... , it has several grades according to the Mn. Ferro Silicon Manganese is the one of the main raw-materials used ... to the Mn. 1. Silicon Manganese 65Mn 65% Min., Si 17% Min., C 2% Max., P 0.2% Max., S 0.05 ... as the buyer's options 2. Silicon Manganese 60Mn 60% Min., Si 14% Min., C 2% Max., P 0.2% Max., S 0.05 ... % MaxSize: 10-50 Mm 90% Min or as the buyer's options 3. Silicon ...