... have one or more alloying elements such as silicon, manganese, vanadium, boron, nickel, chromium, molybdenum, It will also have one ... or more alloying elements such as silicon, manganese, vanadium, boron, nickel, chromium, molybdenum, easy-to-hardened and not ... the performance of steel. Main use: widely used in manufacturing alloy steel cars, tractors, ships, steam turbines, heavy machine tools ...