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Aluminum Technical Data
Wire, Rod and Bar
Rolled or Cold-Finished

Diameter - Round Wire and Rod
Specified
Diameter
in.		 Tolerance - in. plus and minus
Except as noted
Allowable Deviation From
Specified Diameter
Drawn
Wire		 Cold
Finished
Rod		 Rolled Rod
Plus Minus
Up thru 0.035
0.036 - 0.064
0.065 - 0.374
0.375 - 0.500		 .0005
.001
.0015
...		 ...
...
...
.0015		 ...
...
...
...		 ...
...
...
...
0.501 - 1.000
1.001 - 1.500
1.501 - 2.000
2.001 - 3.000		 ...
...
...
...		 .002
.0025
.004
.006		 ...
...
.006
.008		 ...
...
.006
.008
3.001 - 3.499
3.500 - 5.000
5.001 - 8.000		 ...
...
...		 .008
.012
...		 .012
.031
.062		 .012
.016
.031

Thickness and Width - Rectangular Wire and Bar
Specified
Thickness or
Width
in.
Tolerance
in. plus and minus
Allowable Deviation from
Specified Thickness and Width
Drawn Wire
and Cold
Finished Bar		 Rolled Bar
Thickness Width Thickness Width
Up thru 0.035
0.036 - 0.064
0.065 - 0.500
0.501 - 0.750		 .001
.0015
.002
.0025		 ...
...
.002
.0025		 ...
...
.006
.008		 ...
...
...
.016
0.751 - 1.000
1.001 - 1.500
1.501 - 2.000
2.001 - 3.000		 .0025
.003
.005
.008		 .0025
.003
.005
.008		 .012
.016
.016
.020		 .016
.016
.031
.031
3.001 - 4.000
4.001 - 6.000
6.001 - 10.000		 ...
...
...		 .010
...
...		 .020
...
...		 .031
.047
.062

Distance across Flats - Square, Hexagonal and Octagonal Wire and Bar
Specified Distance
Across Flats
in.

Tolerance
in. plus and minus
Allowable Deviation From
Specified Distance
Across Flats
Drawn
Wire		 Cold
Finished
Bar		 Rolled
Bar
Up thru 0.035
0.036 - 0.064
0.065 - 0.374		 .001
.0015
.002		 ...
...
...		 ...
...
...
0.375 - 0.500
0.501 - 1.000
1.001 - 1.500		 ...
...
...		 .002
.0025
.003		 ...
...
...
1.501 - 2.000
2.001 - 3.000
3.001 - 4.000		 ...
...
...		 .005
.008
...		 .016
.020
.020

 
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