Naval brass is a specialised copper-zinc-tin alloy designed for exceptional corrosion resistance in marine environments. Typically composed of approximately 60% copper, 39% zinc, and 1% tin, this alloy achieves superior seawater resistance through the addition of tin, which prevents dezincification and enhances durability under harsh saltwater conditions. Naval brass exhibits excellent strength, rigidity, and mechanical properties due to its duplex alpha-beta structure, making it ideal for marine applications where high strength and corrosion resistance are critical. The alloy demonstrates good hot workability, excellent resistance to wear, fatigue, galling, and stress corrosion cracking, while maintaining antimicrobial properties that prevent biofouling in marine environments.
Equivalent naval brass grades with their ISO symbols and international standards are:
These grades ensure global standardisation and compatibility for naval brass applications across different maritime industries and specifications, with the ISO symbols providing universal reference points for procurement and engineering requirements.