Monel K500 Fasteners (UNS N05500)
Ananka Fasteners is a premier manufacturer and supplier of ultra-high-strength Monel K500 Fasteners (W.Nr. 2.4375). Manufactured according to official Special Metals Alloy Standards, Alloy K500 combines the outstanding corrosion resistance of Monel 400 with aluminum-titanium precipitation hardening to achieve increased yield strength and hardness while remaining non-magnetic.
Monel K500 Fasteners Manufacturer
Monel K500 Fasteners Exporter
Monel K500 Fasteners Stockist
■ Monel Alloy Selection Grid
To assist procurement managers and engineers, use our technical grid below to compare the performance profiles of our primary Monel grades. Click the specific grade for its dedicated specification page.
| Grade / Anchor Link | Yield Strength (Min) | Key Characteristics | Primary Application |
|---|---|---|---|
| Monel 400 Fasteners | 35 ksi (240 MPa) | Excellent in flowing seawater & hydrofluoric acid | Marine Engineering, Desalination, Chemical Plants |
| Monel K500 Fasteners | 110 ksi (758 MPa) | Age-hardened for extreme strength, non-magnetic | Propeller shafts, Oil well drill collars, Marine pumps |
■ Complete Range of Monel K500 Fasteners
We manufacture a comprehensive range of Alloy K500 fasteners engineered for extreme mechanical stress and highly corrosive environments.
| Bolts & Screws | Nuts & Washers | Studs & Rods |
|---|---|---|
| Hex Bolts / Heavy Hex Bolts | Hex Nuts / Heavy Hex Nuts | Fully Threaded Studs |
| Socket Head Cap Screws | Flange Nuts / Lock Nuts | Double Ended Studs |
| Flange Bolts / 12-Point Bolts | Flat Washers / Spring Washers | Custom CNC Machined Studs |
■ Mechanical Properties & Yield Strength
Unlike Monel 400, Monel K500 undergoes age hardening to drastically increase its mechanical properties. It offers roughly three times the yield strength of its counterpart while retaining excellent ductility. Below are the standard mechanical properties:
| Tensile Strength (Min) | Yield Strength 0.2% Offset (Min) | Elongation (%) | Hardness (HRC) |
|---|---|---|---|
| 140 ksi (965 MPa) | 110 ksi (758 MPa) | 20% Min | 27 - 35 HRC |
■ Oil & Gas, Marine & Aerospace Applications
Monel K500 Fasteners are exceptionally resistant to sour gas (H2S), flowing seawater, and chemical corrosion. Their low magnetic permeability makes them indispensable for sensitive navigational and surveying equipment.
- Oil & Gas Exploration: Non-magnetic fasteners used in drill collars, logging equipment, and down-hole instrumentation.
- Marine Engineering: High-stress fasteners for centrifugal pump shafts, propeller shafts, and submarine components.
- Chemical & Pulp Processing: Valve trims, doctor blades, and heavy-duty springs subjected to extreme wear and corrosive chemicals.
- Aerospace: Structural components, engine sensors, and gyro hardware requiring high strength and non-magnetic properties.
■ Quality Assurance & MTC Downloads
As a primary manufacturer based in Mumbai, our quality control goes beyond standard chemical analysis. We conduct rigorous testing on all age-hardened Monel K500 Fasteners to ensure they meet the stringent safety requirements of EPC contractors and marine engineers.
- Ultrasonic Testing (UT): Internal flaw detection performed on raw billets prior to machining.
- Destructive Testing & Hardness: In-house tensile, yield, and Rockwell hardness testing to verify the efficacy of the precipitation-hardening process.
- Magnetic Permeability Testing: Verified to ensure the material remains strictly non-magnetic for sensitive oilfield and aerospace applications.
- PMI (Positive Material Identification): 100% optical emission spectroscopy scanning prior to dispatch.
📄 Download Sample EN 10204:3.1 MTC (PDF)