T304/304				ASTM A240, ASTM A666, ASME SA240
T304/304L				ASTM A240, ASTM A666, ASME SA240
T316/316L				ASTM A240, ASTM A666, ASME SA240

Cut Flats (CFlats) Tolerances or sometimes referred to as Sheared and Edged Flat Bar Width (inches) Width Tolerance Thickness Tolerances in Inches 1/8 3/16 1/4 3/8 1/2 to 4 (incl) +0.094-0.031 +0.010-0.010 +0.050-0.010 +0.050-0.010 +0.060-0.010 +0.060-0.010 over 4 +0.094-0.094 +0.010-0.010 +0.050-0.010 +0.050-0.010 +0.060-0.010 +0.060-0.010

By agreement between purchaser and seller, tolerances can be shifted as desired to any combination of plus-minus tolerance between all minus and all plus.

Standard length tolerance for a 12 foot bar is plus 3/16 minus 0 except when ordered in random lengths.

Straightness Tolerance for Machined Straightened Bars
H F: 1/8 inch in any 5 foot; but may not exceed 1/8 x (length in ft/5)