Ferro Manganese

HC   Mn:70% min, Si:0.5%max / 1.5%max, P:0.1%max / 0.4%max

MC   Min:70% / 80%, Si:1%max / 3%max, 0.15%max / 0.35%max

LC   Min:70% 80%, C:0.1%max, P:0.15%max