Leading Inconel Fittings Manufacturer Solitaire Overseas is known all over the world for making high-quality pipe and tube fittings from Inconel alloys like Inconel 600 fitting, Inconel 525 fittings, Inconel 718 fittings, and Inconel 825 fittings. Our company is ISO 9001:2015 certified and makes fittings that meet international standards like ASTM B366, ASME B16.9, ASME B16.11, and ANSI B16.28. Our product line includes Inconel elbows, tees, reducers, couplings, caps, unions, and custom-made parts that are made to withstand high temperatures, high pressure, and harsh chemical environments. These fittings are useful in heat exchangers, oil and gas, chemical processing, aerospace, and marine engineering.
We use modern forging and machining techniques to make sure that the dimensions are correct, the surface is smooth, and the mechanical strength is exceptional. Before it is released, every fitting goes through a lot of tests to make sure it works well, doesn't rust, and can handle pressure.
We can help you with Inconel 600 Buttweld Elbows, Inconel 625 Socket Weld Tees, or Inconel 718 High-Pressure Forged Fittings, depending on what you need for your project or application.
What Are Inconel Fittings?
Inconel fittings are high-performance parts that connect pieces of pipe or tube in applications that need to be very resistant to heat, corrosion, and pressure. These fittings are made from Inconel, a family of nickel-chromium-based superalloys that are designed to work in the toughest environments of industry, such as chemical plants, aerospace systems, power plants, and marine applications.
Unlike regular steel fittings, Inconel fittings keep their mechanical strength and resistance to oxidation even when they are heated up. Because of this, they are perfect for use in places with high temperatures, high pressures, and corrosive chemicals where other materials would fail. The different types of fittings—elbows, tees, reducers, couplings, and unions—are made to fit both standard and custom pipe systems. Inconel fittings are a reliable way to make complex pipe systems last longer and work better. They are used in places where dependability, performance, and safety are very important.
Standard Specifications & Equivalent Grades
Because they are made to meet many international standards, inconel fittings guarantee quality, performance, and compatibility in a wide range of industrial settings. These standards list the mechanical properties, chemical make-up, and testing needs for each grade of Inconel alloy.
Standard Specifications of Inconel Fittings
The most common international standards for Inconel fittings are shown in the table below. These standards say what kind of material, how accurate the measurements must be, and how well the fittings must work in different high-performance industrial settings.
Standard
Specification Name
Applicable Inconel Grades
Product Type
ASTM B366
Standard Specification for Wrought Nickel Alloy Fittings
Inconel 600, 625, 800, 825
Butt-Weld Fittings
ASTM B564
Specification for Nickel Alloy Forgings
Inconel 600, 625, 718, X-750
Forged Fittings, Flanges
ASME SB366
ASME Equivalent of ASTM B366
Inconel 600, 625, 800H, 825
Seamless/Welded Fittings
MSS-SP-43
Standard for Stainless and Nickel Alloy Fittings
Inconel Grades (Lightweight Fittings)
Butt-Weld Fittings (Non-Pressure)
ANSI B16.9
Factory-Made Wrought Buttwelding Fittings
Inconel Alloys
Elbows, Tees, Reducers, Caps
ANSI B16.11
Forged Steel Fittings, Socket-Weld and Threaded
Inconel 600, 625
Socket Weld & Threaded Fittings
DIN 17744
German Standard for Nickel Alloys
2.4816 (Inconel 600), 2.4856 (625)
All Types of Fittings
Equivalent Grades of Inconel Fittings
The following table shows the equivalent grade designations of popular Inconel alloys as per different international standards and specifications.
Grade
UNS No.
Werkstoff Nr. (WNR)
EN Standard
Trade Name / Brand
Inconel 600
N06600
2.4816
NiCr15Fe
Alloy 600, Chronin 600
Inconel 601
N06601
2.4851
NiCr23Fe
Alloy 601
Inconel 625
N06625
2.4856
NiCr22Mo9Nb
Alloy 625, Chronin 625
Inconel 718
N07718
2.4668
NiCr19Fe19Nb5Mo3
Alloy 718
Inconel 825
N08825
2.4858
NiCr21Mo
Alloy 825, Chronin 825
Inconel X-750
N07750
2.4669
NiCr15Fe7TiAl
Alloy X-750
Types of Inconel Pipe & Tube Fittings
There are a lot of different types, grades, and manufacturing standards for inconel pipe and Inconel tube fittings so that they can meet the needs of high performance in harsh and hot environments. These fittings are made to meet international standards like ASTM B366, ASME B16.11, and ANSI B16.9. They are made from grades like Inconel 600, 625, 718, and 825. The different kinds of Inconel fittings are broken down below into the following groups:
Wrought Inconel Pipe Fittings (ASTM B366)
Inconel 600 & 625 Elbows (90° & 45°)
These elbows, which are made from UNS N06600 and N06625 (Werkstoff 2.4816 & 2.4856), change the direction of flow in pipe systems. Sizes range from ½" to 48" and pressure classes go up to Class 2500. They come in both long and short ranges. Often found in heat exchanger and power generation systems.
Inconel 600 & 625 Tees (Equal & Reducing)
These tees let pipelines split fluid or mix it with other fluid. Made to meet ASTM B366, it can handle tough marine and chemical use. Class 150–2500; size range: ½"–48"
Made to connect pipes of different sizes while keeping the flow intact. Used in offshore and petrochemical pipe systems.
Inconel 600 & 625 Caps & Plugs
End caps for pipes that don't rust or corrode in harsh conditions. Good for the chemical and processing industries.
Inconel 600 & 625 Lateral Tees & Laterals
Y-shaped connectors for connecting branches in a certain direction. It is used in gas distribution systems and instrumentation.
Inconel 718 & 825 High-Temp Elbows & Tees
It is best to use UNS N07718 and N08825 grades for tasks that involve high temperatures and pressures. Often found in spacecraft, reactor vessels, and units that process acids.
Precision compression-type fittings for leak-tight performance in high-pressure tubing systems. Sizes: ¼″–1″.
Inconel Flare & Ferrule Tube Fittings
Ideal for instrumentation lines and hydraulic control systems. Manufactured for easy assembly and vibration resistance.
Inconel Male & Female Adapters
Threaded tube adapters designed for easy connections between pipes and equipment. NPT and BSPT threads available.
Specialty & Custom Inconel Fittings
Inconel 718 High-Pressure, High-Temp Fittings
UNS N07718 fittings for turbine, jet engine, and aerospace fuel systems. Extreme strength and creep resistance.
Inconel 825 Fittings for Sulphuric/Phosphoric Acid Service (NACE MR0175)
Designed to resist corrosion in strong acid environments. Used in chemical scrubbers and waste processing units.
Inconel Hastelloy C-276 Clad Fittings
Dual metal fittings with Hastelloy C-276 cladding for enhanced corrosion resistance. Suitable for aggressive acid environments.
Machined Forged & Fabricated Inconel Fittings
Custom-built fittings to meet unique engineering requirements. Precision machined using CNC for critical oil & gas applications.
Chemical Composition of Inconel Pipe & Tube Fittings
Inconel pipe and tube fittings are made from high-performance nickel-chromium alloys that are known for being very resistant to oxidation, corrosion, and high temperatures. The chemicals that make up Inconel depend on the grade. Each grade has its own unique properties that make it ideal for demanding uses in areas like power generation, chemical processing, the marine industry, and chemical processing.
Below is the typical chemical composition of commonly used Inconel grades in pipe and tube fittings:
Grade
Ni (%)
Cr (%)
Fe (%)
Mo (%)
Nb + Ta (%)
Ti (%)
Al (%)
Cu (%)
C (%)
Mn (%)
Si (%)
Others
Inconel 600
72.0 min
14.0–17.0
6.0–10.0
–
–
–
–
0.5 max
0.15 max
1.0 max
0.5 max
S ≤ 0.015
Inconel 625
58.0 min
20.0–23.0
≤5.0
8.0–10.0
3.15–4.15
–
–
–
0.10 max
0.50 max
0.50 max
P ≤ 0.015, S ≤ 0.015
Inconel 718
50.0–55.0
17.0–21.0
Balance
2.80–3.30
4.75–5.50
0.65–1.15
0.20–0.80
–
0.08 max
0.35 max
0.35 max
S ≤ 0.015
Inconel 825
38.0–46.0
19.5–23.5
≥22.0
2.5–3.5
–
0.6–1.2
–
1.5–3.0
0.05 max
1.0 max
0.5 max
S ≤ 0.03
Mechanical & Temperature Ratings
All pipe and tube fittings made from Inconel must meet the mechanical property standards set by ASTM B366 and ASME B16.11. By meeting these standards, fittings will always work perfectly in high-pressure and high-temperature situations. The mechanical properties of each grade of Inconel, such as the tensile strength of Inconel 625 fittings, are very important for uses that need to be resistant to heat stress, oxidation, and corrosion.
Here are the minimum mechanical properties and temperature ranges for commonly used grades of Inconel. These rules help engineers and procurement teams pick the right materials for mission-critical tasks in oil and gas, power generation, chemical processing, and aerospace, among other fields.
Inconel Grade
Tensile Strength(MPa / ksi)
Yield Strength(0.2% Offset, MPa / ksi)
Elongation(% min)
Hardness(Rockwell B/C)
Max Continuous Service Temp
Creep Rupture Strength(MPa @ 1000h/650°C)
Inconel 600
655 MPa / 95 ksi
240 MPa / 35 ksi
30%
RB 85 max
1093°C / 2000°F
~85 MPa
Inconel 625
827 MPa / 120 ksi
414 MPa / 60 ksi
30%
RC 30 max
982°C / 1800°F
~100 MPa
Inconel 718
1241 MPa / 180 ksi
1034 MPa / 150 ksi
12%
RC 35 max
704°C / 1300°F
~160 MPa
Inconel 825
690 MPa / 100 ksi
310 MPa / 45 ksi
30%
RB 90 max
540°C / 1000°F
~80 MPa
These mechanical and temperature ratings make Inconel fittings perfect for high-performance systems that have to work in harsh conditions. They offer great durability, lifetime, and dependability.
Dimensions, Pressure Classes & Tolerances
International standards for dimensions and tolerances are strictly followed when making Inconel pipe and tube fittings to make sure they work well and are safe in a wide range of demanding industrial settings. These requirements change based on the type of manufacturing standard used: ASME B16.11 for forged fittings, ANSI B16.9 for buttweld fittings, and ASTM B366 for wrought fittings.
Standard
Fitting Type
Size Range
Pressure Class
Tolerances
Key Notes
ANSI B16.9
Buttweld
½″ to 48″
Class 150 – Class 2500
As per ANSI B16.9; typically ±1% OD, ±10% WT
Includes LR & SR elbows; commonly used in process piping
ASME B16.11
Forged (SW & Threaded)
¼″ to 4″
SW: 2000, 3000Threaded: 3000, 6000
Tight machining tolerances; per ASME B16.11
Used in high-pressure, compact piping systems
ASTM B366
Wrought
½″ to 24″
Up to Class 2500
OD: ±10% (cold-drawn), ±12.5% (hot-rolled)
Applies to seamless/welded Inconel fittings for corrosive service
DIN / EN 10253
Buttweld (Metric)
DN 15 to DN 500
PN 2.5 – PN 40
As per EN 10253-2 / EN 10220
Used primarily in European projects and systems
When used in harsh conditions, leak-free, high-pressure connections depend on the precise size controls and standard deviations found in inconel fittings. If you need to check the dimensions of an Inconel buttweld according to ANSI B16.9 or the tolerances for an Inconel fitting according to ASME B16.11 for a manufactured design, each fitting is made to be accurate, long-lasting, and compliant around the world.
What Is the Price of Inconel Fittings in India?
The price of Inconel fittings in India varies based on the grade, size, type, and order quantity. As of 2025, general pricing trends are:
Inconel Grade
Fitting Type
Size (NPS)
Schedule
Approx. Price Range (INR/Unit)
Notes
Inconel 600
90° Elbow
1”
SCH 40
₹1,200 – ₹1,800
Standard butt-weld elbow, seamless
Inconel 625
Tee
2”
SCH 80
₹3,500 – ₹5,000
For high-pressure, corrosive applications
Inconel 718
Concentric Reducer
3” to 2”
SCH 40
₹6,000 – ₹8,000
Age-hardened alloy, high strength
Inconel 625
Stub End (Type A)
4”
SCH 40S
₹4,000 – ₹6,500
Used with lap joint flanges
Incoloy 825
Pipe Cap
2”
SCH 80S
₹1,800 – ₹2,800
Suitable for acidic environments
Inconel 600
Forged Socket Weld Tee
1½”
Class 3000
₹2,000 – ₹3,000
ASME B16.11 compliant
Incoloy 800H
45° Elbow
2”
SCH 40
₹2,500 – ₹3,800
For high-temp oxidizing settings
Inconel 625
Weldolet® (MSS SP-97)
2” branch
SCH 80
₹3,800 – ₹5,500
Branch outlet fitting
Prices are influenced by nickel prices, sourcing origin, and market availability. For the most accurate and competitive pricing, we recommend requesting a custom quotation based on your technical requirements and project scope.
Applications & Industries Served
Inconel pipe and tube fittings are made to work reliably in the harshest industrial settings around the world. They can be used in many important areas because they are very resistant to heat, pressure, corrosion, and aggressive media.
Oil & Gas: Injection lines for sour gas and pipelines under the sea use Inconel 625 and 825 fittings a lot. Because they are very resistant to stress-corrosion cracking, chlorine, and hydrogen sulfide (H2S), offshore and upstream systems will last for a long time.
Chemical & Petrochemical: Inconel 600 and 601 are often used in acid plants and chlor-alkali reactors where only small amounts of acid are present. Inconel 625 is used to handle caustic or high-chloride media in reactors, scrubbers, and heat exchangers.
Power Generation: Inconel 718 elbows and tees are used a lot in high-pressure steam pipe systems that can handle temperatures up to 700°C. Because they are so strong against creep and rupture, they can be used in turbine bypass systems and superheater lines.
Aerospace & Defense: For high-performance fuel delivery and hydraulic systems, Inconel 718 fittings provide unmatched strength and thermal stability across a wide temperature spectrum, essential for mission-critical aerospace functions.
Marine & Shipbuilding: Inconel 625 fittings are ideal for deck piping, seawater cooling, and exhaust systems. Their excellent resistance to saltwater pitting and crevice corrosion makes them a preferred choice for naval and offshore installations.
Pharmaceutical & Food Processing: Inconel 600 buttweld fittings are used in clean steam lines and sterile processing systems. They meet FDA and 3A sanitary standards, offering hygienic performance in CIP/SIP environments.
Export Destinations & Global Reach
People from all over the world trust our Inconel pipe and tube fittings, which are sent to more than 50 countries on six continents. Our products are used in many industrial sectors around the world because they are known for being accurate, high-quality, and in line with international standards.
We maintain strong export capabilities and logistical partnerships to ensure timely delivery to the following key regions:
Middle East: UAE, Saudi Arabia, Qatar, Oman, Kuwait, Iran, Bahrain Serving critical oil & gas and petrochemical infrastructure projects.
Africa: South Africa, Egypt, Nigeria, Algeria, Morocco Supplying corrosion-resistant fittings for mining, energy, and refinery operations.
Europe: Germany, UK, France, Italy, Netherlands, Russia Meeting stringent EU standards for high-performance piping systems.
North America: USA, Canada, Mexico Providing ASME-compliant Inconel fittings for aerospace, marine, and energy sectors.
Asia: India, Singapore, Malaysia, Indonesia, Thailand, South Korea, Japan Supporting fast-growing industrial hubs with reliable and high-alloy pipe fittings.
South America: Brazil, Argentina, Chile, Colombia, Peru Delivering durable solutions for chemical processing and offshore exploration.
We continue to expand our global footprint by offering competitive pricing, custom packaging, and export documentation support for hassle-free international trade.
Why Choose Solitaire Overseas for Inconel Fittings?
Solitaire Overseas stands as a trusted global supplier of premium Inconel pipe and tube fittings, backed by unmatched manufacturing capabilities and a customer-centric approach. Here’s why industries worldwide rely on us:
Full In-House Forging & Fabrication: We maintain complete control over the manufacturing process—from melting and forging to machining and finishing—ensuring superior quality with zero reliance on third-party vendors.
ISO 9001 & NACE MR0175 Compliance: All Inconel fittings are produced in line with global standards and delivered with EN 10204 3.1/3.2 Mill Test Certificates. Third-party inspections from SGS, TUV, and BV are available upon request.
Extensive Stock & Quick Turnaround: We stock Inconel 600, 625, 718, and 825 fittings in a wide range of sizes (¼″ to 48″), ready for immediate dispatch. Custom forged or fabricated fittings can be produced in just 20–30 days.
Certified Welders & QA/QC Testing: Our in-house QA team ensures every fitting passes radiography, PMI, hydro testing, and hardness verification. All welding is performed by ASME-certified professionals.
Global Logistics Expertise: We offer smooth DAP/DDP shipping to over 45 countries with full freight forwarding, documentation, and customs clearance support.
24/7 Technical Support: Our team of metallurgists and application engineers is available round-the-clock for alloy selection, installation assistance, and technical troubleshooting.
Competitive Pricing & Volume Discounts: With our optimized production and bulk stockholding, we offer tiered pricing models to support both small and large volume requirements.
Frequently Asked Questions (FAQ)
Inconel is used in high-temperature, high-stress, and highly corrosive environments. It’s ideal for jet engines, gas turbines, chemical plants, marine applications, and nuclear reactors due to its exceptional resistance to oxidation and corrosion.
Yes, in extreme conditions. Inconel outperforms stainless steel in high-temperature and highly corrosive environments. While stainless steel is cost-effective and sufficient for many uses, Inconel offers superior strength and corrosion resistance in more demanding applications.
Inconel and titanium serve different purposes. Inconel is better for extreme heat and corrosive environments, like exhaust and aerospace systems. Titanium excels in strength-to-weight ratio and biocompatibility, making it ideal for medical and aerospace weight-sensitive parts.
Inconel piping refers to tubes or pipes made from Inconel alloys like 600, 625, or 825, used for transporting fluids or gases under extreme pressure, heat, or corrosive conditions. They are common in petrochemical, aerospace, marine, and power generation industries.
No, Inconel does not rust in water, including saltwater or acidic environments. Its high nickel and chromium content forms a protective oxide layer that resists oxidation, pitting, and corrosion—even in aggressive marine or chemical exposures.
Inconel valves offer outstanding corrosion resistance, high-temperature strength, and durability under extreme pressure. They’re ideal for handling aggressive chemicals, steam, and superheated gases, making them reliable for aerospace, power, and offshore industries.
Table of Content
India
Iran
Thailand
South Korea
Turkey
Morocco
Costa Rica
Kazakhstan
Philippines
Canada
Japan
Russia
United States
Saudi Arabia
Kuwait
Singapore
Malaysia
UAE
Germany
Italy
China
UK
Egypt
Vietnam
Oman
Australia
Qatar
Portugal
Nigeria
Iraq
Ukraine
Bangladesh
Poland
Romania
Cyprus
Angola
Colombia
Norway
Chile
Mexico
South Africa
Netherlands
Brazil
France
Jordan
Spain
Hong Kong
Indonesia
Taiwan
Tobago
Greece
Czechia
Belgium
Sri Lanka
Myanmar
Venezuela