... , and toughness. 1.Safety 2.Tough 3.Light Alloy steel material introductionAlloy steel is high polymer material that be ... manganese (the most common one), nickel, chromium, molybdenum, vanadium, silicon, and boron. Less common alloyants include aluminum, cobalt, copper, ... zirconium.The following is a range of improved properties in alloy steels (as compared to carbon steels): strength, hardness, ...