1.tungsten copper alloy 2.model: W75Cu25,W80Cu20 ,W85Cu15 3.package:wooden box ... .alloy density:13.8g/cm3~16.75g/cm 1. tungsten copper alloy2.type:W70Cu30,W75Cu25,W80Cu20,W85Cu15,W90Cu103.alloy density:13 ... %IACSW85Cu1515.902405.730%IACSW90Cu1016.752606.527%IACS 2013 XYX top quality tungsten copper alloy