Monel 400* Specification
*Trade name of Special Metals Group of Companies
- W.NR 2.4360
- W.NR 2.4361
- UNS N04400
- AWS 040
Applicable Standards:
- BS 3075 NA 13
- BS 3076 NA 13
- DTD 204B
- ASTM B164
- QQ-N-281-D
- NACE MR0175 / ISO 15156-3
A Nickel-Copper alloy with high strength and excellent corrosion resistance in a range of acidic and alkaline environments and especially suitable for reducing conditions. It also has good ductility and thermal conductivity.
| Good Mechanical Properties at Elevated Temperatures | No |
| Corrosion Resistant at Ambient Temperatures | Yes |
| Corrosion Resistant & Good Mechanical Properties at Elevated Temperatures | No |
| Oxidation Resistant | No |
| Precipitation Hardenable | No |
Applications include:
- Marine Engineering
- Chemical Processing
- Hydro-carbon Processing
- Heat Exchangers
- Valves
- Pumps
| Approximate Chemical Composition | |
| Ni | 63% min |
| Cu | 28 - 34% |
| Fe | 2.5% max |
| Mn | 2% max |
| Properties | ||
| DENSITY | 8.8 g/cm3 | 0.318 lb/in3 |
| MELTING POINT | 1350oC | 2460oF |
| COEFFICIENT OF EXPANSION | 13.9 µm/m °C (20 - 100°C) |
7.7 x 10-6 in/in
°F (70 - 212°F) |
| MODULUS OF RIGIDITY | 65.3 kN/mm2 | 9471 ksi |
| MODULUS OF ELASTICITY | 173 kN/mm2 | 25092 ksi |
| CONDITION OF SUPPLY | HEAT TREATMENT (AFTER FORMING) |
| Annealed/Spring Temper | Stress relieve at 300 - 320oC (570 - 610oF) for 30 - 60 minutes and air cool. |
| CONDITION | APPROX TENSILE STRENGTH | APPROX SERVICE TEMPERATURE | ||
| Annealed | 400 - 600 N/mm2 | 58 - 87 ksi | -200 to +230oC | -330 to +445oF |
| Spring Temper | 850 - 1050 N/mm2 | 123 - 152 ksi | -200 to +230oC | -330 to +445oF |
Alternatively call us on +44 (0)1384 262022
or email us at
Print this page...
Request a Brochure...
