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Dart billets are actually tungsten cylinder rods after surface grinding by center-less processing, and their weights are varied from different tungsten contents and rod sizes. Usually W-Ni-Cu dart billet density is 16.0-18.5 g/cm³.Grade Density (g/cm³)
80W 15.4-15.8
85W 15.8-16.0
90W 16.7-17.2
95W 17.9-18.1
97W 18.4-18.5
WNiCu 16.0-18.5
