90W ?6.35x45.72mm tungsten dart billet price is 10.60USD/PC on Mar. 28, 2019. Tungsten is the world's 4th heaviest metal. Tungsten heavy alloy contains mainly tungsten ranging from 80wt% to 98wt%, and its density can reach 15.8~ 18.5g/cm3. Nickel, iron, copper serve as binder between tungsten grains and make the material ductile and more machinable. Tungsten dart billet belongs to the W-Ni-Fe series and is made by powder metallurgy techniques.

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