Specific weight metal and alloy metal or alloy weight (kg/dm3) metal or alloy weight (kg/dm3) ordinary steel 7.8 - 7.9 mercury 13.6 stainless steel 7.48 - 8 antifriction metal 9.3 - 10.6 rolled steel 7.85 white metal 7.1 aluminum foil 2.7 - 2.75 delta metal 8.6 melted aluminum 2.56 - 2.64 molybdenum 10.2 nickel silver 8.4 - 8.9 model 8.36 - 8.84 electrum 8.4 - 8.9 nickel 8.8 silver 10.49 gold 19.25 beryllium 1.84 casting brass 8.4 - 8.7 bronze (8-14% Sn) 7.4 - 8.9 rolled and drawn brass 8.43 - 8.73 bronze phosphorous 8.78 - 8.92 lead 11.34 aluminum bronze (3-10% Al) 7.7 - 8.7 platinum 21.4 lead bronze 8.8 - 9.5 copper 8.93 iron 7.85 beryllium copper 8.1 - 8.25 cast iron 6.8 - 7.8 tin 7.28 light alloy based on Mg 1.76 - 1.87 tungsten 19.1 light alloy based on Al 2.56 - 2.8 zinc 7.1