1.Billets are actually tungsten cylinder rods after surface grinding by centerless processing, and their weights are varied from different tungsten contents and rod sizes2.Usually, we provide products according to clients' specific demands3.We can also offer a range of different tungsten alloys, including W-Ni-Fe, W-Ni-Cu or W-Ni-Cu-Fe, W contains from 65% to 97% . up to the particular requirement for that high-density alloy4.Surface centerless ground can be done upon demand5.Our advanced technology can make tungsten billet at economic cost6.Size can freely follow customer's request7.We can control the density from 16-18g/cm³8.By this you can design your product accurately