This standard establishes preferred sizes of wrought metal products manufactured from steel (hot-rolled and bright), copper, copper alloys, aluminium, aluminium alloys, zinc and zinc alloys. It applies to round, square, hexagonal and rectangular metal products conventionally known as rod, wire and bar, and to flat metal products conventionally known as plate, sheet, strip and foil. NOTES:1. For the purposes of this standard, 'bright steel' is intended to cover cold-drawn, cold-sized and cold-finished steel.2. Information on preferred sizes is given in Appendix A.