C1495 Hundred Temperings of Steel

As the head of the Material Department, he's no stranger to titanium. Titanium was not a rare metal. He took up approximately zero of the total amount of titanium in the earth's crust. 42%, more than 70 kinds of titanium minerals, and the strength of titanium was great. It was tough, small in density, high melting point, and very resistant to corrosion.

High-purity titanium had good plasticity