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Gunmetal parts

Gunmetal, or red brass in the United States, is a metal alloy. It is a type of bronze – an alloy of copper, tin and zinc.

Proportions of its metals vary. 88% copper, 8-10% tin and 2-4% zinc is usual.[1]

Originally it was used for making cannons. Guns are now made of steel. Gunmetal is easy to cast and work on a lathe. It resists corrosion from steam and salt water. It is used to make steam and hydraulic castings, valves, gears, statues, and various small objects such as buttons.

References[change | change source]

  1. "Gunmetal". Archived from the original on 2012-03-20. Retrieved 2008-04-09.