This specification covers electrolytic manganese classified into Grades A (regular), B (intermediate hydrogen), C (low hydrogen), D (4.5% nitrogen bearing), E (6%nitrogen bearing) and F (weld graded powder). The specimens shall conform to the required chemical compositions of manganese, sulfur, hydrogen, nitrogen, iron, carbon, phosphorus, silicon, and aluminum.

1.1 This specification covers several grades of electrolytic manganese designated as follows: