... amout of C,Si,S,P. 2.Used as alloy agent,compound deoxidizer, desurfurizer ferromanganesesiliconmanganese alloy is made from manganese,silicon ... steel.It can be divided as high carbon ,meduim and low ferromanganese and which can be as material to produce electrode ... ,FeMn84C0.7,FeMn88C0.2 80-921-20.70.020.4 Low carbon ferromanganese