Automotive spring steels, which contain chromium, are elastic and absorb road shocks well. They can be made hard enough to cut almost any material, including other very hard steels. High-speed tool steels are made of iron, tungsten, chromium, and vanadium. Alloys - Some Nonferrous Alloys Nonferrous Alloys Alloys that contain no iron are called nonferrous. Of these, the copper alloys are the largest group.
Most copper alloys are brasses and bronzes.
Brass is copper alloyed with zinc. Most kinds of brass are easily shaped and have a pleasing appearance. Bronze originally meant copper alloyed mostly with tin. Most bronzes possess strength, toughness, and elasticity. Alloys containing aluminum or magnesium are structurally strong and lightweight.