phosphor bronze

noun
a bronze, composed of about 80 percent copper, 10 percent tin, 9 percent antimony, and 1 percent phosphorus, having great hardness and resistance to corrosion.

Origin:
1870–75

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World English Dictionary
phosphor bronze
 
n
any of various hard corrosion-resistant alloys containing copper, tin (2--8 per cent), and phosphorus (0.1--0.4 per cent): used in gears, bearings, cylinder casings, etc

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
Bridging clips shall be two terminals, made of tin-plated phosphor bronze alloy.
Phosphorus is also important in the production of steels, phosphor bronze, and many other products.
Alloys of tin are used in articles containing soft solder, pewter, bronze and phosphor bronze.
The main bearings in the engines are made of an aluminum and tin alloy with phosphor bronze.
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