RU2335564C2 RU2005115107A RU2005115107A RU2335564C2 RU 2335564 C2 RU2335564 C2 RU 2335564C2 RU 2005115107 A RU2005115107 A RU 2005115107A RU 2005115107 A RU2005115107 A RU 2005115107A RU 2335564 C2 RU2335564 C2 RU 2335564C2 Authority RU Russia Prior art keywords titanium iron slag melting steel Prior art date 2005-04-25 Application number …
Manganese, chemical element that is a silvery white, hard, brittle metal of Group 7 in the periodic table. It was recognized as an element in 1774 by the Swedish chemist Carl Wilhelm Scheele. Although rarely used in pure form, manganese is essential to steelmaking.