ferromanganese 1.Made by manganese,iron, small amout of C,Si,S,P. 2.Used as alloy agent,compound ... from manganese,silicon,iron and a small amount of carbon and other element of the alloy,it used as deoxidizer,desulferizer and ... as high carbon ,meduim and low ferromanganese and which can be as material to produce electrode weling rod.Specification TypeBrandMn%(min)Si ...