Monel 400
Nickel-copper solid-solution alloy with high strength and excellent corrosion resistance in many environments.
Material overview
Monel 400 is included in the Nickel-Based Alloys catalog. Nickel-copper solid-solution alloy with high strength and excellent corrosion resistance in many environments. Key characteristics for evaluation include Resists seawater, hydrofluoric acid, alkalis and reducing conditions and good mechanical properties from sub-zero to high temperature. Typical applications include Marine engineering, chemical and hydrocarbon processing, heat exchangers, pumps and valves, and freshwater tanks. The dataset currently includes 12 property records covering chemical composition, mechanical properties, and physical properties. Associated standards include B164, B127, B165, and GB/T 15007, and product form records cover Bar / Rod, Plate, and Seamless Pipe / Tube. Final chemistry, mechanical properties, heat treatment, dimensions, inspection, and documentation must be confirmed against the applicable specification and mill certificate.
Key characteristics
- Resists seawater, hydrofluoric acid, alkalis and reducing conditions
- good mechanical properties from sub-zero to high temperature
Typical applications
- Marine engineering
- chemical and hydrocarbon processing
- heat exchangers
- pumps and valves
- freshwater tanks
Grade names and equivalents
Technical properties
Typical values are for reference only. Final chemistry, mechanical properties, heat treatment, dimensions, inspection, and documentation are confirmed against the applicable specification and MTC/COA before order acceptance.
Chemical composition
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Ni | 63.0 min | wt% | Typical value |
| Cu | 28.0-34.0 | wt% | Typical value |
| Fe | 2.5 max | wt% | Typical value |
| C | 0.3 max | wt% | Typical value |
| Mn | 2.0 max | wt% | Typical value |
| Si | 0.5 max | wt% | Typical value |
| S | 0.024 max | wt% | Typical value |
Mechanical properties
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Tensile strength | min 517 | MPa | Annealed |
| Yield strength 0.2% | min 172 | MPa | Annealed |
| Elongation | min 35 | % | Annealed |
Physical properties
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Density | 8.83 | g/cm3 | Typical |
| Melting range | 1300-1350 | C | Typical |
Standards and specifications
Forms, applications, and capabilities
Product forms
Industries
- Industry
- Petrochemical & Chemical
- Industry
- Industry