Ferro silicon barium is a kind of active ferro alloy, add it into the steel-making procedure, it can improve the nature and distribution of the non-metallic inclusions and metal machining performance. Guarantee specification: Trademark Si Ba Al Mn C P S FeBa30Si35 35.0 60.0 3.0 0.40 0.30 0.04 0.04 FeBa25Si40 40.0 25.0 3.0 0.40 0.30 0.04 0.04 FeBa20Si45 45.0 20.0 3.0 0.40 0.30 0.04 0.04 FeBa15Si50 50.0 15.0 3.0 0.40 0.30 0.04 0.04 FeBa10Si55 55.0 10.0 3.0 0.40 0.30 0.04 0.04 FeBa5Si60 60.0 5.0 3.0 0.40 0.30 0.04 0.04 FeBa2Si65 65.0 2.0 3.0 0.40 0.30 0.04 0.04