UNS N04400 — The classic Ni-Cu marine alloy — in continuous seawater service for over a century.
Nominal published values, annealed condition. Certified heat lots ship with actual MTC values.
| Property | Value |
|---|---|
| UNS number | N04400 |
| Family | Monel |
| Nominal chemistry | Ni ≥ 63% · Cu 28–34% · Fe ≤ 2.5% |
| Min. yield strength | 240 MPa |
| Min. tensile strength | 550 MPa |
| Max service temperature | 480 °C |
| Density | 8.80 g/cm³ |
Seawater valves, pumps & propeller shafts
Marine piping & heat exchangers
HF acid alkylation units
Brine heaters & evaporators
All forms consolidated into one PO with matching heats and one MTC package.
Form, dimensions, quantity, standard — that is all we need. A named metallurgist replies with pricing, lead time and MTC sample.