... 55,00MMHigh quality and purity Nitrided Manganese briquettes, MN briquettes, MN metal briquettes, Manganese ingot, Mn ingot,1)used for ... special steel alloy, stainless steel industry2) dissolve fast , low dissolution temperature, SPEC:Mn 97% ... N 0.05%max.SIZE:28*33*55mm(90%min)manganese briquettes1)improve strength,toughness efficiently2)higher recovery rate, easy ...