We are offering hc, mc ferro manganese etc.hc ferro manganese with mn 65-70, c 6-8, si 2.0max, p 0.40max, s 0.03max size 20x30x40mm, prime quality with sgs testing at most competitive rates. mc ferro manganese size 10-150mm with mn 72-75, c 1.50max, si 2.0-3.0max, p 0.35max, s 00.03max.