Description

This standard sets out preferred sizes of wrought metal products manufactured from steel (hot rolled and bright), copper and copper alloys, aluminium and aluminium alloys, zinc and zinc alloys.

It applies to round, square and rectangular metal products conventionally known as rod, wire and bar, and to flat metal products conventionally known as plate, sheet, strip and foil.

An appendix provides information on preferred sizes and guidance on selection of sizes.

Scope

This Standard 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, and strip. 

Notes: 

1. For the purposes of this Standard, bright steel is intended to cover cold-drawn, cold-sized, and cold-finished steel, produced by means other than wire manufacture. 
2. Information on preferred sizes and their application in practice is given in Appendix A.