Incoloy Pipe Fittings Manufacturer, Supplier, Stockist & Exporter in India
Mcneil Instruments is a leading Incoloy Pipe Fittings Manufacturer in India, delivering premium-quality nickel-iron-chromium alloy pipe fittings for industries operating in demanding corrosive and high-temperature environments. As a trusted supplier, stockist, exporter, and dealer of Incoloy Pipe Fittings, we manufacture precision-engineered fittings that comply with ASTM, ASME, ANSI, DIN, and international quality standards.
Our extensive product portfolio includes Incoloy 800 Pipe Fittings, Incoloy 800H Pipe Fittings, Incoloy 825 Pipe Fittings, and Incoloy 925 Pipe Fittings, manufactured for applications requiring excellent oxidation resistance, superior mechanical strength, outstanding corrosion resistance, and long service life.
What are Incoloy Pipe Fittings?
Incoloy Pipe Fittings are piping components manufactured from high-performance nickel-based alloys designed to withstand elevated temperatures, aggressive chemicals, oxidation, carburization, and chloride-containing environments. These fittings are widely used for connecting, branching, reducing, and changing the direction of process piping while maintaining exceptional structural integrity.
Incoloy alloys combine nickel, chromium, iron, molybdenum, titanium, and other alloying elements to provide remarkable resistance against pitting, crevice corrosion, stress corrosion cracking, and thermal fatigue.
Our Range of Incoloy Pipe Fittings
Mcneil Instruments manufactures and supplies:
- Incoloy 800 Pipe Fittings
- Incoloy 800H Pipe Fittings
- Incoloy 825 Pipe Fittings
- Incoloy 925 Pipe Fittings
- 45° Elbows
- 90° Long Radius Elbows
- Short Radius Elbows
- Equal Tees
- Reducing Tees
- Crosses
- Concentric Reducers
- Eccentric Reducers
- Pipe Caps
- Stub Ends
- Laterals
- Couplings
- Nipples
- Unions
- End Caps
Available in seamless, welded, fabricated, and customized configurations.
Incoloy Pipe Fittings Grades We Offer
Incoloy 800 Pipe Fittings
Incoloy 800 offers excellent resistance to oxidation, carburization, and high-temperature corrosion. These fittings are widely used in furnace equipment, petrochemical plants, heat exchangers, and pressure piping systems where long-term thermal stability is essential.
Features
- Excellent oxidation resistance
- High creep strength
- Good mechanical properties
- Long service life
- Superior thermal stability
Incoloy 800H Pipe Fittings
Incoloy 800H contains higher carbon content than Alloy 800, providing enhanced creep rupture strength for prolonged service at elevated temperatures. It is commonly selected for reformers, ethylene furnaces, and pressure vessels.
Benefits
- Improved creep resistance
- Excellent weldability
- Outstanding heat resistance
- High tensile strength
- Superior durability
Incoloy 825 Pipe Fittings
Incoloy 825 contains nickel, chromium, molybdenum, copper, and titanium, making it highly resistant to sulfuric acid, phosphoric acid, chloride stress corrosion cracking, pitting, and reducing environments. It is extensively used in chemical processing and marine industries.
Key Advantages
- Excellent corrosion resistance
- Resistant to seawater
- High resistance to oxidizing acids
- Superior fatigue strength
- Excellent fabrication properties
Incoloy 925 Pipe Fittings
Incoloy 925 Pipe Fittings combine excellent corrosion resistance with precipitation hardening, providing high strength for demanding oil and gas applications. These fittings perform exceptionally well in sour gas environments and offshore installations.
Incoloy 800 Pipe Fittings – Manufacturer, Supplier & Exporter in India
Mcneil Instruments is a trusted Incoloy 800 Pipe Fittings manufacturer, supplier, and exporter in India, delivering high-performance solutions engineered for thermal stability and resistance to oxidation. Incoloy 800 is an iron–nickel–chromium alloy designed for high-temperature structural applications. It retains its strength and resists oxidation, carburization, and other types of high-temperature corrosion.
These fittings are ideal for use in equipment such as heat exchangers, process piping, superheaters, and petrochemical processing plants where temperature resistance is key. Incoloy 800 also shows excellent resistance to chloride stress-corrosion cracking.
Technical Specifications:
| Material | Incoloy 800 (UNS N08800) |
| Standard | ASTM B366 / ASME SB366 |
| Size Range | ½” to 24” |
| Temperature | Up to 1100°F (593°C) |
| Strength | High-temperature creep strength |
| Applications | Heat exchangers, nuclear plants, furnace parts |
Incoloy 800H Pipe Fittings – Manufacturer, Supplier & Exporter in India
Incoloy 800H Pipe Fittings from Mcneil Instruments are specifically developed for higher temperature strength than Incoloy 800. With greater carbon content, Incoloy 800H offers superior creep and rupture strength at elevated temperatures above 600°C. It is a go-to choice for reheaters, pressure vessels, and ethylene furnace components.
Its metallurgical stability and resistance to oxidation make it valuable in thermal and chemical processing sectors.
Technical Specifications:
| Material | Incoloy 800H (UNS N08810) |
| Standard | ASTM B366 / ASME SB366 |
| Size Range | ½” to 24” |
| Temperature | Up to 1000°C |
| Carbon Content | 0.05% to 0.10% |
| Applications | Reformer tubing, pressure vessels, heat treat baskets |
Incoloy 825 Pipe Fittings – Manufacturer, Supplier & Exporter in India
Incoloy 825 Pipe Fittings, offered by Mcneil Instruments, are well known for their excellent resistance to both reducing and oxidizing acids. The high nickel content makes it resistant to chloride-induced stress corrosion, while molybdenum enhances its resistance to pitting and crevice corrosion. It’s widely used in chemical tanks, pickling equipment, and marine exhaust systems.
Incoloy 825 fittings are a staple for industries handling sulfuric, phosphoric, and nitric acid environments.
Technical Specifications:
| Material | Incoloy 825 (UNS N08825) |
| Standard | ASTM B366 / ASME SB366 |
| Size Range | ½” to 24” |
| Nickel Content | ~38–46% |
| Corrosion Resistance | Excellent in sulfuric and nitric acids |
| Applications | Marine exhausts, acid production, pollution control |
Incoloy 925 Pipe Fittings – Manufacturer, Supplier & Exporter in India
At Mcneil Instruments, our Incoloy 925 Pipe Fittings are built for strength and resistance in aggressive environments involving sour gas, seawater, and chloride-bearing media. A precipitation-hardenable alloy, Incoloy 925 combines the strength of age-hardening with the corrosion resistance of Incoloy 825. It is often used in the oil and gas sector, particularly for downhole and surface components exposed to corrosive fluids.
Technical Specifications:
| Material | Incoloy 925 (UNS N09925) |
| Standard | ASTM B366 / ASME SB366 |
| Size Range | ½” to 12” |
| Hardening | Precipitation-hardened |
| Resistance | Sulfide stress corrosion, seawater |
| Applications | Oilfield piping, valve components, fasteners |
Product Specifications
| Specification | Details |
| Material | Incoloy 800, 800H, 825, 925 |
| Standard | ASTM, ASME, ANSI, DIN, EN |
| Size | ½” NB to 48″ NB |
| Type | Seamless, Welded, Fabricated |
| Pressure Rating | SCH 10 to SCH XXS |
| Connection | Butt Weld, Socket Weld, Threaded |
| Testing | PMI, Hydro Test, Radiography, Hardness, NDT |
| Finish | Pickled, Passivated, Machined |
Where Incoloy Pipe Fittings Are Used
Incoloy pipe fittings are widely used in industries exposed to heat and corrosion:
Petrochemical Industry – Furnace and heater piping
Chemical Processing Plants – Acid and solvent handling
Oil & Gas Industry – Sour and corrosive process streams
Power Generation – Boilers and heat exchangers
Marine Applications – Chloride exposure environments
Refineries – High-temperature process lines
Incoloy is often selected when both heat resistance and corrosion protection are required.
How to Choose the Right Incoloy Pipe Fittings
When selecting Incoloy pipe fittings, consider:
Operating temperature and exposure duration
Presence of acids, chlorides, or oxidizing atmospheres
Pressure and mechanical stress levels
Welding and fabrication needs
Applicable industry standards
For piping exposed to sustained heat and chemical attack, Incoloy offers long-term reliability.
Manufacturing, Supply & Export from India
We manufacture, supply, and export Incoloy pipe fittings using certified raw materials and precision fabrication methods. Our fittings are:
Produced with tight dimensional tolerances
Tested for corrosion and pressure resistance
Inspected as per international standards
Finished for industrial and marine applications
Securely packed for domestic and global shipment
We support EPC contractors, refineries, chemical plants, and international buyers with consistent quality and timely delivery.
Features of Our Incoloy Pipe Fittings
- Excellent resistance to oxidation
- Outstanding corrosion resistance
- High mechanical strength
- Exceptional creep resistance
- Leak-proof performance
- Precision dimensional accuracy
- Easy welding and fabrication
- Long operational life
- Low maintenance requirements
- Suitable for high-pressure applications
Applications of Incoloy Pipe Fittings
Our Incoloy Pipe Fittings are widely used in:
- Oil & Gas Industries
- Petrochemical Plants
- Chemical Processing Industries
- Offshore Platforms
- Marine Engineering
- Power Generation Plants
- Fertilizer Industries
- Heat Exchangers
- Pressure Vessels
- LNG Plants
- Nuclear Power Plants
- Desalination Plants
- Refineries
- Pharmaceutical Industries
- Food Processing Plants
Why Choose Mcneil Instruments?
Mcneil Instruments has earned recognition as one of India’s trusted manufacturers and exporters of industrial piping products through a strong focus on quality, precision, and customer satisfaction.
We Offer
- ISO-quality manufacturing
- Competitive pricing
- Large inventory
- Ready stock availability
- Custom manufacturing
- Fast worldwide delivery
- Third-party inspection
- Mill Test Certificates (MTC)
- Complete material traceability
- Global export support
Countries We Export To
We export Incoloy Pipe Fittings 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 Pipe Fittings in India? Reach out to Mcneil Instruments for custom solutions, technical consultation, and fast global delivery.
Frequently Asked Questions – Incoloy Pipe Fittings
What makes Incoloy pipe fittings different from stainless steel?
Incoloy performs better at high temperatures and in corrosive environments where stainless steel may fail.
Are Incoloy pipe fittings suitable for chemical plants?
Yes. Certain grades like 825 and 925 are ideal for acid and chloride environments.
Can Incoloy pipe fittings be welded?
Yes. They offer good weldability using standard nickel-alloy procedures.
Which Incoloy grade is best for high-temperature service?
Incoloy 800 and 800H are commonly used for sustained high-heat applications.
Where are Incoloy pipe fittings commonly used?
Petrochemical plants, refineries, power generation units, marine systems, and chemical processing facilities.



