|
Grade Category |
Mn content (approx) |
Characteristics / Use |
|
High-grade / Ferro- grade |
~44% Mn or higher |
Used for making ferro-alloys |
|
Medium-grade |
~38-44% Mn |
Can be used in alloying, certain steels, mixes. |
|
Low-grade |
~30-38% Mn or even lower |
chemical uses. |
