Brass
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Brass is an alloy of copper and zinc, in proportions which can be varied to achieve different colours and mechanical, electrical, acoustic, and chemical properties, but copper typically has the larger
Islamic Golden Age brass astrolabe
Brass lectern with an eagle, attributed to Aert van Tricht, Limburg (Netherlands), circa 1500
Microstructure of rolled and annealed brass (400× magnification)
Brass sampling cock with stainless steel handle
Alloy
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An alloy is a mixture of chemical elements of which in most cases at least one is a metallic element, although the word is also sometimes used for mixtures of elements; herein only metallic alloys are
Brass
…Brass is an alloy of copper and zinc, in proportions which can be varied to achieve different colours and mechanical, electrical, acoustic, and chemical properties, but…
From left to right: three alloys (beryllium copper, Inconel, steel) and three pure metals (titanium, aluminium, magnesium)
Liquid bronze, being poured into molds during casting
A brass lamp
A gate valve, made from Inconel