Tungsten is a metal in group VIB of the periodic table with atomic number 74, an atomic weight of 183.85, and a density of 19.3 Mg/m 3. Its melting point is 3410 C, and it boils at 5930 C. In the ...

The phone has been ringing off the hook for Lewis Black after China imposed export controls on tungsten, a niche metal mined by his firm that’s crucial to weapons manufacturing. The chief ...