-
Zinc: Like copper, zinc is present in many alloys (in fact, zinc and copper are both in brass and bronze).
FORBES: Gold Is Good, These Five Metals May Be Better
-
The US, Britain and the EU now all make pennies and cents out of steel with a copper plating as copper rose in price making brass and bronze worth more than face value.
FORBES: The Pakistani 1 Rupee Coin Is Worth More Than 1 Rs
-
Exactly what that copper content is is debatable: various sites give brass or bronze as the alloy and with different copper contents.
FORBES: The Pakistani 1 Rupee Coin Is Worth More Than 1 Rs
-
Copper can also be mixed with other metals to make valuable alloys such as bronze, pewter and brass.
FORBES: Gold Is Good, These Five Metals May Be Better
-
Many French horns, for example, are made of nickel silver, an alloy of copper, zinc, and nickel (it's silver in name and color only), and some are made of nickel bronze, an alloy of copper, tin, and nickel. (Brass itself is an alloy of copper and zinc.) Many brass instruments are silver-plated (sterling silver on brass), and some are gold-plated.
NPR: Young Tuba Player Gets Nod from Phila. Orchestra