Alloy Wire International
Datasheet: Monel® 400
Monel® 400
A Nickel-Copper alloy with high strength and excellent corrosion resistance in a range of acidic and alkaline environments and suitable for reducing conditions. It also has good ductility and thermal conductivity. Used in a variety of applications, Monel® 400 has excellent resistance to seawater, and can also be used in hydrochloric and hydrofluoric acids.
Monel® 400 is also known as Phyweld 400 and Nicorros LC.
Available in all profile options
Key Features
Monel® 400 offers the following key features:
Excellent corrosion resistance in a wide range of acidic & alkaline environments
Especially suitable for reducing conditions
Good ductility & thermal conductivity
Good for sea water applications
Typical Applications
Monel® 400 is known to be suitable for the following applications:
Marine engineering
Chemical processing
Hydro-carbon processing
Heat exchangers
Valves
Pumps
Designations
W.Nr 2.4361
W.Nr 2.4360
UNS N04400
AWS 040
Specifications
AMS 4730
ASTM B164
BS 3075 NA 13
BS 3076 NA 13
DTD 204B
ISO 15156-3
(NACE MR 0175)
QQ-N-281
Chemical Composition
The chemical composition of Monel® 400 is indicated in the table below:
| Element | Min % | Max % |
|---|---|---|
| C | – | 0.3 |
| Si | – | 0.50 |
| Mn | – | 2.00 |
| S | – | 0.024 |
| Cu | 28.00 | 34.00 |
| Fe | – | 2.50 |
| Ni+Co | 63.00 | 70.00 |
| Co | – | 2.0 |
Alloy Details
Monel® 400 density, melting point, coefficient of expansion, modulus of rigidity, and elasticity is indicated in the table below:
| Density | Melting Point | Coefficient of Expansion | Modulus of Rigidity | Modulus of Elasticity |
|---|---|---|---|---|
| 8.8 g/cm³ | 1350 °C | 13.9 μm/m °C (20 – 100 °C) | 65.3 kN/mm² | 173 kN/mm² |
| 0.318 lb/in³ | 2460 °F | 7.7 x 10-6 in/in °F (70 – 212 °F) | 9471 ksi | 25092 ksi |
Heat treatment of finished parts
The typical heat treatment of Monel® 400:
| Condition as supplied by AWI | Type | Temperature | Time | Cooling |
|---|---|---|---|---|
| Annealed or Spring Temper | Stress Relieve | 300 – 320 °C (570 – 610 °F) | 0.5 – 1 Hr | Air |
Properties
The typical mechanical properties of Monel® 400:
| Annealed | ||
|---|---|---|
| Approx. tensile strength | <600 N/mm² | <87 ksi |
| Approx. operating temperature | -200 to +230 °C | -330 to +445 °F |
| Spring Temper | ||
|---|---|---|
| Approx. tensile strength | 800 – 1100 N/mm² | 116 – 160 ksi |
| Approx. operating temperature | -200 to +230 °C | -330 to +445 °F |
The above tensile strength ranges are typical. If you require different please ask.
*Trade name of Special Metals Group of Companies
