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Stainless Cold Finished Flat Bar Specifications And Information


T303 A582, QQ-S-764, SAE AMS5640, MIL-S7720

Tolerances for Stainless Cold Finished Flats
Width (inches)
Width Tolerance Thickness Tolerances in Inches
Up to 1/4 Inclusive Over 1/4 Exclusive
1/16 to 3/8 (incl) +0.005
-0.005		 +0.005
-0.005		 +0.002
-0.002
over 3/8 to 1 (incl) +0.004
-0.004		 +0.004
-0.004		 +0.002
-0.002
over 1 to 2 (incl) +0.006
-0.006		 +0.004
-0.004		 +0.003
-0.003
over 2 to 3
(incl)		 +0.008
-0.008		 +0.004
-0.004		 +0.004
-0.004
over 3 to 4 1/2 +0.010
-0.010		 +0.005
-0.005		 +0.005
-0.005
When it is necessary to heat treat or heat treat and pickle after cold finishing, size tolerance are double those shown in the table.
Cold-finished bars over 4-1/2 inch wide or thick are produced; width and thickness tolerances for such bars are not included herein.


Straightness Tolerance for Machined Straightened Bars

C F: 1/16 inch in any 5 foot; but may not exceed 1/16 X (length in ft/5)

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