International Standards:
UNS N05500, NCu30-3-0.5 (China), 2.4375 (DIN), NW5500 (ISO) 12.
- Chemical Composition:
Ni (63–70%), Cu (27–33%), Al (2.3–3.15%), Ti (0.35–0.85%) 36.
- Low carbon (≤0.25%) and iron content (≤2.0%) enhance weldability and corrosion resistance 14.
2. Mechanical & Physical Properties
Monel K500 combines high strength with resistance to harsh environments:
- Mechanical Properties:
- Tensile Strength: 1030–1100 MPa 34.
- Yield Strength: 690–790 MPa 46.
- Hardness: HRC 35–40 (after aging) 34.
- Physical Properties:
- Density: 8.44 g/cm³ 3.
- Thermal Conductivity: 21.4 W/m·K (20°C) 3.
- Electrical Resistivity: 0.49 μΩ·cm 4.
3. Manufacturing Standards & Nut Types
Monel K500 nuts comply with global standards for critical applications:
- Key Standards:
- ASTM B865 (bars), AMS 4676 (aerospace), ASTM F467 (fasteners), DIN 934 (hex nuts) 12.
- Compatible Nut Variants:
- Hex Nuts (M6–M48)
- Flange Nuts
- Lock Nuts (self-locking designs)
- Heavy-Duty Anchor Nuts 16.
4. Applications in Extreme Environments
Monel K500 nuts excel in industries requiring durability and corrosion resistance:
- Marine Engineering: Offshore platform bolts, seawater-resistant fasteners, submarine components 16.
- Aerospace: Turbine blade fasteners, engine components (≤750°C) 16.
- Chemical Processing: Pump shafts, valve parts, acid-resistant hardware 17.
- Energy Sector: Oil drilling tools, heat exchanger fasteners 47.
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- “Monel K500 Nut Supplier”
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- “ASTM B865 Monel K500 Hex Nuts”
- “Corrosion-Resistant Aerospace Nuts”
- “Non-Magnetic Alloy K500 Fasteners”
Performance Advantages
- Corrosion Resistance: Superior resistance to seawater, acids (e.g., sulfuric, hydrochloric), and chloride stress corrosion 15.
- High-Temperature Stability: Maintains strength up to 750°C due to γ’ phase hardening (Al/Ti precipitates) 36.
- Non-Magnetic: Ideal for sensitive electronic and marine equipment 3.
Monel K500 Key Properties
| Property | Value | Source |
| Tensile Strength | 1030–1100 MPa | 34 |
| Yield Strength (0.2%) | 690–790 MPa | 46 |
| Max Operating Temp | 750°C | 67 |
| Electrical Resistivity | 0.49 μΩ·cm | 4 |
Why Choose Monel K500 Nuts?
Monel K500 nuts are indispensable for applications demanding non-magnetic properties, extreme corrosion resistance, and high mechanical strength. From deep-sea drilling rigs to aerospace turbines, they ensure reliability in the most aggressive environments 16.
Monel K500 nuts, UNS N05500 fasteners, marine corrosion-resistant hardware, aerospace-grade nickel alloy nuts, non-magnetic industrial fasteners.
