Brasses have excellent resistance to corrosion that makes them a natural, economic first choice for many applications.
Atmospheric exposure of the brasses results in the formation of a thin protective green "patina", a visually attractive feature in buildings.
Brass will remain essentially unaffected for an unlimited period of time, i.e. it will not rust away like iron and steel.
Seawater can be handled successfully providing the correct alloy is chosen, and there is a long history of the use of brass tube and tube fittings, valves, etc. in domestic plumbing, central heating, seawater lines, steam condensers and desalination plant.
High tensile brasses containing manganese have particularly excellent resistance to atmospheric corrosion, continual exposure resulting in a gradual darkening of the bronze colour.