| Name of alloy | Important use in industry |
| (1) Bronze (Cu + Sn) | In making statues, medals and trophies (as it is tough, strong and corrosionresistant) |
| (2) Cupranickel (Cu + Ni) | In making machinery parts of marine ships, boats, marine condenser tubes. |
| (3) Stainless steel | In the construction of the outer fuselage of ultrahigh-speed aircraft. |
| (4) Nichrome : (Ni+ Cr in the ration 80 : 20) | For gas turbine engines. |
| (5) Titanium alloys | For ultra-high-speed flight, fireproof bulkheads and exhaust shrouds (as they withstand high temperatures). |