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Squareness

Flatness Tolerance Squareness

Squareness

In addition to achieving a certain length and width tolerance, shearing is used to make a sheet square. Checked for by measuring the distance between diagonally opposing corners, the amount a sheet is out-of-square is determined by taking 1/2 the difference of the measurements. Squareness is achieved by trimming the sides and/or ends.

The following tolerances are achievable for re-squared sheets. For the tightest tolerances possible, specify Legends Superior.

REMINDER: Unless specified, Legends India standard tolerance will be applicable.

Legends India Standard Legends Superior
Up to 72" 72" to 120" Up to 120"
Thickness Range Max. Tolerance Out of Square Difference of Diagonal Measure Max. Tolerance Out of Square Difference of Diagonal Measure Max. Tolerance Out of Square Difference of Diagonal Measure
30 - 20GA 1/32" 1/16" 1/16" 1/8" 1/32" 1/16"
19 - 16GA 1/16" 1/8" 1/8" 1/4" 1/32" 1/16"
15 - 12GA 3/32" 3/16" 3/16" 3/8" 1/16" 1/8"
11 - 7GA 3/16" 3/8" 3/8" 3/4" 1/16" 1/8"

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