Monel 404 Round Bar (UNS N04404)
Monel 404 Round Bar is a nickel–copper alloy specially formulated for electrical and electronic applications that require controlled electrical resistivity combined with good corrosion resistance. It is known for its stability, reliability, and performance in precision electrical components, while still retaining the inherent corrosion resistance of Monel alloys.
Key Features
- Controlled and consistent electrical resistivity
- Excellent corrosion resistance in marine environments
- Good thermal stability
- Reliable mechanical strength
- Good machinability and fabrication properties
- Non-magnetic in the annealed condition
Equivalent Grades
| Standard | Equivalent |
|---|---|
| UNS | N04404 |
| ASTM | Monel 404 |
Sizes
- Diameter: 6 mm to 250 mm
- Length: Random, Cut Length, or as per customer requirement
Monel 404 Chemical Composition
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | 52.0 – 57.0 |
| Copper (Cu) | Balance |
| Iron (Fe) | ≤ 0.5 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 0.5 |
| Carbon (C) | ≤ 0.30 |
UNS N04404 Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥ 400 MPa |
| Yield Strength (0.2%) | ≥ 170 MPa |
| Elongation | ≥ 30% |
| Electrical Resistivity | ~ 0.60 µΩ·m |
Alloy 404 Physical Properties
| Property | Value |
|---|---|
| Density | 8.8 g/cm³ |
| Melting Range | 1300 – 1350 °C |
| Modulus of Elasticity | 179 GPa |
| Thermal Conductivity | 22 W/m·K |
Types of Monel 404 Round Bar
- Hot Rolled Round Bar
- Cold Drawn Round Bar
- Annealed Round Bar
- Precision Machined Bar
Applications
- Electrical resistance components
- Electronic terminals and connectors
- Precision electrical parts
- Marine electrical equipment
- Instrumentation components
- Industrial electrical systems
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