High-carbon ferromanganese: fraction: 10-50 mm, Mn: 75.00 – 80.00%, Si: ≤1.0%; C: 6.00 – 8.00%; P: ≤ 0.20%; S: ≤ 0.030%; Ti: ≤0.20%
Medium-carbon ferromanganese: fraction: 10-50 mm, Mn: 75.00 – 80.00%, Si: ≤ 1.0%; C: ≤ 1.5%; P: ≤ 0.10%; S: ≤ 0.030%; Ti: ≤0.20%
Low-carbon ferromanganese: fraction: 10-50 mm, Mn: ≥ 80.00%, Si: ≤ 1.5 – 2.0%; C: 0.5 - 1.0%; P: ≤ 0.20 – 0.35%; S: ≤ 0.030%; Ti: ≤0.20%