Incoloy Tube Fittings Manufacturer, Supplier, Stockist & Exporter in India
Mcneil Instruments is a leading Incoloy Tube Fittings Manufacturer in India, delivering precision-engineered tube fittings designed for high-pressure instrumentation systems, hydraulic lines, and critical process applications. As a trusted supplier, stockist, exporter, and dealer of Incoloy Tube Fittings, we manufacture products that meet ASTM, ASME, DIN, and international quality standards for superior performance in corrosive and high-temperature environments.
Our extensive product portfolio includes Incoloy 800 Tube Fittings, Incoloy 800H Tube Fittings, Incoloy 825 Tube Fittings, and Incoloy 925 Tube Fittings. These fittings are engineered to provide leak-proof performance, exceptional corrosion resistance, high mechanical strength, and excellent resistance to oxidation and thermal fatigue in demanding industrial operations.
What are Incoloy Tube Fittings?
Incoloy Tube Fittings are precision-engineered connectors used to securely join tubing in instrumentation, hydraulic, pneumatic, and process control systems. Manufactured from premium nickel-iron-chromium alloys, these fittings are designed to withstand aggressive chemicals, elevated temperatures, high pressures, and corrosive media while maintaining leak-tight performance.
Their superior resistance to pitting, crevice corrosion, stress corrosion cracking, and oxidation makes them the preferred choice for industries where reliability and safety are critical.
Types of Incoloy Tube Fittings We Manufacture
Mcneil Instruments manufactures and supplies:
- Incoloy Male Connectors
- Incoloy Female Connectors
- Incoloy Male Elbows
- Incoloy Female Elbows
- Incoloy Equal Tees
- Incoloy Reducing Tees
- Incoloy Bulkhead Unions
- Incoloy Union Crosses
- Incoloy Tube Caps
- Incoloy Tube Plugs
- Incoloy Reducers
- Incoloy Ferrules
- Incoloy Nuts
- Incoloy Adapters
- Incoloy Instrumentation Tube Fittings
- Incoloy Double Ferrule Tube Fittings
- Incoloy Compression Tube Fittings
Available in single ferrule, double ferrule, compression, threaded, and custom-designed configurations.
Incoloy 800 Tube Fittings
Incoloy 800 Tube Fittings offer outstanding resistance to oxidation, carburization, and high-temperature corrosion. They maintain excellent mechanical strength during continuous service, making them suitable for heat exchangers, furnace equipment, and petrochemical processing plants.
Features
- Excellent oxidation resistance
- Superior thermal stability
- High mechanical strength
- Excellent weldability
- Long service life
Incoloy 800H Tube Fittings
Incoloy 800H Tube Fittings are designed with higher carbon content to provide enhanced creep rupture strength during prolonged exposure to elevated temperatures. These fittings are widely used in reformers, pressure vessels, and chemical processing plants.
Benefits
- Improved creep resistance
- High-temperature durability
- Excellent dimensional stability
- Superior tensile strength
- Excellent fabrication properties
Incoloy 825 Tube Fittings
Incoloy 825 Tube Fittings are highly resistant to sulfuric acid, phosphoric acid, seawater, chlorides, and reducing environments. The addition of molybdenum, copper, and titanium significantly enhances corrosion resistance, making these fittings suitable for harsh industrial conditions.
Advantages
- Excellent corrosion resistance
- Resistant to chloride attack
- Superior resistance to pitting
- High fatigue strength
- Excellent process reliability
Incoloy 925 Tube Fittings
Incoloy 925 Tube Fittings combine exceptional corrosion resistance with precipitation hardening, providing excellent mechanical strength for offshore platforms, subsea equipment, and oil & gas production systems. These fittings perform exceptionally well in sour gas and seawater 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
Product Specifications
| Specification | Details |
| Material Grades | Incoloy 800, 800H, 825, 925 |
| Standards | ASTM, ASME, DIN, ISO |
| Size Range | 1/8″ to 2″ OD |
| Connection Type | Double Ferrule, Single Ferrule, Compression |
| Pressure Rating | Up to 10,000 PSI |
| Thread Type | NPT, BSP, BSPT, SAE |
| Surface Finish | Pickled, Passivated, Bright Finish |
| Testing | Hydro Test, PMI, Hardness Test, NDT, Leak Testing |
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
Features of Our Incoloy Tube Fittings
- Leak-proof double ferrule design
- Excellent corrosion resistance
- Superior oxidation resistance
- High-pressure capability
- Exceptional vibration resistance
- Precision machined components
- Excellent thermal stability
- Easy installation
- Low maintenance
- Long operational life
Applications of Incoloy Tube Fittings
Our Incoloy Tube Fittings are extensively used in:
- Instrumentation Systems
- Oil & Gas Industries
- Petrochemical Plants
- Chemical Processing Industries
- Hydraulic Systems
- Pneumatic Systems
- Power Generation Plants
- Offshore Platforms
- Marine Engineering
- Heat Exchangers
- Nuclear Power Plants
- LNG Plants
- Refineries
- Pharmaceutical Industries
- Process Automation Systems
Why Choose Mcneil Instruments?
Mcneil Instruments is a trusted Incoloy Tube Fittings Manufacturer, Supplier, Stockist, and Exporter in India, offering precision-engineered fittings backed by advanced manufacturing technology, strict quality assurance, and global delivery capabilities.
Our Advantages
- ISO-certified manufacturing
- Precision CNC machining
- Leak-tested fittings
- Competitive pricing
- Ready stock availability
- Custom manufacturing
- Third-party inspection
- Mill Test Certificates (MTC)
- Worldwide exports
- Complete material traceability
Countries We Export To
Mcneil Instruments exports Incoloy Tube Fittings to customers across:
- United States
- Canada
- Mexico
- Brazil
- United Kingdom
- Germany
- France
- Italy
- Spain
- Netherlands
- UAE
- Saudi Arabia
- Qatar
- Kuwait
- Oman
- Bahrain
- South Africa
- Nigeria
- Kenya
- Singapore
- Malaysia
- Indonesia
- Thailand
- Australia
- New Zealand
Contact Us
Looking for high-performance Incoloy Tube Fittings in India? Reach out to Mcneil Instruments for custom solutions, technical consultation, and fast global delivery.