We offer a comprehensive range of brass Stampings & metal stamping Services from bronze, copper, steel, electronic, intricate stampings. From concept to launch, we are the one stop shop for all your stamped products..
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What is Brass?
Brass is any alloy of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties. In comparison, bronze is principally an alloy of copper and tin. Despite this distinction some types of brasses are called bronzes and vice-versa. Brass is a substitutional alloy. It is used for decoration for its bright gold-like appearance; for applications where low friction is required such as locks, gears, bearings, doorknobs, ammunition, and valves; for plumbing and electrical applications; and extensively in musical instruments such as horns and bells for its acoustic properties. It is also used in zippers. Because it is softer than most other metals in general use, brass is often used in situations where it is important that sparks not be struck, as in fittings and tools around explosive gases.
Brass has a muted yellow color, somewhat similar to gold. It is relatively resistant to tarnishing, and is often used as decoration and for coins. In antiquity, polished brass was often used as a mirror.
Brasses are medium strength engineering materials, comparable to high strength structural steels and some stainless steels and aluminum alloys. In the softened or annealed condition brasses are ductile and strong but when hardened by cold working their strength increases markedly.
Brass has good strength and excellent corrosion resistance, with no plating or painting required. In the occasional instances when it is necessary to plate brass, because most plated coatings are porous to a certain extent, its inherently good corrosion resistance prevents the early onset of cracks, blisters, or eruptions of rust through the plating that can occur when the substrate is steel.
Brass has likely been known to humans since prehistoric times, even before zinc itself was discovered. It was produced by melting copper together with calamine, a zinc ore. In the German village of Breinigerberg, an ancient Roman settlement was discovered where a calamine ore mine existed. During the melting process, the zinc is extracted from the calamine and mixed with the copper. Pure zinc, on the other hand, has too low a boiling point to have been produced by ancient metalworking techniques. The many references to "brass" appearing throughout the King James Bible are thought to signify another bronze alloy, or copper, rather than the strict modern definition of brass.