Monel K500 Fasteners Supplier
MT.BOLTS manufactures Monel K500 fasteners using high-strength, corrosion-resistant Monel K500 (UNS N05500) alloy. These fasteners offer excellent resistance to seawater, chemical corrosion, and stress corrosion cracking, making them ideal for use in marine engineering, chemical processing equipment, and high-temperature environments.
Our Monel K500 Fasteners Have the Following Specifications:
- Diameter: M3 to M64 | #4 to 2.5″
- Length: 6mm to 500mm | 0.25″ to 20″
- Thread Pitch: Metric (Coarse/Fine) | UNC/UNF
- Standards: ASME B18.2.1, ASME B18.3, ASME B18.2.2, DIN/ISO/EN (e.g., DIN 933, DIN 934)
- Material Specifications: ASTM F467, ASTM F468, ASTM B865 (Monel K500)
- Types: Bolts, Screws, Nuts, Washers, Studs
We regularly supply Monel fasteners and bolts made from Monel K500 (UNS N05500). Below are its chemical composition and physical properties for your procurement reference.
Monel K500 Fasteners Chemical Composition
| Element | Nickel (Ni) | Copper (Cu) | Iron (Fe) | Manganese (Mn) | Carbon (C) | Aluminum (Al) | Titanium (Ti) | Silicon (Si) | Sulfur (S) |
| Monel K500 | ≥ 63% | 27 – 33% | ≤ 2.0% | — | ≤ 0.25% | 2.3 – 3.15% | 0.35 – 0.85% | ≤ 0.50% | ≤ 0.010% |
Monel K500 Fasteners Mechanical Properties
| Property | Typical Value (Aged Condition) |
| Tensile Strength | ≥ 965 MPa (140 ksi) |
| Yield Strength (0.2% offset) | ≥ 690 MPa (100 ksi) |
| Elongation (in 50mm) | ≥ 20% |
| Hardness | 28–35 HRC |
| Density | 8.44 g/cm³ (0.305 lb/in³) |
| Modulus of Elasticity | ~179 GPa (26,000 ksi) |
| Melting Range | 1315–1350 °C (2399–2462 °F) |
| Service Temperature Range | Up to ~480 °C (900 °F) |
Monel K500 Fasteners Types
MT.BOLTS offers a comprehensive range of Monel K500 fasteners for your selection to meet various application requirements:
Monel K500 Hex Head Screw Bolts
Monel K500 Square Head Bolts
Monel K500 Flange Bolts
Monel K500 Serrated Flange Bolts
Monel K500 Eye bolts
Monel K500 Carriage Bolts
Monel K500 Elevator Bolts
Monel K500 U-Bolts
Monel K500 Anchor Bolts
Monel K500 Expansion Bolt
Monel K500 Lag Bolts
Monel K500 U-Bolts
Monel K500 Hex Head Lag Screws
Monel K500 Shoulder Screws
Monel K500 Socket Cap Screws
Monel K500 Self-Tapping Screws
Monel K500 Hex Nuts
Monel K500 Serrated Flange Nuts
Monel K500 Lock Nuts
Monel K500 Wing Nuts
Monel K500 Coupling Nut
Monel K500 Square Nuts
Monel K500 Acorn Nuts
Monel K500 Wing Nuts
Monel K500 Fully Threaded Rods & Studs
Monel K500 Equal Thread Length Rods & Studs
Monel K500 Unequal Thread Length Rods & Studs
Monel K500 Single End Threaded Studs
Monel K500 Weld Studs
Monel K500 Press-In Captive Studs
Monel K500 Flat Washers
Monel K500 Lock Washers
Monel K500 Curved Washers
Monel K500 Wave Washers
Monel K500 Square Washers
Monel K500 Belleville Washers
Why Choose MT.BOLTS
- Material Diversity
- Standardized Production
- Ample Inventory
- Competitive Pricing
- Low-MOQ Customization
Reasons to Choose Monel K500 Fasteners
Monel K500 fasteners combine the excellent corrosion resistance of Monel 400 with significantly higher mechanical strength due to precipitation hardening. They are ideal for demanding environments requiring durability, resistance to seawater, acids, alkalis, and stress corrosion cracking. Monel K500 also retains strength at elevated temperatures and offers good fatigue resistance, making it a premium choice for critical industrial applications.
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Application of Monel K500 Fasteners
- Marine Engineering – Pumps, shafts, valves, and fasteners exposed to seawater
- Chemical Processing – Equipment handling acids, alkalis, and other corrosive chemicals
- Offshore Oil & Gas – Subsea connectors, risers, valve assemblies
- Aerospace & Defense – Engine components, control systems
- Power Generation – Steam turbines, heat exchangers, boiler components
- Cryogenic Applications – Maintains toughness at low temperatures
FAQ About Monel K500 Fasteners and Bolts
Monel K500 includes aluminum and titanium, allowing precipitation hardening for much higher strength, while retaining Monel 400’s corrosion resistance.
Yes, unlike Monel 400, Monel K500 becomes slightly magnetic after age hardening.
They maintain mechanical strength up to about 480°C (900°F) and are also effective in cryogenic conditions.
They maintain mechanical strength up to about 480°C (900°F) and are also effective in cryogenic conditions.
Welding is difficult due to its age-hardened structure; if needed, Monel 400 is preferred for welded joints.
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