Luminum

Flatness Tolerances Of Magnesium Tooling Plate



The table below shows the flatness tolerances for AZ31B magnesium tooling plate.

Deviations from flat are determined by placing a straight edge placed on the surface of a plate and measuring the largest gap, if any, between the tool and the surface of the plate.

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


  Deviation From Flat In Inches
In Any 1 Foot In Any 6 Feet
Specified Thickness Guaranteed Typical Guaranteed Typical
 > 0.250 <= 1000 0.005 0.003 0.015 0.007
 > 1.000   0.010 0.005 0.020 0.010

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