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Aluminum Tube Tolerances

Seamless Extruded Round Tubing

Diameter
Specified Diameter Inches	Deviation Of Mean From Specified*		Maximum Deviation At Any Point From Specified†
	Inches - Plus and Minus		Inches - Plus and Minus
	Alloys 5083 5086 5454	All Other Alloys	Alloys 5083 5086 5454	All Other Alloys
0.500 - 0.999	.015	.010	.030	.020
1.000 - 1.999	.018	.012	.038	.025
2.000 - 3.999	.023	.015	.045	.030
4.000 - 5.999	.038	.025	.075	.050
6.000 - 7.999	.053	.035	.113	.075
8.000 - 9.999	.068	.045	.150	.100
10.000 - 11.999	.083	.055	.188	.125
12.000 - 13.999	.098	.065	.225	.150
14.000 - 15.999	.113	.075	.263	.175
16.000 - 17.999	.128	.085	.300	.200

*Except for T3510, T4510, T6510 and T8510 tempers.
†Not applicable in the annealed (0) temper or if wall thicknesa ia lean than 2¹/₂% of the OD.

Seamless Extruded Round Tubing

Wall Thickness
Specified Wall Thickness Inches	Deviation Of Mean From Specified								Maximum Deviation At Any Point
	Under 1.250 OD		1.250-2.999 OD		3.000-4.999 OD		5.000 & Over		Maximum Deviation At Any Point
	Alloys 5083 5086 5456	All Other Alloys	Alloys 5083 5086 5456	All Other Alloys	Alloys 5083 5086 5456	All Other Alloys	Alloys 5083 5086 5456	All Other Alloys	All Alloys
Under 0.047	.009	.006	-	-	-	-	-	-	Plus and Minus 10% of mean thickness Max. ±.060 Min. ±.010
0.047 - 0.061	.011	.007	.012	.008	.012	.008	.015	.010
0.062 - 0.077	.012	.008	.012	.008	.014	.009	.018	.012
0.078 - 0.124	.014	.009	.014	.009	.015	.010	.023	.015
0.125 - 0.249	.014	.009	.014	.009	.020	.013	.030	.020
0.250 - 0.374	.017	.011	.017	.011	.024	.016	.038	.025
0.375 - 0.499	-	-	.023	.015	.032	.021	.053	.035
0.500 - 0.749	-	-	.030	.020	.042	.028	.068	.045
0.750 - 0.999	-	-	-	-	.053	.035	.083	.055
1.000 - 1.499	-	-	-	-	.068	.045	.098	.065
1.500 - 2.000	-	-	-	-	-	-	.113	.075

Seamless Extruded Square & Rectangular Tubing

Diameter (Width or Depth)
Specified Width or Depth Inches	Deviation of Width or Depth at Corners From Specified*		Deviation of Width or Depth Not At Corners From Specified†
	Inches - Plus and Minus		Inches - Plus and Minus
	Alloys 5083 5086 5454	All Other Alloys	Alloys 5083 5086 5454	All Other Alloys
0.500 - 0.749	.018	.012	.030	.020
0.750 - 0.999	.021	.014	.030	.020
1.000 - 1.999	.027	.018	.038	.025
2.000 - 3.999	.038	.025	.053	.035
4.000 - 4.999	.053	.035	.068	.045
5.000 - 5.999	.068	.045	.083	.055
6.000 - 6.999	.083	.055	.098	.065
7.000 - 7.999	.098	.065	.108	.075
8.000 - 8.999	.113	.075	.123	.085
9.000 - 9.999	.128	.085	.143	.095
10.000 - 10.999	.143	.095	.158	.105
11.000 - 12.000	.158	.105	.173	.115

*Except for T3510, T4510, T6510, and 18510 tempers.
†Not applicable in the annealed (0) temper or if wall thickness is less than 2 ¹/₂% of the OD.

Seamless Drawn Round Tubing

Diameter
Specified Diameter Inches	Deviation Of Mean From Specified	Maximum Deviation At Any Point From Specified
	Inches - Plus and Minus	Inches - Plus and Minus
	All Alloys	Alloys 1100 5052 3003 5086	Alloys 2014 6061 2024 6063 7075
Less Than 0.500	.003	.003	.006
0.501 - 1.000	.004	.004	.008
1.001 - 2.000	.005	.005	.010
2.000 - 3.000	.006	.006	.012
3.001 - 5.000	.008	.008	.016
5.001 - 6.000	.010	.010	.020
6.001 - 8.000	.015	.015	.030
8.001 - 10.000	.025	.020	.040
10.001 - 12.000	.025	.025	.050

Seamless Drawn Round Tubing

Wall Thickness
Specified Wall Thickness, Inches	Tolerance - Inches, Plus And Minus
	Deviation of Mean From Specified	Max Deviation At Any Point
	Deviation of Mean From Specified	1100 3033 5052 5086	2024 6061 6063 7075
0.010 - 0.035	.002	.002	Plus and minus 10% of specified wall thickness. mm. ± 0.003
0.036 - 0.049	.003	.003
0.050 - 0.083	.004	.004
0.084 - 0.120	.005	.006
0.121 - 0.203	.006	.008
0.204 - 0.300	.008	.012
0.301 - 0.375	.015	.020
0.376 - 0.500	.020	.030

Seamless Drawn Round Tubing

Straightness*
Specified Outside Diameter Or Width	Allowable Deviation From Straight, Inches
Specified Outside Diameter Or Width	In Each Foot Of Length	In Total Length Of Piece
Under 0.375	.500	.500 x length, ft
0.375 - 5.999	.010	.010 x length, ft
6.000 & larger	.020	.020 x length, ft

Not applicable to annealed (-0) temper tube.
Not applicable to lengths under 10 feet.

Seamless Drawn Square & Rectangular Tubing

	Corner Radii
Specified Radius	Allowable Deviation From Specified Inches
Sharp corners	±¹/₆₄
Under 0.188	±¹/₆₄
0.188 and over	±10%

Seamless Drawn Square & Rectangular Tubing

Diameter (Width or Depth)
Specified Width or Depth Inches	Deviation of Width or Depth at Corners From Specified*	Deviation of Width or Depth Not At Corners From Specified
	Inches - Plus and Minus	Inches - Plus and Minus
	All Alloys	All Alloys
Less Than 0.500	.003	.006
0.501 - 1.000	.004	.008
1.001 - 2.000	.005	.010
2.001 - 3.000	.006	.012
3.001 - 5.000	.008	.016
5.001 - 6.000	.010	.020
6.001 - 8.000	.015	.030
8.001 - 10.000	.025	.040
10.001 - 12.000	.025	.050

*Example: The width tolerance of a 1x3 inch rectangle is plus and minus .008 inch and the depth tolerance is plus and minus .012 inch.
See notes under round extruded.

Seamless Drawn Square & Rectangular Tubing

Diameter
Specified Wall Thickness Inches	Deviation Of Mean From Specified	Maximum Deviation At Any Point
Specified Wall Thickness Inches	Deviation Of Mean From Specified	1100 5052 3003 5086	2014 6061 2024 6063 7075
0.010 - 0.035	.002	.002	Plus and minus 10% of mean wall thickness Min. ± .003
0.036 - 0.049	.003	.003
0.050 - 0.083	.004	.004
0.084 - 0.120	.005	.006
0.121 - 0.202	.006	.008
0.204 - 0.300	.008	.012
0.301 - 0.375	.015	.020
0.376 - 0.500	.020	.030

Seamless Pipe

Nominal Pipe Size Inches	Diameter Tolerances				Wall Thickness Tolerances
	Deviation Of Mean From Nominal		Maximum Deviation At Any Point		Maximum Deviation At Any Point Percent of Nominal Wall
	Schedules 5 & 10		Schedules 20 & Over		Schedules 5 & 10		Schedules 20 & Over
	Plus	Minus	Plus	Minus	Plus	Minus	Plus	Minus
¹/₈ - 1 ¹/₂ IPS	.015"	.031"	.015"	.031"	12.5%	12.5%	8% (WT)	12.5%
2 - 4 IPS	.031"	.031"	1%	1%	12.5%	12.5%	8% (WT)	12.5%
5 - 8 IPS	.062"	.031"	1%	1%	12.5%	12.5%	8% (WT)	12.5%
10 - 12 IPS	.093"	.031"	1%	1%	12.5%	12.5%	8% (WT)	12.5%

The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes.

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