This table includes tolerances for bars that have not been annealed or that have been annealed, speroidized, normalized and tempered before cold finishing. Tis table does not include tolerances for bars that are normalized or normalized and tempered, after cold finishing.
Note: The Tolerances on Flats apply to thickness as well as width.

Tolerances Provide For Undersize Variation Only

The following formula is the generally accepted industry standard for calculating allowable seam depth

Departure from straightness shall be measured by placing the rod or shapes on a level table so that the arc of departure from straightness is horizontal, and the depth of arc measured with a steel scale and a straight edge.