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Aluminum Tube Tolerances

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
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
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
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
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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