Incoloy Tube Fittings Manufacturer, Supplier & Exporter in India - Mcneil Instruments
Mcneil Instruments is a trusted Incoloy Tube Fittings manufacturer, supplier, and exporter in India, offering a wide range of grades like Incoloy 800, 800H, 825, and 925, tailored to demanding industrial applications.
Incoloy tube fittings are precision-engineered components made from nickel-iron-chrome alloy families, tailored for demanding environments that involve high temperatures, aggressive corrosion, and marine conditions. At Mcneil Instruments, we design and supply a wide range of Incoloy tube fittings, including grades 800, 800H, 825, and 925, ideal for industries such as petrochemical, power generation, marine, and nuclear applications.
Incoloy 800 Tube Fittings
Mcneil Instruments is a leading Incoloy 800 tube fittings manufacturer, supplier, and exporter in India. Made from a balanced nickel-iron-chromium alloy, Incoloy 800 retains excellent strength and oxidation resistance up to 1100 °F (593 °C). It’s highly resistant to carburization and oxidation, making it ideal for heat exchangers, petrochemical reactor tubing, and furnace components.
Technical Specification
| Parameter | Specification |
| Alloy | Incoloy 800 (UNS N08800) |
| Standard | ASTM B366 / ASME SB366 |
| Temp. Range | –200 °C to +593 °C (1100 °F) |
| Resistance | Oxidation, carburization, chloride |
| Applications | Heat exchangers, nuclear tubing |
Grade Highlights:
- Stable in high-temperature atmospheres
- Resistant to chloride-induced stress-corrosion
- Excellent weldability and ductility
Incoloy 800H Tube Fittings
As a trusted Incoloy 800H tube fittings manufacturer, supplier, and exporter in India, Mcneil Instruments offers grade 800H for even higher temperature performance. With slightly elevated carbon content, Incoloy 800H provides superior creep resistance and temperature stability up to 1000 °C, making it suitable for high-heat furnace tubing, pressure lines, and reformer tubes.
Technical Specification
| Parameter | Specification |
| Alloy | Incoloy 800H (UNS N08810) |
| Standard | ASTM B366 / ASME SB366 |
| Temp. Range | –200 °C to +1000 °C |
| Carbon Content | 0.05–0.10% |
| Applications | Pressure vessels, heater tubes, pipelines |
Grade Highlights:
- Enhanced creep strength and rupture resistance
- Remains ductile after long-term high-heat exposure
- Ideal for superheater and boiler tube assemblies
Incoloy 825 Tube Fittings
Mcneil Instruments offers Incoloy 825 tube fittings as a leading manufacturer, supplier, and exporter in India. Alloy 825 excels in environments with both oxidizing and reducing acids, thanks to high nickel content combined with chromium and molybdenum. It shows excellent resistance to sulfide stress cracking and pitting, making it perfect for chemical, marine, and pollution control systems.
Technical Specification
| Parameter | Specification |
| Alloy | Incoloy 825 (UNS N08825) |
| Standard | ASTM B366 / ASME SB366 |
| Nickel Content | ~38–46% |
| Features | High resistance in sulfuric/nitric acid |
| Applications | Marine exhausts, acid plants, scrubbers |
Grade Highlights:
- High corrosion resistance in acid environments
- Effective against chloride and sulfide stress corrosion
- Often used in piping for pickling and process equipment
Incoloy 925 Tube Fittings
As the Incoloy 925 tube fittings manufacturer, supplier, and exporter in India, Mcneil Instruments produces fittings that combine precipitation strengthening with corrosion resistance. With added cobalt, molybdenum, aluminum, and titanium, Incoloy 925 resists sulfide stress cracking and performs excellently in high-chloride and seawater media, making it suitable for oil & gas, marine pipelines, and downhole tubing.
Technical Specification
| Parameter | Specification |
| Alloy | Incoloy 925 (UNS N09925) |
| Standard | ASTM B366 / ASME SB366 |
| Hardening | Precipitation-hardenable for added strength |
| Resistance | Sulfide stress, seawater corrosion |
| Applications | Oilfield tubing, valve components, manifolds |
Grade Highlights:
- Exceptional strength plus corrosion resistance
- Used in sour-gas and offshore piping
- Performs well in high-chloride or seawater environments
Global Reach of Mcneil Instruments: Incoloy Tube Fittings
- Saudi Arabia & UAE: Mcneil is a top supplier and exporter of Incoloy tube fittings for use in oil refineries, petrochemical units, and desalination plants.
- Qatar & Kuwait: We provide Incoloy 800 and 825 tube fittings for pressure vessels and chemical industries demanding high thermal stability.
- Nigeria: We serve as a reliable exporter of Incoloy 925 tube fittings, widely used in oil & gas drilling rigs and marine piping.
- Ghana: Mcneil exports corrosion-resistant Incoloy tube fittings for seawater treatment, chemical handling, and offshore infrastructure.
- USA (Texas, Chicago): Recognized as a leading Incoloy tube fittings manufacturer, we supply aerospace, heat treatment, and petrochemical pipelines.
- Canada: Incoloy 800H and 825 tube fittings are supplied for mining, pollution control, and energy generation sectors.
- Singapore & Malaysia: Mcneil is a preferred exporter of Incoloy 800 and 925 tube fittings, catering to shipbuilding, marine exhaust systems, and thermal process industries.
- Brazil: We are a reputed supplier of Incoloy 825 and 925 tube fittings in pulp and paper, sulfuric acid production, and offshore oil facilities.
Why Choose Mcneil Instruments for Incoloy Tube Fittings
- ISO-certified production with full material test and PMI traceability.
- In-house precision machining, threading, forging, and custom bending.
- Dedicated stock ready for immediate dispatch from India.
- Technical support and consultancy on alloy compatibility and design.
- Export-grade packaging, documentation, and fast global logistics.



