... )and low amounts of Ni,Fe ,Cu,Co,Mo,Cr etc(less then 15%). Luoyang achemetal Co., ... -Fe, some tungsten alloy is added with Co,Mo,Cr, etc. They have very high melting point ... tungsten alloy counterweights for golf and tungsten alloy dart parts spheres, cubes, and projectile shapes 3, High-temperature die, ... and plane; golf and tungsten alloy dart parts spheres, cubes, and projectile shapes 7, Core for ...