Link points to Internet Archive / others. Not hosted by InfraLens. Details
IS 320:2019 is the Indian Standard (BIS) for brass rods and bars. IS 320 covers brass rods and bars for general engineering — machining, forging, and fabrication. Three main grades: 63/37 (alpha-beta brass for hot working), 70/30 (alpha brass for cold working), and 76/22/2 (naval brass with tin for seawater resistance).
Specification for brass rods, bars, and sections covering grades, tempers, dimensions, and mechanical properties for general engineering applications.
Overview
Status
Current
Usage level
Specialized
Domain
Materials Science — Aluminium and Non-Ferrous Metals
A brass alloy with 76% Cu, 22% Zn, and 2% Sn (tin). The tin addition prevents dezincification — selective corrosion of zinc — in seawater. Used for marine hardware, propeller shafts, and condenser tubes.