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.
†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.
†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.
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.
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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