Nitrided Manganese metal flakes Spec.: Mn 87%min N 7%min C 0.1% Si 0.5%max Size: 0-2mm,90%min Nitrided Ferro Manganese Spec.: Mn 65-70% N 6-7% C 0.1%max Si 1.0%max Size: Lump 10-80mm,90%min Nitrided Ferro Manganese Spec.: Mn 70-75% N 6-8% C 0.1%max Si 1.0%max Size: Lump 10-50mm,90%min Packing: in 1 mt big bag, then into 20FT container