... ferromanganese 1.Made by manganese,iron, small amout of C,Si,S,P. 2.Used as alloy agent,compound deoxidizer, desurfurizer ferromanganesesiliconmanganese alloy ... of carbon and other element of the alloy,it used as deoxidizer,desulferizer and additive in smelting special steel. ... produce electrode weling rod.Specification TypeBrandMn%(min)Si%(max)C%(max)S%(max)P%(max)HCFeMn74,FeMn78,FeMn68 70-821.5 ...