Brass is any alloy of copper and zinc; varying the different ratios of copper and zinc gives a myriad of different types of brass, though it’s typical composition is 65% copper and 35% zinc, with the possibility of an aluminium additive, to make the brass stronger and more corrosion resistant.
Brass is most prized for its gold like appearance , and is used in decorative features and ornaments – and has a low friction threshold, so is ideal for locks, gears, bearings ammunition and valves. Brass is also extensively used in musical instruments, from horns to bells – it has an acoustic property that is unmatched by other materials of similar price. Copper also makes brass germicidal, via an effect called oligodynamics. Brass doorknobs disinfect themselves of many bacterial contaminants within eight hours, a useful bonus for hospitals and other contexts.
Brass has a sturdy corrosion resistance, though tarnishes easily – it can however be brought back up to lustre with a mild abrasive and special cleaning solutions. Brass casts well and can be machined or hard or soft soldered, making it an ideal substance for a variety of applications.
Brass Sheet
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