This standard covers steel hot rolled floor plates for flooring, stairways, transportation equipment, and general structural purposes. While it is generally provided in the as-rolled condition, floor plate also may be provided in the heat-treated condition, depending on the material specification. Rolled floor plates have raised figures at regular intervals on one surface of the plate. Floor plate is available in dimensions that meet classification size limits for sheet, strip or plate. Maximum thickness for product delivered under specification is 25mm.