cold Roll SteelRound Bar1018, 12L14 Cold Drawn/Finish Over 2.5 to 4, incl.  +/- 0.004" 


 
Round Bars      
 Spec. Diameter, in. Diameter Tol.
 Cold Roll SteelRound Bar1045, 1144 Cold Drawn/Finish Up to 1.5, incl. +/- 0.003"
 Cold Roll SteelRound Bar1045, 1144 Cold Drawn/Finish Over 1.5 to 2.5, incl. +/- 0.004"
 Cold Roll SteelRound Bar1045, 1144 Cold Drawn Over 2.5 to 4, incl. +/- 0.005"


 
Metric Round Bars      
 Spec. Diameter, mm Diameter Tol.
 Cold Roll SteelRound Bar(Metric) 1018, 1045, 1144-Stress Relieved  TGP 1.5mm to 38mm 0/-.0005″ (.0127mm)
 Cold Roll SteelRound Bar(Metric) 1018, 1045, 1144-SR TGP 39mm to 63mm 0/-.00075″ (.0191mm)
 Cold Roll SteelRound Bar(Metric) 1018, 1045, 1144-SR TGP 64mm to 75mm 0/-.001″ (.0254mm)
 Cold Roll SteelRound Bar(Metric) 1018, 1045, 1144-SR TGP 80mm to 100mm 0/-.0015″ (.0981mm)
 Cold Roll SteelRound Bar(Metric) 1018, 1045, 1144-SR TGP 105mm to 150mm 0/-.002″(.0508mm)
 Cold Roll SteelRound Bar(Metric) 1018, 1045, 1144-SR TGP 160mm to 200mm 0/-.0025″(.0635mm)

 

Square Bars      
Spec. Square, in.Square Tol.
 Cold Roll Steel Square Bar1018 Cold Finish Up to 0.75, incl. +/- 0.002"
 Cold Roll Steel  Square Bar 1018  Cold Finish  Over 0.75 to 1.5, incl.  +/- 0.003" 
 Cold Roll Steel  Square Bar 1018  Cold Finish  Over 1.5 to 2.5, incl.  +/- 0.004" 
 Cold Roll Steel Square Bar1018  Cold Finish Over 2.5 to 4, incl. +/- 0.006"


 
Metric Square Bars      
Spec. Square, mm Square Tol.
 Cold Roll Steel  Square Bar 1018 Metric Cold Finish   Over 3mm to 6mm, incl. + 0, - 0.075mm
 Cold Roll Steel  Square Bar 1018 Metric Cold Finish   Over 6mm to 10mm, incl. + 0, - 0.090mm
 Cold Roll Steel  Square Bar 1018 Metric Cold Finish   Over 10mm to 18mm, incl. + 0, - 0.110mm
 Cold Roll Steel  Square Bar 1018 Metric Cold Finish   Over 18mm to 30mm, incl. + 0, - 0.130mm
 Cold Roll Steel  Square Bar 1018 Metric Cold Finish   Over 30mm to 50mm, incl. + 0, - 0.160mm

 

Hex Bars      
Spec. Across Flats, in.Across Flat Tol.
 Cold Roll Steel Hex Bar1018, 12L14 Up to 0.75 +/- 0.002"
 Cold Roll Steel Hex Bar1018, 12L14 Over 0.75 to 1.5 +/- 0.003"
 Cold Roll Steel Hex Bar1018, 12L14 Over 1.5 to 2.5 +/- 0.004"


 
Metric Hex Bars
 Spec. Square, mm Square Tol.
 Cold Roll Steel Hex Bar1018 metric Cold Drawn  Over 3mm to 6mm, incl.  + 0, - 0.075mm
 Cold Roll Steel Hex Bar1018 metric Cold Drawn Over 6mm to 10mm, incl. + 0, - 0.090mm
 Cold Roll Steel Hex Bar1018 metric Cold Drawn Over 10mm to 18mm, incl. + 0, - 0.110mm
 Cold Roll Steel Hex Bar1018 metric Cold Drawn Over 18mm to 30mm, incl. + 0, - 0.130mm
 Cold Roll Steel Hex Bar1018 metric Cold Drawn Over 30mm to 50mm, incl. + 0, - 0.160mm

 

Rectangle Bars
 Spec. Width, in. Width Tol.
 Cold Roll Steel Rectangle Bar  1018 Cold Finish Up to 0.75 +/- 0.003"
 Cold Roll Steel  Rectangle Bar  1018, 11L17 Cold Finish  Over 0.75 to 1.5, incl.  +/- 0.004"
 Cold Roll Steel  Rectangle Bar  1018, 11L17 Cold Finish  Over 1.5 to 3, incl.   +/- 0.005"
 Cold Roll Steel  Rectangle Bar  1018, 11L17 Cold Finish  Over 3 to 4, incl.  +/- 0.006"
 Cold Roll Steel  Rectangle Bar  1018 Cold Finish  Over 4 to 6, incl.  +/- 0.008"
 Cold Roll Steel Rectangle Bar 1018  Cold Finish  Over 6 +/- 0.013" 
Width governs the tolerances both width and thickness for rectangle bars. If the bar is 1.5" thick x 3.5" wide, the width tolerance of +/-0.006" will be the tolerance for the thickness as well, which is +/-0.006".


 
Metric Rectangle Bars
 Spec. Thickness, mm Thickness Tol. Spec. Width, mm Width Tol.
 Cold Roll Steel  Rectangle Bar  1018 Metric Cold Finish Over 3mm to 6mm, incl. + 0, - 0.075mm  Up to 18mm, incl. + 0, - 0.11mm
 Cold Roll Steel  Rectangle Bar  1018 Metric Cold Finish Over 6mm to 10mm, incl. + 0, - 0.090mm Over 18mm to 30mm, incl. + 0, - 0.13mm
 Cold Roll Steel  Rectangle Bar  1018 Metric Cold Finish Over 10mm to 18mm, incl. + 0, - 0.11mm Over 30mm to 50mm, incl. + 0, - 0.16mm
 Cold Roll Steel  Rectangle Bar  1018 Metric Cold Finish Over 18 to 30mm, incl. + 0, - 0.13mm Over 50mm to 80mm, incl. + 0, - 0.19mm
 Cold Roll Steel  Rectangle Bar  1018 Metric Cold Finish Over 30mm to 50mm, incl. + 0, - 0.16mm Over 80mm to 100mm, incl. + 0, - 0.22mm

 

Sheet
Applicable Alloys: A366/1008
Spec. Gage No.Decimal Equiv., in.Tolerance Range, in.
CRSSheet/PlateCold Rolled  7 0.1793 0.1703 to 0.1883
CRSSheet/Plate Cold Rolled   8 0.1644 0.1554 to 0.1734
CRSSheet/Plate Cold Rolled   9 0.1495 0.1405 to 0.1585
CRSSheet/Plate Cold Rolled   10 0.1345 0.1285 to 0.1405
CRSSheet/Plate Cold Rolled   11 0.1196 0.1136 to 0.1256
CRSSheet/Plate Cold Rolled   12 0.1046 0.0986 to 0.1106
CRSSheet/Plate Cold Rolled   13 0.0897 0.0847 to 0.0947
CRSSheet/Plate Cold Rolled   14 0.0747 0.0697 to 0.0797
CRSSheet/Plate Cold Rolled   15 0.0673 0.0623 to 0.0723
CRSSheet/Plate Cold Rolled   16 0.0598 0.0548 to 0.0648
CRSSheet/Plate Cold Rolled   17 0.0538 0.0498 to 0.0548
CRSSheet/Plate Cold Rolled   18 0.0478 0.0438 to 0.0518
CRSSheet/Plate Cold Rolled   19 0.0418 0.0378 to 0.0458
CRSSheet/Plate Cold Rolled   20 0.0359 0.0329 to 0.0389 
CRSSheet/Plate Cold Rolled   21 0.0329 0.0299 to 0.0359
CRSSheet/Plate Cold Rolled   22 0.0299 0.0269 to 0.0329
CRSSheet/Plate Cold Rolled   23 0.0269 0.0239 to 0.0299
CRSSheet/Plate Cold Rolled   24 0.0239 0.0209 to 0.0269
CRSSheet/Plate Cold Rolled   25 0.0209 0.0179 to 0.0239
CRSSheet/Plate Cold Rolled   26 0.0179 0.0159 to 0.0199 
CRSSheet/Plate Cold Rolled   27 0.0164 0.0144 to 0.0184
CRS Sheet/Plate  Cold Rolled    28  0.0149 0.0129 to 0.0169
CRSSheet/Plate Cold Rolled   29 0.0135 0.0115 to 0.0155
CRSSheet/Plate Cold Rolled   30 0.0120 0.0110 to 0.0130

 

Round Tube
 Spec. O.D., in. O.D. Tol.
 CRSRound TubeA513-Type 5 DOM Up to 0.499 + 0.004", - 0"
 CRSRound Tube A513-Type 5 DOM 0.500 to 1.699 + 0.005", - 0"
 CRSRound Tube A513-Type 5 DOM 1.700 to 2.099 + 0.006", - 0"
 CRSRound Tube A513-Type 5 DOM 2.100 to 2.499 + 0.007", - 0"
 CRSRound Tube A513-Type 5 DOM 2.500 to 2.899 + 0.008", - 0"
 CRSRound Tube A513-Type 5 DOM 2.900 to 3.299 + 0.009", - 0"
 CRSRound Tube A513-Type 5 DOM 3.300 to 3.699 + 0.010", - 0"
 CRSRound Tube A513-Type 5 DOM 3.700 to 4.099 + 0.011", - 0"
 CRSRound Tube A513-Type 5 DOM 4.100 to 4.499 + 0.012", - 0"
 CRSRound TubeA513-Type 5 DOM 4.500 to 4.899 + 0.013", - 0"
 CRSRound TubeA513-Type 5 DOM 4.900 to 5.299 + 0.014", - 0"
 CRSRound TubeA513-Type 5 DOM 5.300 to 5.549 + 0.015", - 0"
          
          
Spec. O.D., in.    
Up to 0.375, excl.0.375 to 0.875, incl. Over 0.875 to 1.875, incl. Over 1.875 to 3.75, incl. Over 3.75 to 15, incl.
  Spec. Wall Thickness, in.Wall Thickness Tolerance   
 CRSRound Tube A513-Type 5 DOM 0.035 +/- 0.002" +/- 0.002" +/- 0.002 +/- 0.002" ...
 CRSRound Tube  A513-Type 5 DOM 0.049 ... +/- 0.002" + 0.002", - 0.003"  + 0.002", - 0.003"   ...
 CRSRound Tube  A513-Type 5 DOM 0.065 ...  +/- 0.002"  + 0.002", - 0.003"  + 0.002", - 0.003"   +/- 0.004"
 CRSRound Tube  A513-Type 5 DOM 0.083 ...  +/- 0.002"  + 0.002", - 0.003"  +/- 0.003" 

 + 0.004", - 0.005"

 CRSRound Tube  A513-Type 5 DOM 0.095 ...  +/- 0.002"  + 0.002", - 0.003"   +/- 0.003"   +/- 0.005"
 CRSRound Tube  A513-Type 5 DOM 0.109 ...  + 0.002", - 0.003"  + 0.002", - 0.004"  +/- 0.003"   +/- 0.005"
 CRSRound Tube  A513-Type 5 DOM 0.120 ...  +/- 0.003"  + 0.002", - 0.004"  +/- 0.003"   +/- 0.005"
 CRSRound Tube  A513-Type 5 DOM 0.134 ...  ... + 0.002", - 0.004"  +/- 0.003"   +/- 0.005"
 CRSRound Tube  A513-Type 5 DOM 0.148 ...  ...  + 0.002", - 0.004"  +/- 0.003"   +/- 0.005"
 CRSRound Tube  A513-Type 5 DOM 0.165 ...  ...  + 0.003", - 0.004"  + 0.003", - 0.004"  + 0.005", - 0.006"
 CRSRound Tube  A513-Type 5 DOM 0.180 ...  ...  +/- 0.004"  + 0.003", - 0.005"  +/- 0.006"
 CRSRound Tube  A513-Type 5 DOM 0.203 ...  ...  + 0.004", - 0.005"   + 0.004", - 0.005"  + 0.006", - 0.007"
 CRSRound Tube  A513-Type 5 DOM 0.220 ...  ...  + 0.004", - 0.006"   + 0.004", - 0.006" +/- 0.007"
 CRSRound Tube  A513-Type 5 DOM 0.238 ...  ...  + 0.005", - 0.006"   + 0.005", - 0.006"  +/- 0.007"
 CRSRound Tube  A513-Type 5 DOM 0.259 ...  ...  + 0.005", - 0.006"   + 0.005", - 0.006"   +/- 0.007"
 CRSRound Tube   A513-Type 5  DOM  0.284  ...  ...  + 0.005", - 0.006"   + 0.005", - 0.006"   +/- 0.007"
 CRSRound Tube  A513-Type 5 DOM 0.300 ...  ...  +/- 0.006" +/- 0.006"  +/- 0.008"
 CRSRound Tube  A513-Type 5 DOM 0.320 ...  ...  +/- 0.007"  +/- 0.007"  +/- 0.008"
 CRSRound Tube  A513-Type 5 DOM 0.344 ...  ...  +/- 0.008"  +/- 0.008"  +/- 0.009"
 CRSRound Tube  A513-Type 5 DOM 0.375 ...  ...  ...  +/- 0.009"  +/- 0.009"
 CRSRound Tube  A513-Type 5 DOM 0.400 ...  ...  ...  +/- 0.010"  +/- 0.010"
 CRSRound Tube  A513-Type 5 DOM 0.438 ...  ...  ...  +/- 0.011"  +/- 0.011"
 CRSRound Tube  A513-Type 5 DOM 0.460 ...  ...  ...  +/- 0.012"  +/- 0.012" 
 CRSRound Tube  A513-Type 5 DOM 0.480 ...  ...  ...  +/- 0.012"  +/- 0.012"
 CRSRound Tube  A513-Type 5 DOM 0.531 ...  ...  ...  +/- 0.013"  +/- 0.013"
 CRSRound Tube  A513-Type 5 DOM 0.563 ...  ...  ...  +/- 0.013"  +/- 0.013"
If specified wall thickness isn't listed, use next closest, largest size listed for tolerance.



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 Metric Round Tubes         
 Spec. O.D. & Wall Thickness,  mmO.D. & Wall Thickness Tol.
 CRSRound Tube 1018 metric Cold Drawn 4mm to 32mm +/- 0.08mm
 CRSRound Tube  1018 metric Cold Drawn > 32mm to 40mm +/- 0.15mm 
 CRSRound Tube  1018 metric Cold Drawn 42mm to 50mm +/- 0.20mm 
 CRSRound Tube  1018 metric Cold Drawn > 50mm to 60mm +/- 0.25mm
 CRSRound Tube  1018 metric Cold Drawn 65mm to 75mm +/- 0.30mm 
 CRS Round Tube   1018 metric  Cold Drawn   75mm to 80mm  +/- 0.35mm


 
Rectangle Key Stock
Spec. Height/Width, in. or mmHeight or Width Tol.
Cold Roll SteelRectangle Key Stock1018All Heights- 0.002"



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Square Key Stock
Spec. Height, in. or mmHeight Tol.
Cold Roll SteelSquare Key Stock1018All Heights- 0.002"