... has several grades according to Mn or Carbon content. Ferro Manganese is one of the main raw-materials used for ... according to the Mn and the Caron content:1.) Ferro Manganese High Carbon:Mn 75%min, C 6-8%, Si ... : 1mt big bag,Quantity: 500-2000mt monthly.2) Ferro Manganese Mid Carbon:Mn 78-80%, C 1-2%, Si ... : 1mt big bag,Quantity: 500-2000mt monthly.3.) Ferro Manganese Low Carbon:Mn 78-80%min., C 0.2 ...