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77:. It is used to make steam and hydraulic castings, valves, gears, statues, and various small objects, such as buttons. It has a tensile strength of 221 megapascals (32,100 psi) to 310 megapascals (45,000 psi), a specific gravity of 8.7, a
169:, Irish late 17th-century emergency coins, contain gunmetal, as worn and scrapped guns were used to make them; but also many other metals, in particular brass and bronze, as people donated pots and pans and other metal objects.
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is used to produce pipes, valves, and plumbing fixtures and is considered to offer a good mixture of corrosion resistance, strength and ease of casting. It typically contains 85% copper, 5% tin, 5% lead, and 5%
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contains lead in addition to the zinc; it is typically composed of 86% copper, 9.5% tin, 2.5% lead, and 2% zinc. It is used for gears and bearings.
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External doors and windows of offshore rock lighthouses are often made of gunmetal due to its corrosion resistant properties.
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is a related alloy in which the zinc is replaced by 2% lead; this makes the alloy easier to cast but it has less strength.
61:. Proportions vary but 88% copper, 8–10% tin, and 2–4% zinc is an approximation. Originally used chiefly for making
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for that purpose. Gunmetal casts and machines well, and is resistant to corrosion from
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150:, contains 84–86% copper, 0.05% each iron and lead, with the balance being zinc.
313:"C23000 Copper Alloys [Red Brass, C230] Material Property Data Sheet"
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254:"Gateway to Metals Steel & Minerals Castings [Gun Metal]"
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Gunmetal can also mean steel treated to simulate gunmetal bronze.
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is composed of 83% copper, 14% tin, 3% zinc, and 0.8% phosphorus.
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Brady, George Stuart; Henry R. Clauser; John A. Vaccari (2002).
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is composed of 88% copper, 10% tin, and 2% zinc, as is
British
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256:. EuroAsia Softech LLP. December 14, 2015. Archived from
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of 65 to 74, and a melting point of around 1,000 degrees
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218:. McGraw-Hill Professional. pp. 468–469.
107:U.S. government bronze specification G C90500
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123:) contains 88% copper, 8% tin, and 4% zinc.
158:made of this metal are used in machinery.
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127:U.S. government bronze specification H
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287:. McGraw-Hill Professional. p.
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41:in the United States, is a type of
242:. Anchor Bronze & Metals, Inc.
65:, it has largely been replaced by
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240:"C90300 Bronze Navy G - CDA 903"
16:Alloy of copper, tin, and zinc
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315:. Metal Suppliers Online.
21:Gunmetal (disambiguation)
162:Other uses of gun metal
121:Copper Alloy No. C90300
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260:on September 26, 2018
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279:Ammen, C.W. (2000).
19:For other uses, see
140:Copper Alloy C23000
216:Materials Handbook
111:Admiralty gunmetal
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101:Modified gunmetal
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330:. Retrieved
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262:. Retrieved
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142:, which is
45:– an
347:Categories
332:2008-04-09
327:"Gunmetal"
195:2008-04-09
190:"Gunmetal"
176:References
75:salt water
167:Gun money
148:red brass
146:known as
133:Red brass
39:red brass
35:Gun metal
358:Plumbing
156:Bushings
117:G bronze
89:Variants
83:Celsius
353:Bronze
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57:, and
51:copper
43:bronze
136:zinc.
71:steam
67:steel
47:alloy
293:ISBN
266:2017
220:ISBN
144:also
119:(or
73:and
63:guns
59:zinc
289:133
55:tin
49:of
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