specific gravity of metals Density of Metals.

The mass of over 30 different metals and alloys are listed below. While the data is useful for design, individual samples will differ. Impurities will often have an influence.

A 1000kg of pure water = 1 cubic metre. Pure water was chosen as the 'base line' for specific gravity and given the value of 1. The specific gravity of all other materials are compared to water as a fraction heavier or lighter density. For example,
beryllium has a specific gravity (sg) of 1.84 (1840 kg/cu.m) (see table below)
As specific gravity is just a comparison, it can be applied across any units. The density of pure water is also 62.4 lbs/cu.ft (pounds per cubic foot) and if we know that a sample of alumimium has a sg of 2.5 then we can calculate that its density is 2.5 x 62.4 = 156 lbs/cu.ft.
Note, kg/cu.m divided by 16.02 = lbs/cu.ft

[ go back to density of materials home page ] [ density of wood ] [ density of liquids ] [ density of water ]

 Metal or alloy kg/cu.m aluminium - melted 2560 - 2640 aluminium bronze (3-10% Al) 7700 - 8700 aluminium foil 2700 -2750 antifriction metal 9130 -10600 beryllium 1840 beryllium copper 8100 - 8250 brass - casting 8400 - 8700 brass - rolled and drawn 8430 - 8730 bronze - lead 7700 - 8700 bronze - phosphorous 8780 - 8920 bronze (8-14% Sn) 7400 - 8900 cast iron 6800 - 7800 cobolt 8746 copper 8930 delta metal 8600 electrum 8400 - 8900 gold 19320 iron 7850 lead 11340 light alloy based on Al 2560 - 2800 light alloy based on Mg 1760 - 1870 magnesium 1738 mercury 13593 molybdenum 10188 monel 8360 - 8840 nickel 8800 nickel silver 8400 - 8900 platinum 21400 plutonium 19800 silver 10490 steel - rolled 7850 steel - stainless 7480 - 8000 tin 7280 titanium 4500 tungsten 19600 uranium 18900 vanadium 5494 white metal 7100 zinc 7135
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 We have tried to be accurate with the above table but cannot be held responsible for inaccuracies. Go back to first principals and double check your calculations if the result is 'mission critical'. Remember that you cannot create energy only convert it. Likewise, you will not find a conversion from pounds to metres - the basic units must remain the same - mass converted to mass, length converted to length, et al. You won't usually find a conversion from kilograms to grams - the prefix 'kilo' means '1,000' so a kilogram is in fact 1,000 grams in the same way as a kilometer is 1,000 metres [or about 1,000 yards in 'old money']. I have put a few in the tables because visitors have asked for them. More prefixes can be found on another table. One handy metric link between units to remember is that 1 Litre [1000cc] of pure water weighs 1 kilogram. If accuracy is critical beware of old versions of MS Excel which had problems rounding off numbers. More information on the SI System (Le Système International d'Unités) base units and definitions.