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phillips24
Penny Pincher Member
USA
142 Posts |
 Posted - 01/18/2009 : 11:33:04
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OK guys I know this may be nitpicking but I am a bit of an anal personality. Isn't the penny composition actually bronze by the copper percentage in the alloy? I know bronze was traditionally used by alloying copper with tin and that older pennies have that alloy. But I've never found anywhere that says that substituting zinc for tin does or doesn't make it a bronze alloy. Help please so I can make my OCD go away!!!!
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fb101
Administrator
USA
2856 Posts |
Posted - 01/18/2009 : 11:37:39
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| In the numismatic references, pennies after the mid 1800s are listed as bronze. |
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Ardent Listener
Administrator
USA
4841 Posts |
Posted - 01/18/2009 : 11:50:37
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Brass is any alloy of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties.[1] In comparison, bronze is principally an alloy of copper and tin.[2] Despite this distinction, some types of brasses are called bronzes. Brass is a substitutional alloy. It is used for decoration for its bright gold-like appearance; for applications where low friction is required such as locks, gears, bearings,doorknobs, ammunition, and valves; for plumbing and electrical applications; and extensively in musical instruments such as horns and bells for its acoustic properties. It is also used in zippers.
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Think positive. |
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knibloe
1000+ Penny Miser Member
USA
1066 Posts |
Posted - 01/19/2009 : 16:18:39
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| I'm more confused than before! |
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keys
Penny Collector Member
383 Posts |
Posted - 01/19/2009 : 17:11:01
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Think of it this way-
brass and bronze are cousins.
They are both in the 'copper alloy' family.
Bronze is used to make statues and usually has a dark brown color when new.
Brass is used to make pipes and is usually a bright yellow color when new.
The point to remember is the term "usually", there are exceptions to the rule,
but follow the rule (brown=bronze, yellow=brass) and it will help prevent confusion.
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I change with the times-
but like silver coins found in your change
I stay the same.
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The United States of America started out as the new Republic of Rome.
Will The United States of America end up as the New Imperial Rome? |
Edited by - keys on 01/19/2009 17:13:11 |
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Copper or Bronze?
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