Low-carbon ferromanganese (%) category % Mn C Si P S FeM n88C0.2 85.0-92.0 0.2max 1 max 0.1max 0.02 max FeMn84C0.4 80.0-87.0 0.4 max 2 max 0.3 max 0.02 max FeMn84C0.7 80.0-87.0 0.7 max 2 max 0.2 max 0.02 max