Monel 400 / UNS N04400
Nickel-copper alloy combining toughness with strong resistance to seawater, hydrofluoric acid and many reducing environments.
Request Monel 400 QuoteMonel 400 Can Be Supplied in Multiple Forms.
UNS N04400 can be reviewed in different product forms to match fabrication, machining and project requirements. Final availability depends on specification, dimensions, heat-treatment condition, quantity and inspection requirements.
Bar & Rod
Forged, rolled, peeled and machined bar supplied to project dimensions and finishing requirements.
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Pipe & Tube
Seamless pipe, straight tube and U-bend tube for process, pressure and heat-transfer service.
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Sheet & Plate
Plate and sheet for pressure equipment, vessels, exchangers, high-temperature service and fabrication.
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Wire
Alloy wire for welding, springs, heating, forming and engineered applications.
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Strip
Cold-rolled and precision strip for heat-resistant, electrical, spring and specialty component applications.
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Forgings
Custom forged bars, rings, blanks and near-net components for demanding mechanical and thermal service.
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Welding Materials
Nickel and nickel-alloy welding wire and specialty welding materials for compatible fabrication and repair.
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Machined Parts
Drawing-based components with material traceability, machining control and inspection support.
Request this form →Overview & Key Features
Monel 400 is widely used in marine, chemical and process applications requiring corrosion resistance, mechanical toughness and reliable performance over a broad temperature range.
Applications
Marine shafts and fittings, seawater equipment, pumps and valves, chemical-processing equipment, heat exchangers and hydrofluoric-acid service.
Supply Support
Dimensions, condition, testing, inspection and documentation can be tailored to the applicable product specification and project purchase order.
Composition, Mechanical Properties & Product Standards
Monel 400 Specification
| UNS | W.Nr. |
|---|---|
| N04400 | 2.4360 |
Chemical Composition
| Grade | % | Ni | Cu | Fe | C | Mn | Si | S |
|---|---|---|---|---|---|---|---|---|
| 400 | Min | Bal. | 28 | |||||
| Max | 34 | 2.5 | 0.3 | 2 | 0.5 | 0.024 |
Mechanical Properties — Minimum Value at 20°C
| Tensile Strength σb / MPa | Yield Strength σp0.2 / MPa | Elongation σ5 / % |
|---|---|---|
| 480 | 170 | 35 |
Product Standards
| Bar | Forging | Sheet / Strip | Wire | Pipe |
|---|---|---|---|---|
| ASTM B164 | ASTM B564 | ASTM B127 | ASTM B164 | ASTM B165 ASTM B725 |