... .Made by manganese,iron, small amout of C,Si,S,P. 2.Used as alloy agent,compound deoxidizer, desurfurizer ferromanganesesiliconmanganese alloy is ... rod.Specification TypeBrandMn%(min)Si%(max)C%(max)S%(max)P%(max)HCFeMn74,FeMn78,FeMn68 70-821.5-4.58 0 ... .5,FeMn78C2.0 75-851.5-2.520.03 0.4LCFeMn84C0.4,FeMn84C0.7,FeMn88C0.2 80-921-20.70.020.4 ...