I is hard and very lustrous, suitable for lamp reflectors and axle bearings; II is hard, resonant, and not affected by sea water, for parts of ships, pipes, telegraph wires, and piano strings; III and IV are for cups, spoons, etc.
Manganese Argentan.—
| Copper | 52 to 50 parts |
| Nickel | 17 to 15 parts |
| Zinc | 5 to 10 parts |
| Manganese | 1 to 5 parts |
| Copper, with 15 per cent phosphorus. | 3 to 5 parts |
Readily cast for objects of art.
Aphtite.—
| Iron | 66 parts |
| Nickel | 23 parts |
| Tungsten | 4 parts |
| Copper | 5 parts |
Arguzoid.—
| Copper | 55.78 parts |
| Zinc | 23.198 parts |
| Nickel | 13.406 parts |
| Tin | 4.035 parts |
| Lead | 3.544 parts |
Silver white, almost ductile, suited for artistic purposes. {71}