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

Open for Orders 24/7!

Copper Tolerances