Gunmetal

Description

1) A bronze alloy containing 88-90 % Copper, 10% Tin and 0-2% Zinc. Gunmetal is an easily cast, golden-color alloy that forms a strong noncrystalline structure. It was originally used to produce small cannons, but is now used for guns, machines, gears and valves.

2) Any metal alloy with a dark gray or bluish gray color.

Synonyms and Related Terms

gun metal; G bronze; admiralty gunmetal; BES No.383

Physical and Chemical Properties

Density	8.7

Resources and Citations

• Oppi Untracht, Metal Techniques for Craftsmen, Doubleday & Company, Garden City, 1968

• The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998

• G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 383

• Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942

• Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997