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