Metals and Alloys Density of Metals and Alloys Metal or Alloy Density (kg/m³) Actinium 10070 Aluminium 2700 Antimony 6697 Babbitt 7272 Barium 3510 Beryllium 1848 Bismuth 9780 Brass 8200 – 8700 Bronze 8860 Brushed metal 7860 Cadmium 8650 Caesium 1879 Calcium 1550 Cast Iron 7150 Cerium 6689 Chromium 7190 Cobalt 8900 Columbium 8600 Constantan 8880 Copper 8960 Duralumin 2790 Eroded metal 7860 Europium 5244 Gallium 5904 Germanium 5323 Gold 19300 Hafnium 13310 Indium 7310 Iridium 22560 Iron 7874 Lanthanum 6146 Lead 11340 Lithium 535 Magnesium 1738 Manganese 7470 Manganin 8400 Mercury 13534 Molybdenum 10280 Nichrome 8400 Neodymium 7010 Nickel 8908 Nickeline 8790 Niobium 8570 Osmium 22590 Palladium 12023 Platinum 21450 Plutonium 19816 Polonium 9196 Potassium 856 Praseodymium 6640 Radium 5000 Rhenium 21020 Rhodium 12450 Rubidium 1532 Ruthenium 12370 Samarium 7353 Scandium 2985 Sodium 968 Silver 10490 Stainless Steel 7863 Steel 7859 Strontium 2630 Tantalum 16650 Technetium 11500 Tellurium 6240 Thallium 11850 Thorium 11724 Tin 7310 Titanium 4507 Tungsten 19250 Uranium 19050 Vanadium 6110 Yellow Brass 8470 Ytterbium 6570 Yttrium 4472 Zinc 7140 Zirconium 6511