What is Monel 400 called?
Monel 400
A nickel-copper alloy that is strong and has excellent corrosion resistance in a variety of acidic and alkaline environments and is suitable for reducing conditions. It also has good ductility and thermal conductivity. Monel 400 can be used in a variety of applications and has excellent resistance to seawater and can also be used in hydrochloric and hydrofluoric acids.
Key Features
Monel 400 has the following key features:
Excellent corrosion resistance in a wide range of acidic and alkaline environments
Particularly suitable for reducing conditions
Good ductility and thermal conductivity
Suitable for seawater applications
Typical Applications
Monel 400 is suitable for the following applications:
Offshore
Chemical processing
Hydrocarbon processing
Heat exchangers
Valves
Pumps
Designation
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 |
