| Alloy | Composition | Applications |
| Alnico | aluminum 8-12%
nickel 15-26%
cobalt 5-24%
copper 6%
iron 50% or more | Loudspeaker magnets; electric guitar pickup magnets |
| Amalgam | mercury 45-55%
silver tin
copper zinc | Dental fillings |
Babbitt metal
"white metal" | tin 90%
antimony 7-15%
copper 4-10% | Used for coating machine bearings to reduce friction |
| Brass | copper 65-90%
zinc 10-35% | Door locks and bolts, brass musical instruments, central heating pipes |
| Bronze | copper 78-95%
tin 5-22% | Statues, musical instruments |
| Cast iron | Iron 96-98%
carbon 1.8-4%
silicon 1-3% |
Bridges, cannon, engine blocks, track wheels, crankshafts, heavy-duty cookware |
Cupro-nickel
copper nickel | copper 75%
nickel 25% | American coins |
| Duralumin | Aluminum 94%
copper 4.5-5% | Automobile and aircraft body parts, military equipment |
| Gunmetal | Copper 80-90%
tin 3-10%
zinc 2-3%
phosphorus | Guns, decorative items |
| Invar | Iron 64% nickel 36% |
Clock pendulums, scientific instruments
Materials that need heat expansion resistance (Name derived from 'invariable') |
| Magnox | Magnesium
aluminum |
Nuclear reactors (name derived from 'magnesium non-oxidising') |
| Monel | Nickel 52-67%
copper | Corrosion resistant and acid resistant uses |
| Nichrome | Nickel 80%
chromium 20% | Heating elements in electric irons, hair dryers;
igniters for fireworks and explosives |
| Nitinol | Nickel 50-55%
titanium 45-50% | Applications requring shape-memory and superelastacity; temperature switches |
| Pewter | Tin 85-99%
antimony 5-10%
copper 2% bismuth | Candlesticks, goblets, steins, napkin rings, wastebaskets, picture frames, vases |
| Solder | Tin 60-63%
lead 37-40% |
Connecting electrical components into circuits |
Steel
Low-carbon | Iron
carbon 0.05-.25% |
Nuts, bolts, screws, nails, ferrite |
Steel
Medium-carbon | Iron carbon 0.3-0.5% |
Car parts, hand tools (screwdrivers, pliers), crankshafts, railway wheels |
Steel
High-carbon | Iron carbon 0.6-1% |
Springs, aircraft landing gear, cutting tools |
Steel
Ultra-high-carbon | Iron carbon 1.25-2% |
Knives, axles |
| Steel | Iron 80-98%
carbon 0.2-2% |
Buildings, car and airplane parts, and many other uses |
| Stainless Steel | Iron 50%+
chromium 10-30%
nickel aluminum
titanium | Jewelry, surgical tools, tableware |
| Stellite | Cobalt 67%
chromium 28%
tungsten 4%
nickel 1% | Coating for cutting tools such as saw teeth, lathes, and chainsaws |
| Sterling silver | Silver 92.5%
copper 7.5% |
Cutlery, jewelry, medical tools, musical instruments |
| Superalloys | Nickel,
Iron-Nickel and
Cobalt alloys | High-temperature-resistance, used in aeronautics and aerospace industry |
White gold
(18 carat) | Gold 75%
palladium 17%
silver 4% copper 4% | Jewelry |
| Wood's metal | Bismuth 50%
lead 26.7%
tin 13.3%
cadmium 10% | Melting element in fire sprinkler systems |