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How many percent of copper percent in brass?
there are many combinations of brass/copper/zinc. High brass for example has 65% copper and 35% zinc. Nickel brass has 70% copper and 24.5% zinc with 5.5% nickel Prince's has 75% copper and 25% zinc
How many percent of copper in pennies?
Lincoln cents post-1982 are only 2.5% copper (the balance is zinc). Lincoln cents pre-1982 are 95% copper (except 1943, which are steel coated with zinc). 1982 Lincoln cents can be either type.
What are 2004 pennies made of?
Pennies produced in 2004 were made from copper-plated zinc. Pennies with 95% copper metal have not been produced since 1982.
Is it pewter if the hallmark says 95 percent zinc?
Pewter is 85% - 99% tin. Other constituents of the alloy are copper, antimony, bismuth and lead. There is no zinc in pewter
What is the ratio of bronze?
There is no specific ratio for bronze because there are many different bronzes. For example, Aluminium bronze contains 92% copper, 8% aluminium. Phosphor bronze contains 89.75% copper, 10% in and 0.25% phosphorus. Manganese bronze contains 58.5% copper, 39.2% zinc, 1% Iron, 1% tin, 0.3% manganese.
