Specifies dimensional tolerances for flat-rolled steels in the form of wide slabs, plate and floorplate rolled on a reversing mill, hot-rolled plate, floorplate, sheet and strip rolled on a continuous mill and cold-rolled sheet and strip. It does not apply to stainless, high alloy and quenched and tempered steels. Two classes of tolerance (A and B) are specified; Class B being the more stringent.