What is Composition of Brass - Definition

Brass is is the generic term for a range of copper-zinc alloys. Increased amounts of zinc provide the material with improved strength and ductility. Brasses with a copper content greater than 63% are the most ductile of any copper alloy and are shaped by complex cold forming operations. Composition of Brass

Brass is is the generic term for a range of copper-zinc alloys. Brass can be alloyed with zinc in different proportions, which results in a material of varying mechanical, corrosion and thermal properties. Increased amounts of zinc provide the material with improved strength and ductility. Brasses with a copper content greater than 63% are the most ductile of any copper alloy and are shaped by complex cold forming operations. Brass has higher malleability than bronze or zinc. The relatively low melting point of brass and its fluidity make it a relatively easy material to cast. Brass can range in surface color from red to yellow to gold to silver depending on the zinc content. Some of the common uses for brass alloys include costume jewelry, locks, hinges, gears, bearings, hose couplings, ammunition casings, automotive radiators, musical instruments, electronic packaging, and coins. Brass and bronze are common engineering materials in modern architecture and primarily used for roofing and facade cladding due to their visual appearance.

For example, UNS C26000 cartridge brass alloy (70/30) is from the yellow brass series, which has the highest ductility. Cartridge brasses are mostly cold formed and they can also be easily machined, which is necessary in making cartridge cases. It can be used for radiator cores and tanks, flashlight shells, lamp fixtures, fasteners, locks, hinges, ammunition components or plumbing accessories.

References:

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Brass

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