... 1. Tungsten Alloy Rod, Tungsten Rods, Tungsten Scrap 2. Pure Tungsten, Tungsten Alloy, W-Ni-Fe, W-Ni-Cu 3. Custom Product We stocks Tungsten in ... dimensional stability, glass seals and furnace construction. In addition, Tungsten’s high density gives it a capacity to absorb radioactive ... enhance physical properties and an alloy with nickel, copper and iron to provide high density machinable materials.