... 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 easily deformed by heat treatment ... the performance of steel. Main use: widely used in manufacturing alloy steel cars, tractors, ships, steam turbines, heavy machine ...