Monel 401 Round Bar (UNS N04401)
Monel 401 Round Bar is a nickel–copper alloy specifically developed for electrical and electronic applications where stable electrical resistivity, good corrosion resistance, and excellent thermal stability are required. It combines the corrosion resistance of Monel alloys with controlled electrical properties, making it suitable for precision electrical components and industrial applications.
Key Features
- Stable and predictable electrical resistivity
- Good corrosion resistance in marine and chemical environments
- Excellent thermal stability
- Good mechanical strength and toughness
- Good weldability and fabrication characteristics
- Reliable performance in electrical applications
Equivalent Grades
| Standard | Equivalent |
|---|---|
| UNS | N04401 |
| ASTM | Monel 401 |
Sizes
- Diameter: 6 mm to 250 mm
- Length: Random, Cut Length, or as per customer requirement
Monel 401 Chemical Composition
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | 60.0 – 63.0 |
| Copper (Cu) | Balance |
| Iron (Fe) | ≤ 1.5 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 0.5 |
| Carbon (C) | ≤ 0.30 |
UNS N04401 Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥ 450 MPa |
| Yield Strength (0.2%) | ≥ 170 MPa |
| Elongation | ≥ 30% |
| Electrical Resistivity | ~ 0.55 µΩ·m |
Alloy 401 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 401 Round Bar
- Hot Rolled Round Bar
- Cold Drawn Round Bar
- Annealed Round Bar
- Precision Machined Bar
Applications
- Electrical resistance components
- Heating elements and resistors
- Precision electrical parts
- Instrumentation components
- Marine electrical applications
- Industrial electrical equipment
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