It is the principle strengthening element in carbon steels and low-alloy steels. Atomic number 6, atomic weight 12.01115. Manganese (Mn): Manganese is a brittle, metallic element that exists in ...

Non-ferrous alloy, harder than brass and corrosion resistant, reddish/yellow in colour Castings, bearings Stainless steel (alloy of steel also with chromium, nickel and magnesium) Ferrous metal ...