... 80/0.5, Medium Carbon 80/1.0, 75/1.5, High Carbon 75/7.0, etc. We produce Low/Medium/High ... Carbon Ferro Manganese in big quantity:Low Carbon Ferro Manganese:Mn 80%min ... %Medium Carbon Ferro Manganese:80/1.0 Grade:Mn 80%min,C 1.0%max,Si 2.0%max,P 0 ... %max,Size : +10 - 100mm 90%min75/1.5 Grade:Mn 75%min,C 1.5%max,Si 2.0%max,P 0 ...