Brass

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Brass

An alloy of copper and zinc. It has low friction and so is used in manufactured products such as gears and valves. It is also used in musical instruments.. It may be traded as a commodity on exchanges such as the London Metal Exchange.
References in periodicals archive ?
Vieth, Homogeneity Characterization of NBS Spectrometric Standards It: Cartridge Brass and Low-Alloy Steel.
The new firm is also researching some other innovative ideas in bullet construction, such as true inner-belted softnoses with a soldered belt cut from thick-walled copper tubing inside the jacket, and full-metal-cased bullets jacketed in annealed cartridge brass (in contrast to the steel, gilding metal, or copper casings of conventional "solids").
Starline Brass has a sterling reputation for producing top-quality handgun and straight-walled rifle cartridge cases, and now the company has added bottleneck rifle cartridge brass to its product offerings, including .358 Winchester.
Cartridge brass is about 70-percent copper and 30-percent zinc, a relatively low-cost alloy that s easily softened (annealed) by heating or hardened by "working" to enhance certain characteristics.
It fits conventional cartridge brass and will function with all current feed, prime and de-prime reloading mechanisms.
Modern cartridge brass is superb in quality but obviously is less strong than the steel of the action.