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Copper Tolerances

 

Round Bars | Square Bars | Rectangle Bars | Sheet/Plate | Round Tubes

 

 

 

 

 

 

 

Round Bars
Alloy(s)   Spec. Diameter, in. Diameter Tol. (over(+)/under(-))
101-H04, 110-H04, 145-H02, 182  Drawn  Up to 0.150  +/- 0.0013"
101-H04, 110-H04, 145-H02, 182  Drawn  Over 0.150 to 0.500, incl.  +/- 0.0015"
101-H04, 110-H04, 145-H02, 182  Drawn  Over 0.500 to 1.00, incl.  +/- 0.002"
101-H04, 110-H04, 145-H02, 182  Drawn  Over 1.00 to 2.00, incl.  +/- 0.0025"
101-H04, 145-H02  Drawn  Over 2.00 to 2.625, incl.  +/- 0.004"
101-H04, 145-H02  Drawn  Over 2.625 to 3, incl.  +/- 0.0045"
101-H04, 145-H02  Drawn  Over 3 to 3.25, incl.  +/- 0.005"
101-H04  Drawn  Over 3.25 to 3.625, incl.  +/- 0.0055"
101-H04, 145-H02  Drawn  Over 3.625 to 4.25, incl.  +/- 0.006"
101-H04  Drawn  Over 4.25 to 4.75, incl.  +/- 0.007"
101-H04  Drawn  5  +/- 0.010"
101-H04  Extruded  5.5 to 6.5, incl.  +/- 0.063"

 

 

Round Bars
    Spec. Diameter, in. Diameter Tol. (over(+)/under(-))
110-H04  Drawn  Up to 0.150  +/- 0.0013"
110-H04  Drawn   Over 0.150 to 0.500, incl.  +/- 0.0015"
110-H04  Drawn  Over 0.500 to 1.00, incl.  +/- 0.002"
110-H04  Drawn  Over 1.00 to 2.00, incl.  +/- 0.0025"
110-H04  Drawn  2.25  +/- 0.003"
110-H04  Drawn  Over 2.25 to 2.75, incl.  +/- 0.004"
110-H04  Drawn  Over 2.75 to 3.5, incl.  +/- 0.005"
110-H04  Drawn  4  +/- 0.006"
110-H04  Drawn  4.5  +/- 0.007"
110-H04  Drawn  5  +/- 0.008"
110-M30  Extruded  4 to 6, incl.  +/- 0.120"

 

 

Metric Round Bars
Alloy(s)   Spec. Diameter, mm Diameter Tol. (over(+)/under(-))
110  Drawn  2mm to 3mm  0/-.06mm
110  Drawn   ≥ 3mm to 6mm  0/-.08mm
110  Drawn  ≥ 6mm to 10mm  0/-.09mm
110  Drawn  ≥ 10mm to 18mm  0/-.11mm
110  Drawn  ≥ 18mm to 30mm  0/-.13mm
110  Drawn  ≥ 30mm to 50mm  0/-.16mm
110  Drawn  ≥ 50mm to 60mm  0/-.19mm

 

 

Straightness Tolerance - Round Bar
Alloy(s) Portion of Total Length in Which Depth of Arc Is Measured, in. Max. Curvature (Depth of Arc), in.
101, 110, 182 120 0.5"
Straightness tolerance will be void once full length is cut

 

 

Straightness Tolerance - Round Bar
Alloy(s) Mill Length, ft. Max. Curvature (Depth of Arc), in.
145 Over 10 0.5" in any 10-ft portion
Straightness tolerance will be void once full length is cut

 

 

 

 

 

 

 

Square Bars
Alloy(s)   Spec. Square, in. Square Tol. (over(+)/under(-))
101-H02  Drawn  0.375 to 2, incl.  +/- 0.003"
110-H02  Drawn  Over 0.188 to 0.500, incl.  +/- 0.003"
110-H02  Drawn  Over 0.500 to 1.00, incl.  +/- 0.004"
110-H02  Drawn  Over 1.00 to 2.00, incl.  +/- 0.0045"
110-H02  Drawn  2.5  +/- 0.025"
110-H02  Drawn  3  +/- 0.005"

 

 

Straightness Tolerance - Square Bar
Alloy(s) Portion of Total Length in Which Depth of Arc Is Measured, in. Max. Curvature (Depth of Arc), in.
101, 110 60 0.5"
Straightness tolerance will be void once full length is cut

 

 

 

 

 

 

 

Rectangle Bars
Alloy(s)  Spec. Thickness, in.  Thickness Tol. (over(+)/under(-))  Spec. Width, in.  Width Tol. (over(+)/under(-))
110-H02  0.0625  +/- 0.003"  0.5 to 1, incl.  +/- 0.008"
110-H02  0.0937  +/- 0.003"  0.5  +/- 0.008"
110-H02  0.125  +/- 0.003"  0.375 to 2, incl.  +/- 0.008"
110-H02  0.125  +/- 0.004"  2.25 to 4, incl.  +/- 0.012"
110-H02  0.125  +/- 0.0045"  5  +/- 0.015"
110-H02  0.125  +/- 0.0045"  6  +/- 0.018"
110-H02  0.1875  +/- 0.003"  0.5 to 2, incl.  +/-0.008"
110-H02  0.1875  +/- 0.004"  2.5 to 4, incl.  +/- 0.012"
110-H02  0.1875  +/- 0.0045"  6  +/- 0.018"
110-H02  0.25  +/- 0.003"  0.375 to 2, incl.  +/- 0.008"
110-H02  0.25  +/- 0.004"  2.25 to 4, incl.  +/- 0.012"
110-H02  0.25  +/- 0.0045"  5  +/- 0.015"
110-H02  0.25  +/- 0.0045"  6  +/- 0.018"
110-H02  0.25  +/- 0.0045"  8  +/- 0.024"
110-H02  0.3125  +/- 0.003"  0.75 to 3, incl  +/- 0.008"
110-H02  0.3125  +/- 0.004"  3.5 to 4, incl.  +/- 0.012"
110-H02  0.375  +/- 0.003"  0.5 to 2, incl.  +/- 0.008"
110-H02  0.375  +/- 0.004"  2.5 to 4, incl.  +/- 0.012"
110-H02  0.375  +/- 0.0045"  5  +/- 0.015"
110-H02  0.375  +/- 0.0045"  6  +/- 0.018"
110-H02  0.375  +/- 0.0045"  8  +/- 0.024"
110-H02  0.5  +/- 0.003"  0.75 to 2, incl.  +/- 0.008"
110-H02  0.5  +/- 0.004"  2.5 to 4, incl.  +/- 0.012"
110-H02  0.5  +/- 0.0045"  5 to 5.5, incl.  +/- 0.015"
110-H02  0.5  +/- 0.0045"  6   +/- 0.018" 
110-H02  0.5  +/- 0.0045"  8  +/- 0.024"
110-H02  0.625  +/- 0.004"  1 to 2, incl.  +/- 0.008"
110-H02  0.625  +/- 0.0045"  2.5 to 4, incl.  +/- 0.012"
110-H02  0.625  +/- 0.005"  5  +/- 0.015"
110-H02  0.625  +/- 0.005"  6  +/- 0.018"
110-H02  0.75  +/- 0.004"  1 to 2, incl.  +/- 0.008"
110-H02  0.75  +/- 0.0045"  2.5 to 4, incl.  +/- 0.012"
110-H02  0.75  +/- 0.005"  5  +/- 0.015"
110-H02  0.75    +/- 0.005"   6   +/- 0.018" 
110-H02  0.75   +/- 0.005"   8   +/- 0.024" 
110-H02  0.875  +/- 0.004"   1.75   +/- 0.008"
110-H02  1.00  +/- 0.004"  1.25 to 2, incl.   +/- 0.008" 
110-H02  1.00   +/- 0.0045"   2.5 to 4, incl.   +/- 0.012" 
110-H02  1.00   +/- 0.005"   5   +/- 0.015" 
110-H02  1.00   +/- 0.005"   6   +/- 0.018" 
110-H02  1.0625  +/- 0.0045"   1.125   +/- 0.008" 
110-H02  1.25  +/- 0.0045"  1.5 to 2, incl.   +/- 0.008"
110-H02  1.25  +/- 0.005"  2.5 to 4, incl.   +/- 0.012" 
110-H02  1.25  +/- 0.006"  5  +/- 0.015" 
110-H02  1.25  +/- 0.006"  6   +/- 0.018" 
110-H02  1.5  +/- 0.0045"  2   +/- 0.008"
110-H02  1.5   +/- 0.005"   2.5 to 4, incl,  +/- 0.012"
110-H02  1.5   +/- 0.006"   5  +/- 0.015"
110-H02  1.5   +/- 0.006"  6   +/- 0.018" 
110-H02  1.75  +/- 0.005"  2.5   +/- 0.012"
110-H02  2  +/- 0.005"  2.5 to 4, incl.  +/- 0.012"
110-H02  2   +/- 0.006"   5   +/- 0.018" 
110-H02  2.5   +/- 0.006"  3 to 4, incl.   +/- 0.012"

 

 

Full Rounded Edge Rectangle Bars
Alloy(s)  Spec. Thickness, in.  Thickness Tol. (over(+)/under(-))  Spec. Width, in.  Width Tol. (over(+)/under(-))
110-H02 (Tinned)  0.125  +/- 0.003"  2 to 4, incl.  +/- 0.008"
110-H02 (Tinned)  0.25  +/- 0.003"  1 to 2, incl.  +/- 0.008"
110-H02 (Tinned)  0.25   +/- 0.004"   2.5 to 4, incl.  +/- 0.012"
110-H02 (Tinned)   0.25   +/- 0.0045"   5  +/- 0.015"
110-H02 (Tinned)   0.25    +/- 0.0045"   6   +/- 0.018" 
110-H02 (Tinned)   0.25    +/- 0.0045"    8   +/- 0.024" 
110-H02 (Silver Flash)   0.1875  +/- 0.003"  1 to 1.5, incl.  +/- 0.008"
110-H02 (Silver Flash)  0.25  +/- 0.003"  0.5 to 2, incl.   +/- 0.008" 
110-H02 (Silver Flash)  0.25   +/- 0.004"   2.5 to 4, incl.   +/- 0.012" 
110-H02 (Silver Flash)  0.25   +/- 0.0045"  5   +/- 0.015" 
110-H02 (Silver Flash)  0.25   +/- 0.0045"   6   +/- 0.018" 
110-H02 (Silver Flash)  0.25   +/- 0.0045"    8   +/- 0.024" 
110-H02 (Silver Flash)  0.375   +/- 0.003"  1.5 to 2, incl.  +/- 0.008"
110-H02 (Silver Flash)  0.375   +/- 0.004"   2.5 to 4, incl.  +/- 0.012" 
110-H02 (Silver Flash)  0.375   +/- 0.0045"   5  +/- 0.015" 
110-H02 (Silver Flash)  0.375   +/- 0.0045"    6  +/- 0.018" 
110-H02 (Silver Flash)  0.5  +/- 0.003"  1.25 to 2, incl.  +/- 0.008"
110-H02 (Silver Flash)  0.5   +/- 0.004"   3 to 4, incl.  +/- 0.012" 
110-H02 (Silver Flash)  0.5   +/- 0.0045"    5   +/- 0.015" 
110-H02 (Silver Flash)  0.5   +/- 0.0045"    6   +/- 0.018" 

 

 

Straightness Tolerance - Rectangle Bar
Alloy(s) Portion of Total Length in Which Depth of Arc Is Measured, in. Max. Curvature (Depth of Arc), in.
All except below 60 0.25"
1/8 thru 5/8" Thick. x 2 thru 6" Width Bar in -H02 Temper 96 0.125"
Straightness tolerance will be void once full length is cut

 

 

 

 

 

 

 

Sheet/Plate
Applicable Alloys: 101(-H01/H02)
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.020  +/- 0.0035"
0.025  +/- 0.0035"
0.032  +/- 0.004"
0.040  +/- 0.005"
0.050  +/- 0.005"
0.062  +/- 0.006"
0.093  +/- 0.007"
0.125  +/- 0.007"
0.190  +/- 0.008"
0.250  +/- 0.012"
0.3125  +/- 0.013"
0.375  +/- 0.013"
0.500  +/- 0.013"
0.625  +/- 0.017"
0.750  +/- 0.017"
0.875  +/- 0.021"
1.000  +/- 0.021"

 

 

Sheet/Plate
Applicable Alloys: 110-H02
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.020  +/- 0.0035"
0.025  +/- 0.0035"
0.032  +/- 0.004"
0.040  +/- 0.005"
0.050  +/- 0.005"
0.060  +/- 0.005"
0.062  +/- 0.006"
0.080  +/- 0.007"
0.093  +/- 0.007"
0.125  +/- 0.007"
0.156  +/- 0.008"
0.1870  +/- 0.008"

 

 

Sheet/Plate
Applicable Alloys: ASTM B370 
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
12 Oz, 0.0160  +/- 0.0012"
16 Oz, 0.0216  +/- 0.0012"
20 Oz, 0.0270  +/- 0.0012"
24 Oz, 0.0323  +/- 0.0015"
32 Oz, 0.0431  +/- 0.0020"

 

 

 

 

 

 

 

Round Tubes
Alloy(s)    Spec. O.D., in.  O.D. Tol. (over(+)/under(-))  Spec. Wall Thickness, in.  Wall Thickness Tol. (over(+)/under(-))
101-H80  Drawn  0.125   +/- 0.002"  0.032  +/- 0.003"
101-H80  Drawn   0.1875  +/- 0.002"  0.032  +/- 0.0025"
101-H80  Drawn   0.1875  +/- 0.002"  0.035  +/- 0.0025" 
101-H80  Drawn   0.250  +/- 0.002"  0.032  +/- 0.0025" 
101-H80  Drawn   0.250  +/- 0.002"  0.035  +/- 0.0025"
101-H80  Drawn   0.3125  +/- 0.002"  0.032  +/- 0.0025"
101-H80  Drawn   0.3125  +/- 0.002"  0.065  +/- 0.0035"
101-H80  Drawn   0.375  +/- 0.002"  0.032  +/- 0.0025"
101-H80   Drawn   0.375   +/- 0.002"   0.035   +/- 0.0025" 
101-H80  Drawn  0.375  +/- 0.002"  0.065  +/- 0.0035"
101-H80  Drawn  0.500  +/- 0.002"  0.032  +/- 0.0025"
101-H80  Drawn  0.500  +/- 0.002"  0.035  +/- 0.0025"
101-H80  Drawn  0.500  +/- 0.002"  0.0625  +/- 0.0035"
101-H80  Drawn  0.500  +/- 0.002"  0.125  +/- 0.005"
101-H80  Drawn  0.625  +/- 0.002"  0.062  +/- 0.0035"
101-H80  Drawn  0.625  +/- 0.002"  0.121   +/- 0.005" 
101-H80  Drawn  0.750  +/- 0.0025"  0.035  +/- 0.0025"
101-H80  Drawn  0.750  +/- 0.0025"  0.0625  +/- 0.004"
101-H80  Drawn  0.750  +/- 0.0025"  0.125  +/- 0.006"
101-H80  Drawn  1.000  +/- 0.0025"  0.049  +/- 0.0035"
101-H80  Drawn  1.000  +/- 0.0025"  0.125  +/- 0.006"
101-H80  Drawn  1.000  +/- 0.004"  0.145  +/- 0.006"
101-H80  Drawn  1.000  +/- 0.0025"  0.25  +/- 0.0175"
101-H80  Drawn  1.250  +/- 0.003"  0.125  +/- 0.006"
101-H80  Drawn  1.250  +/- 0.003"  0.1975  +/- 0.009"
101-H80  Drawn  1.500  +/- 0.003"  0.125  +/- 0.006"
101-H80  Drawn  1.500  +/- 0.003"  0.250  +/- 0.0175"
101-H80  Drawn  1.500  +/- 0.003"  0.375  +/- 0.02625"
101-H80  Drawn  1.625  +/- 0.003"  0.049   +/- 0.003"
101-H80  Drawn  1.750  +/- 0.003"  0.065  +/- 0.004"
101-H80  Drawn  1.750  +/- 0.003"   0.375  +/- 0.02625"
101-H80  Drawn  2.000  +/- 0.003"  0.063  +/- 0.004"
101-H80  Drawn  2.000  +/- 0.003"  0.125  +/- 0.006"
101-H80  Drawn  2.000  +/- 0.003"  0.250   +/- 0.0175"
101-H80  Drawn  2.000  +/- 0.003"  0.500  +/- 0.035"
101-H80  Drawn  2.125  +/- 0.004"  0.250  +/- 0.0175"
101-H80  Drawn  2.250  +/- 0.004"  0.3125  +/- 0.004"
101-H80  Drawn  2.500  +/- 0.004"  0.065  +/- 0.006"
101-H80  Drawn  2.500  +/- 0.004"  0.125  +/- 0.008"
101-H80  Drawn  2.500  +/- 0.004"  0.250  +/- 0.0175"
101-H80  Drawn  2.500  +/- 0.004"  0.375  +/- 0.02625"
101-H80  Drawn  2.750  +/- 0.004"  0.250  +/- 0.0175"
101-H80  Drawn  2.750  +/- 0.004"  0.375  +/- 0.02625"
101-H80  Drawn  2.750  +/- 0.004"  0.625  +/- 0.04375"
101-H80  Drawn  3.000  +/- 0.004"  0.250   +/- 0.0175" 
101-H80  Drawn  3.000  +/- 0.004"  0.625  +/- 0.04375"
101-H80  Drawn  3.375  +/- 0.005"  0.500  +/- 0.035"
101-H80  Drawn  3.500  +/- 0.005"  0.062  +/- 0.006"
101-H80  Drawn  3.500  +/- 0.005"  0.187   +/- 0.011"
101-H80  Drawn  3.500  +/- 0.005"  0.250  +/- 0.0175"
101-H80  Drawn  3.500  +/- 0.005"  0.562  +/- 0.03934"
101-H80  Drawn  3.750  +/- 0.005"  0.500  +/- 0.035"
101-H80  Drawn  4.000  +/- 0.005"  0.250   +/- 0.0175"
101-H58  Drawn  4.000  +/- 0.005"  0.500  +/- 0.035"
101-H58  Drawn  4.000  +/- 0.005"  0.625  +/- 0.04375"
101-H58  Drawn  4.500  +/- 0.006"  0.109  +/- 0.009"
101-H58  Drawn  5.500  +/- 0.007"  0.562  +/- 0.04496"
101-H58  Drawn  6.500  +/- 0.008"  0.500  +/- 0.040"

 

 

Round Tubes
Alloy(s)    Spec. O.D., in.  O.D. Tol. (over(+)/under(-))  Spec. Wall Thickness, in.  Wall Thickness Tol. (over(+)/under(-))
122-H58  Drawn  0.1875  +/- 0.002"  0.032  +/- 0.0025"
122-H58  Drawn   0.250  +/- 0.002"  0.035  +/- 0.003"
122-H58  Drawn   0.250  +/- 0.002"  0.049  +/- 0.003" 
122-H58  Drawn   0.250  +/- 0.002"  0.065  +/- 0.0035" 
122-H58  Drawn   0.3125  +/- 0.002"  0.035  +/- 0.003"
122-H58  Drawn   0.3125  +/- 0.002"  0.065  +/- 0.0035"
122-H58  Drawn   0.375  +/- 0.002"  0.035  +/- 0.003"
122-H58  Drawn   0.375  +/- 0.002"  0.049  +/- 0.003"
122-H58  Drawn   0.500  +/- 0.002"   0.035  +/- 0.003"
122-H58  Drawn   0.500  +/- 0.002"    0.065  +/- 0.0035"
122-H58  Drawn   0.625  +/- 0.002"   0.035  +/- 0.003"
122-H58  Drawn   0.625  +/- 0.002"    0.065  +/- 0.0035"
122-H58  Drawn   0.750  +/- 0.0025"   0.035  +/- 0.0035"
122-H58  Drawn   0.750   +/- 0.0025"  0.049  +/- 0.0035"
122-H58  Drawn   0.750  +/- 0.0025"  0.065  +/- 0.004"
122-H58  Drawn   0.875  +/- 0.0025"  0.065  +/- 0.004"
122-H58  Drawn   1.000  +/- 0.0025"  0.035  +/- 0.0035"
122-H58  Drawn   1.000  +/- 0.0025"  0.065  +/- 0.004"
122-H58  Drawn   1.250  +/- 0.003"  0.065  +/- 0.004"
122-H58  Drawn   1.500  +/- 0.003"  0.065  +/- 0.004"
122-H58  Drawn   2.500  +/- 0.003"  0.065  +/- 0.004"

 

 

Straightness Tolerance - Drawn Round Tube
Alloy(s)   Mill Length, ft. Max. Curvature (Depth of Arc), in.
101, 122 Drawn Over 10 0.5" in any 10-ft portion
Straightness tolerance will be void once full length is cut