Their ability to maintain mechanical properties at elevated temperatures makes them suitable for high-heat applications such as furnaces, turbines, and heat exchangers, ensuring secure and durable fastening. Inconel grade fasteners are available in multiple forms, including bolts, nuts, screws, studs, washers, and threaded rods. They can be manufactured in different sizes, thread types, and finishes to meet diverse industrial and engineering needs. Manufactured according to international standards such as ASTM, ASME, and ISO, Inconel fasteners ensure dimensional accuracy, consistent quality, and compatibility with industrial equipment. These standards help maintain safety and reliability in high-pressure and high-temperature systems.
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Fasteners
Inconel Grade Fasteners are manufactured from high-performance nickel-chromium superalloys designed to perform reliably in extreme temperature, pressure, and corrosive environments. These fasteners are widely used in critical industrial applications where conventional carbon steel or stainless steel fasteners fail to provide long-term strength and safety. Inconel fasteners offer exceptional resistance to oxidation, corrosion, and chemical attack.
Fasteners Grades
- Inconel 600 (UNS N06600)
- Inconel 601 (UNS N06601)
- Inconel 625 (UNS N06625)
- Inconel 690 (UNS N06690)
- Inconel 718 (UNS N07718)
- Inconel X-750 (UNS N07750)
- Inconel 725 (UNS N07725)
- Inconel 800 / 800H / 800HT
Features Of Fasteners
- Long Service Life and Reliability
- Good Weldability and Machinability
- Wide Range of Grades and Sizes
- Excellent Creep and Fatigue Resistance
- Oxidation and Carburization Resistance
- High Tensile and Yield Strength
Applications Of Fasteners
- Nuclear Industry
- Heat Exchangers and Boilers
- Marine and Offshore Applications
- Aerospace Industry
- Power Generation Industry
- Petrochemical Industry
Specifications of Fasteners
| Specification Parameter | Details / Options |
| Material / Grade | Inconel 600, 601, 625, 718, 690, X-750, 725, 800 / 800H / 800HT |
| Standards / Codes | ASTM B166, ASTM B564, ASME B18.2.1, ISO 898-1, ISO 3506 |
| Fastener Type | Bolts, Nuts, Screws, Studs, Washers, Threaded Rods |
| Manufacturing Type | Forged, Machined, Threaded |
| Thread Type | UNC, UNF, Metric, NPT, BSP, Custom threads |
| Size Range | M3 to M100 or 1/8" NB to 4" NB (depending on fastener type) |
| Mechanical Properties | High tensile strength, yield strength, excellent creep and fatigue resistance |
| Corrosion Resistance | Outstanding resistance to oxidation, pitting, crevice corrosion, and stress corrosion cracking |
| Temperature Range | Up to 1200°C (depending on grade) |
| Surface Finish | Polished, Pickled, Passivated, As-Machined |
| Applications | Oil & Gas, Petrochemical, Chemical Processing, Power Generation, Aerospace, Marine, Nuclear |
| Documentation / Certification | Material Test Certificate (MTC), Chemical Analysis Report, Mechanical Test Report, NACE / ISO compliance (if required) |