This may be useful...
"With a gravimetric density of 7.86 grams per cubic centimeter (gms/cc), steel is the lightest of the bunch, followed by bismuth, at 9.60 gms/cc; Tungsten-Iron, at 10.30; Tungsten Matrix, at 10.60; lead, at 11.10; and, the real heavyweight in the ring, Hevi-Shot, at 12...