... (between 17 and 18.6 g/cc). Nickel, iron and copper serve as a binder matrix, which holds the brittle tungsten ... -330025-31The major products and services of Tungsten Heavy Alloy --Tungsten heavy alloy rod, bar, cube, brick, block, plate for various ... yacht, sailboat, submarine and other vessels by tungsten heavy alloy. --Tungsten heavy alloy ballast for aircraft, helicopter, F1 racing cars and other ...