... : max 0,03% Si: max 0,5% P: max 0,01% S: max 0,05% specs :Mn: min.97%C: max ... : max 0,01%S: max 0,05%Size: 25,00MM X 33,00MM X 55,00MMHigh quality and purity Nitrided Manganese briquettes ... 0.01%max., Si 1.0%max., Fe 0.50%max., N 0.05%max.SIZE:28*33*55mm(90%min)manganese ... strength,toughness efficiently2) dissolve fast, low dissolution temperature2)higher recovery manganese metal briquettes