High Nickel Alloy Fasteners such as Inconel and Incoloy Fasteners are engineered for extreme temperature, high pressure, and highly corrosive operating environments. These nickel-based alloys offer outstanding resistance to oxidation, carburization, thermal fatigue, and stress corrosion cracking, making them ideal for critical fastening applications.
High Nickel Alloy Fasteners are manufactured with precision machining and forging processes and are extensively used in aerospace, chemical processing, oil & gas, power generation, nuclear plants, heat exchangers, and furnace equipment where superior mechanical strength and long-term reliability are essential.
High Nickel Alloy Fasteners are available in a wide range of Inconel and Incoloy grades to meet diverse service requirements. Commonly supplied grades include Inconel 600, 625, 718 and Incoloy 800, 800H, 825, offering exceptional tensile strength, excellent high-temperature stability, and superior resistance to corrosion and creep.
High Nickel Alloy Fastener Manufacturer in India | Inconel & Incoloy Fastener Supplier
Applications of High Nickel Alloy Fasteners
| ● Aerospace & Aircraft Engine Components |
| ● Oil & Gas Refineries and Offshore Platforms |
| ● Chemical & Petrochemical Processing Equipment |
| ● Heat Exchangers, Furnaces & Thermal Systems |
| ● Power Generation & Nuclear Industry |
| ● Marine & High-Temperature Industrial Applications |
| ● Heat Exchangers, Pressure Vessels & High-Temperature Assemblies |
| ● Aerospace & Gas Turbine Fastening Applications |
| ● Chemical & Petrochemical Processing Equipment |
| ● Oil & Gas Refineries and Offshore Installations |
| ● Nuclear Power & Thermal Power Plants |
| ● Furnaces, Heaters & Heat Treatment Equipment |
| ● Aerospace & Aircraft Engine Fasteners |
| ● Chemical Processing & Petrochemical Plants |
| ● Oil & Gas Pipelines and Offshore Platforms |
| ● Heat Exchangers, Furnaces & Thermal Systems |
| ● Nuclear & Thermal Power Plants |
| ● Marine & High-Temperature Corrosive Environments |
Specification Table of High Nickel Alloy Fasteners
| Standard | ASTM B637, ASTM B166, ASTM B564, ASTM F468, ASTM A193 (as applicable) |
|---|---|
| Fastener Types | Hex Bolts, Stud Bolts, Nuts, Screws, Washers |
| Size Range | M3 to M100 / 1⁄4″ to 4″ (Custom sizes available) |
| Thread Type | Metric, UNC, UNF, BSW, BSF |
| Manufacturing Process | Forged / Machined |
| Surface Finish | Plain, Passivated, Coated, PTFE, Silver Plated |
High Nickel Alloy Fastener Grades (Sub-Products)
| ● Inconel 600 – Excellent oxidation resistance and strength at elevated temperatures |
| ● Inconel 625 – Superior resistance to pitting, crevice corrosion, and fatigue |
| ● Inconel 718 – Exceptional tensile strength, creep resistance, and fatigue strength |
| ● Incoloy 800 – Good resistance to carburization and oxidation |
| ● Incoloy 800H – Enhanced creep and rupture strength at high temperatures |
| ● Incoloy 825 – Excellent resistance to sulfuric, phosphoric acids, and chloride corrosion |
Mechanical Properties of High Nickel Alloy Fasteners (Typical)
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation % |
|---|---|---|---|
| Inconel 600 | 240 | 550 | 35 |
| Inconel 625 | 414 | 827 | 30 |
| Inconel 718 | 1030 | 1240 | 12 |
| Incoloy 800 / 800H | 205 | 520 | 30 |
| Incoloy 825 | 240 | 586 | 30 |
Other High Nickel Alloy Fasteners We Supply
In addition to Inconel and Incoloy, we also manufacture and supply a wide range of high-performance nickel alloy fasteners including bolts, nuts, stud bolts, screws, and washers designed for highly corrosive, high-temperature, and high-pressure service conditions across critical industries.
| ● Hastelloy C22 Fasteners – Exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking in aggressive chemical environments |
| ● Hastelloy C276 Fasteners – Outstanding resistance to oxidizing and reducing media, widely used in chemical processing and pressure equipment |
| ● Monel 400 Fasteners – Excellent resistance to seawater, hydrofluoric acid, and alkaline solutions |
| ● Monel K500 Fasteners – High-strength nickel-copper alloy with superior resistance to corrosion and erosion |
| ● Alloy 20 Fasteners – Designed for sulfuric acid service, offering excellent corrosion resistance and structural stability |
| ● SMO 254 (6Mo) Fasteners – Super austenitic stainless steel fasteners with excellent resistance to chloride-induced corrosion |
| ● Nickel 200 Fasteners – Commercially pure nickel fasteners with excellent corrosion resistance and thermal conductivity |
| ● Nickel 201 Fasteners – Low-carbon nickel alloy fasteners suitable for high-temperature applications |
Mechanical Properties of Other Nickel Alloy Fasteners (Typical)
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation % |
|---|---|---|---|
| Hastelloy C22 | 310 | 690 | 45 |
| Hastelloy C276 | 283 | 690 | 40 |
| Monel 400 | 240 | 550 | 35 |
| Monel K500 | 690 | 960 | 20 |
| Alloy 20 | 310 | 620 | 30 |
| SMO 254 | 300 | 650 | 35 |
| Nickel 200 / 201 | 148 | 462 | 40 |