1.tungsten copper alloy 2.model: W75Cu25,W80Cu20 ,W85Cu15 3.package:wooden box with foam. 4.alloy density:13.8g/cm3~16.75g/cm ... 1. tungsten copper alloy2.type:W70Cu30,W75Cu25,W80Cu20,W85Cu15,W90Cu103.alloy density:13.8g/cm³~16.75g/cm³4.Main sizes ... time ,thanks in advance . Hot sale XYX 2012 -tungsten copper alloy