Monel 400* * Trade name of Special Metals Group of Companies
W.NR 2.4360
W.NR 2.4361
UNS N04400
AWS 040
W.NR 2.4361
UNS N04400
AWS 040
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.
resistance in a range of acidic and alkaline environments and especially suitable for reducing conditions. It also has good ductility and thermal conductivity.
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 |
| 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 | -200o to +230oC | -330o to +445oF | ||
| Spring Temper | 850-1050 N/mm2 | 123-152 ksi | -200o to +230oC | -330o to +445oF | ||
| STANDARDS | ||
| BS 3075 & 3076 NA 13 | DTD 204B | ASTM B164 |
