Bronze Bronze is typically 60% copper and 40% tin. Alpha bronze
consists of the alpha solid solution of tin in copper. Alpha bronze
alloys of 4-5% tin are used to make coins, springs, turbines and
blades. Commercial bronze (otherwise known as brass) is 90% copper and
10% zinc, and contains no tin. It is stronger than copper and it
has equivalent ductility. It is used for screws and
wires. Classification of copper and its
alloys Classification of Copper and
Its Alloys - Wrought / Extruded | Family | Principal alloying element | | Copper alloys,
Brass | Zinc (zn) | | Phosphor
bronzes | Tin (Sn) | | Aluminum
bronzes | Aluminum (Al) | | Silicon bronzes | Silicon (Si) | | Copper nickel, Nickel
silvers | Nickel (Ni) | |
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