Luminum

Thickness Tolerances Of Aluminum Alloys 5052, 5056, & 6061



The table below shows the thickness tolerances of alloys for various specified thicknesses and widths.  It applies to alloys 5052, 5086 and 6061, as well as to available alloys 2036, 3004, 5083, 5154, 5252, 5458.

The same tolerances apply to brazing sheet numbers 11, 12, 23, and 24.  These tolerances also apply to alclad variations of all alloys.

The data are based on standards developed by the Aluminum Association and ANSI.


  Specified Width In Inches
 > 0  > 39.37  > 59.06  > 78.74  > 98.43  > 118.11  > 137.80  > 157.48
<= 39.37 <= 59.06 <= 78.74 <= 98.43 <= 118.11 <= 137.80 <= 157.48 <= 177.17
Specified Thickness Tolerances Plus Or Minus In Inches
 > 0.0059 <= 0.010 0.0010 0.0020 - - - - - -
 > 0.010 <= 0.016 0.0015 0.0025 - - - - - -
 > 0.016 <= 0.025 0.0020 0.0030 - - - - - -
 > 0.025 <= 0.032 0.0020 0.0035 0.0045 - - - - -
 > 0.032 <= 0.039 0.0025 0.0035 0.0055 0.007 - - - -
 > 0.039 <= 0.047 0.0030 0.006 0.008 0.010 0.0030 0.011 - -
 > 0.047 <= 0.063 0.0030 0.0045 0.007 0.009 0.011 0.013 - -
 > 0.063 <= 0.079 0.0035 0.0055 0.007 0.010 0.013 0.015 - -
 > 0.079 <= 0.098 0.0035 0.006 0.008 0.011 0.015 0.018 - -
 > 0.098 <= 0.126 0.0045 0.007 0.010 0.013 0.016 0.020 - -
 > 0.126 <= 0.158 0.0055 0.008 0.012 0.015 0.018 0.022 - -
 > 0.158 <= 0.197 0.007 0.010 0.015 0.018 0.022 0.026 - -
 > 0.197 <= 0.248 0.009 0.012 0.017 0.021 0.025 0.029 - -
 > 0.248 <= 0.315 0.012 0.015 0.019 0.024 0.029 0.033 0.041 0.051
 > 0.315 <= 0.394 0.017 0.018 0.022 0.028 0.033 0.039 0.047 0.059
 > 0.394 <= 0.630 0.023 0.023 0.028 0.033 0.039 0.047 0.058 0.070
 > 0.630 <= 0.984 0.031 0.031 0.037 0.043 0.051 0.060 0.070 0.085
 > 0.984 <= 1.575 0.039 0.039 0.047 0.055 0.065 0.075 0.090 0.105
 > 1.575 <= 2.362 0.055 0.055 0.060 0.070 0.090 0.100 0.115 -
 > 2.362 <= 3.150 0.075 0.075 0.085 0.100 0.110 0.125 - -
 > 3.150 <= 3.937 0.100 0.100 0.115 0.130 0.150 0.180 - -
 > 3.937 <= 6.299 0.130 0.130 0.145 0.165 - - - -

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