High Nickel Alloy Threaded Fittings such as Inconel and Incoloy fittings are precisely engineered for extreme temperature, high pressure, and highly corrosive service conditions. These nickel-based alloys provide outstanding resistance to oxidation, carburization, thermal fatigue, and stress corrosion cracking, ensuring reliable performance in the most demanding industrial environments.
High Nickel Alloy Threaded Fittings are manufactured in accordance with international standards and are widely used in aerospace, chemical processing, oil & gas, power generation, nuclear plants, heat exchangers, and furnace systems where leak-proof connections, durability, and long service life are essential.
High Nickel Alloy Threaded Fittings are available in a comprehensive range of Inconel and Incoloy grades to suit diverse operating requirements. Commonly supplied grades include Inconel 600, 625, 718 and Incoloy 800, 800H, 825, offering excellent mechanical strength, high-temperature stability, and superior corrosion resistance.
High Nickel Alloy Threaded Fitting Manufacturer in India | Inconel & Incoloy Threaded Fitting Supplier
Applications of High Nickel Alloy Threaded Fittings
| ● Chemical Processing & Petrochemical Plants |
| ● Oil & Gas Refineries and Offshore Installations |
| ● Power Generation & Nuclear Power Plants |
| ● Heat Exchangers, Pressure Vessels & Piping Systems |
| ● Marine, Seawater & High-Corrosion Environments |
| ● Furnace Lines, Heaters & High-Temperature Equipment |
| ● Aerospace & Gas Turbine Systems |
| ● Chemical Processing & Acid Handling Units |
| ● Oil & Gas Pipelines and Offshore Platforms |
| ● Heat Exchangers, Condensers & Furnace Equipment |
| ● Nuclear & Thermal Power Plants |
| ● Marine & High-Temperature Service Applications |
Specification Table of High Nickel Alloy Threaded Fittings
| Standard | ASME B16.11, MSS SP-79, MSS SP-83, MSS SP-95 |
|---|---|
| Size | 1/8″ NB to 4″ NB |
| Pressure Rating | 2000 LBS, 3000 LBS, 6000 LBS |
| Type | NPT / BSP / BSPT Threaded |
| Fitting Type | Elbow, Tee, Union, Coupling, Plug, Cap, Bushing, Nipple |
| Surface Finish | Pickled, Machined, Polished |
High Nickel Alloy Threaded Fitting Grades (Sub-Products)
| ● Inconel 600 – Excellent oxidation resistance and high-temperature strength |
| ● Inconel 625 – Outstanding resistance to pitting, crevice corrosion, and fatigue |
| ● Inconel 718 – Exceptional mechanical strength and creep resistance |
| ● Incoloy 800 – Good resistance to carburization and oxidation |
| ● Incoloy 800H – Enhanced creep and rupture strength at elevated temperatures |
| ● Incoloy 825 – Excellent resistance to sulfuric and phosphoric acids |
Mechanical Properties of High Nickel Alloy Threaded Fittings (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 Threaded Fittings We Supply
Along with Inconel and Incoloy threaded fittings, we manufacture and supply a wide range of high nickel alloy threaded fittings designed for high-pressure, high-temperature, and highly corrosive service conditions across critical industrial applications.
| ● Hastelloy C22 Threaded Fittings – Exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking in aggressive chemical environments |
| ● Hastelloy C276 Threaded Fittings – Outstanding corrosion resistance to oxidizing and reducing media, ideal for chemical processing lines |
| ● Monel 400 Threaded Fittings – Excellent resistance to seawater, hydrofluoric acid, and alkaline solutions |
| ● Monel K500 Threaded Fittings – High-strength nickel-copper alloy with superior resistance to corrosion and erosion |
| ● Alloy 20 Threaded Fittings – Designed for sulfuric acid service, offering excellent corrosion resistance |
| ● SMO 254 (6Mo) Threaded Fittings – Excellent resistance to chloride-induced corrosion in marine and offshore environments |
| ● Nickel 200 / 201 Threaded Fittings – Commercially pure nickel fittings with excellent corrosion resistance and thermal conductivity |
Mechanical Properties of Other High Nickel Alloy Threaded Fittings (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 |