Ferrous metals and alloys are based on iron and include carbon steels, alloy steels, stainless steels, cast iron, cast steel, maraging steel, and specialty or proprietary iron-based alloys.
Metal sheet is metal or alloy stock supplied or available in the form of sheet or foil. Metal sheet has a thickness between 0.006" and 0.250", and is 24" (609.6 mm) or more in width.