Learn about Monel® 400, a Nickel-Copper alloy recognized for its outstanding corrosion resistance.
Monel® 400 Overview
Alloy 400 is a high-strength nickel-copper alloy recognized for its outstanding corrosion resistance in both acidic and alkaline environments, particularly under reducing conditions. It also offers good ductility and effective thermal conductivity. This alloy is widely used across various industries due to its excellent performance in marine environments, especially its resistance to seawater, as well as its suitability for handling hydrochloric and hydrofluoric acids.
Monel® 400 Composition
| C | Si | Mn | S | Cu | Fe | Ni+Co | Co | |
|---|---|---|---|---|---|---|---|---|
| Min % | – | – | – | – | 28 | – | 63 | |
| Max % | 0.3 | 0.5 | 2 | 0.024 | 34 | 2.5 | 70 | 2 |
Designations and Specifications
Designations
- W.Nr 2.4361
- W.Nr 2.4360
- UNS N04400
Specifications
- AMS 4730
- ASTM B164
- BS 3075 NA 13
- BS 3076 NA 13
- DTD 204B
- ISO 15156-3
- NACE MR 0175
- QQ-N-281
Applications
Common Monel® 400 applications include:
- Rivets
- Heat Exchangers
- Valves
- Pumps
- Chemical Processing
- Marine Engineering
- Hydro-carbon Processing
- Springs
Tensile Strength
| Condition | N/mm² | KSI |
|---|---|---|
| Annealed | <600 | <87 |
| Condition | As Drawn | |
|---|---|---|
| N/mm² | KSI | |
| Spring Temper | 800-1100 | 116-160 |
Packaging Options
- Coils
- Spools
- Bars/Cut Lengths
- Custom Packaging Available