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Physical Properties of Some Metals

Metals	Symbol	Melting Pt. (°Farenheit)	Specific Gravity	Weight (Troy oz./cu. in.)
Aluminum	Al	1221	2.70	1.423
Cadmium	Cd	610	8.65	4.557
Chromium	Cr	3375	7.19	3.788
Copper	Cu	1948	8.96	4.721
Gold	Au	1945	19.32	10.179
Iron	Fe	2795	7.87	4.146
Lead	Pb	622	11.36	5.975
Nickel	Ni	2647	8.90	4.689
Palladium	Pd	2826	12.02	6.322
Platinum	Pt	3222	21.45	11.301
Silver	Ag	1763	10.49	5.527

Specific Gravity?

The specific gravity of a metal or alloy is merely the weight in grams of one cubic centimeter. When it is more convenient to work in troy weights, the number of ounces per cubic inch of any metal or alloy may be found by multiplying its specific gravity by the constant 0.52686. For example, the specific gravity of 14K yellow gold is 13.07. Therefore, 13.07 x 0.52686 = 6.88606. The weight of 14K yellow gold in troy ounces per cubic inch is 6.88606.

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