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Copper Alloys

Copper is a ductile and malleable base metal that is valued for its high thermal and electrical conductivity. 


Common Alloys

Bronze: 88-95% Cu by weight. Used in coins, cymbals, and artwork.

Aluminum Bronze: 74-95% Cu by weight. Higher corrosion resistance than regular bronze and used for marine applications.

Brass: a wide range of alloys containing 50-90% Cu by weight. Made into everything from ammunition cartridges to doorknobs.

Cupronickel: 55-90% Cu by weight. Used in coins, marine applications and in musical instrument strings.


Properties of  Some Cu–Ni Alloys
AlloyDensityThermal conductivityTECElectrical  resistivityElastic modulusYield strengthTensile strength
g/cm3W/(m·K)µm/(m·K)µOhm·cmGPaMPaMPa
90–108.9401719135105275
70–308.95291634152125360
66–30–2–28.862515.550156170435








UNS Standard  Compositions of Wrought Alloys (in at%). Maximum Value or Range.
Alloy UNS No.Common  nameEuropean  specNiFeMnCu
C7060090–10CuNi10Fe9–111–1.81Remainder
C7150070–30CuNi30Fe29–330.4–1.01Remainder
C7164066–30–2–2
29–321.7–2.31.5–2.5Remainder



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Nippon Titanium Metals Corporation

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Azuchimachi, Chuo-ku Osaka-shi,

Osaka, 541-0052 JAPAN

E-mail: info@nippontitanium.com


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Tel: 81 (6) 6210-4293

Fax: 81 (6) 6210-4294

E-mail: sales@nippontitanium.com


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