Copper-nickel is a group of materials which shows particular mechanical properties at elevated temperatures together with high resistance to a wide corrosion media.
Produced materials:
- CuNi 44 (2.0842)
- CuNi23Mn (2.0881)
- Alloy 400 – Monel 400 (UNS N04400 / 2.4360 and 2.4361)
- Alloy K-500 – Monel K500 (UNS N05500 / 2.4375)
Chemical composition
| Alloy | C (Max) | Mn (Max) | Si (Max) | Cu | Ni (Min) | Fe | Ti (Max) |
| – | – | – | Balance | 44.5 | 1 | – | |
| – | 1.5 | – | Balance | 23.0 | – | – | |
| 0.3 | 2.0 | 0.5 | 28-34 | 63.0 | Min 2.5 | – | |
| 0.2 | 1.5 | 0.5 | 27–34 | 63.0 | 0.5-2.0 | 0.3-1.0 |
Specification
| Alloy | UNS | Werkstoff Number | ASTM | DIN |
| CuNi 44 | – | 2.0842 | – | 17471 |
| CuNi23Mn | – | 2.0841 | – | 17471 |
| Alloy 400 | N04400 | 2.4361 | B 164 | 17752/17753 |
| Alloy K-500 | N05500 | 2.4375 | B 164 | 17752/17753 |
Products
| Product | Size (mm) |
| Bar | Ø4.0 – Ø50.0 |
| Strip | Width 2.0 – 4.0 |
| Wire & Rod | Ø0.2 – Ø12.0 |
Condition of supply
Alloys are supplied in the following conditions:
- Hot Finished
- Cold Drawn, Special Temper
- Cold Drawn, Annealed
- Cold Drawn, Annealed, Aged.