Inconel Flanges

Inconel flange is a high-performance alloy steel product, mainly composed of elements such as nickel, chromium and iron, and also contains trace alloy elements such as molybdenum, cobalt, copper, manganese, titanium and aluminum. This special alloy is designed to provide outstanding corrosion resistance, high temperature resistance and mechanical properties, making it suitable for extreme working environments and demanding engineering projects.

It can maintain excellent stability in harsh environments such as acid, alkaline, salt corrosion and seawater, and has high resistance to chloride ion corrosion, corrosion fatigue and stress corrosion cracking. This makes Inconel Flange an ideal material for widespread use in the chemical, petroleum, marine and aerospace industries.


Inconel Flange Size:

1/2″ – 60″

Available, welcome to consult

A) Packaging Details: Standard export seaworthy packing or as required.
B) Delivery Time: 30-50 days, 7 days for stock goods.
C) Loading Port: Shanghai, Tianjin, Qingdao.
D) Offer Ability: 3000MT/Per Month.
E) MOQ: 1 Pcs.

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Different Types Of Inconel Flanges

Gnee is a manufacturer, supplier, wholesaler, distributor, trader, stockist, and exporter of Inconel Flanges. We produce high quality Inconel Flanges to ISO standards in a wide range of grades, available in a variety of sizes, not limited to the following types, customized to your specific needs, Welcome to contact us for a quotation!

Material Specification Chart Of Inconel Alloy Flanges

Gnee’s Inconel Alloy Flanges products have been successfully exported to many countries, including Egypt, Kenya, Croatia, Kuwait, Oman, Russia, Azerbaijan, Kyrgyzstan, Singapore, Mexico, Venezuela, Turkey, India and more than 70 countries. Whether you are designing, building, maintaining or upgrading industrial equipment and systems, Gnee’s Inconel Flanges products can meet your needs. We look forward to working with you and providing you with the best solutions and support.

Product NameInconel Flanges
Size1/2 ” to 60″ NB
PressurePN6, PN10, PN16, PN25, PN40, PN64
Class150, 300, 600, 900, 1500, 2500
Flange Face TypeFlate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Test CertificateUnder Third-Party Inspection
Manufacturer Test Certificate
Customized ServicesSupport Customization
MOQ1 Pcs
Delivery Time30-50 Days, 7 Days For Stock Goods
Packaging DetailsStandard Export Seaworthy Packing Or As Required
Loading PortShanghai, Tianjin, Qingdao
Offer Ability3500MT/Per Month
Inconel Steel Flanges Supplier With Rich Grade
  • Inconel 600 (UNS N06600, EN 2.4816)
  • Inconel 601 (UNS N06601, EN 2.4851)
  • Inconel 625 (UNS N06625, EN 2.4856)
  • Inconel 690 (UNS N06690, EN 2.4642)
  • Inconel 718 (UNS N07718, EN 2.4668)
  • Inconel 725 (UNS N07725, EN 2.4668)
  • Inconel X-750 (UNS N07750, EN 2.4669)
  • Inconel 718SPF (UNS N07718, EN 2.4668)
  • 725LN (UNS N07725, EN 2.4668)
  • Inconel 706 (UNS N09706, EN 2.4662)
  • Inconel 617 (UNS N06617, EN 2.4663)
  • Inconel 825 (UNS N08825, EN 2.4858)
  • Inconel 601LCF (UNS N06601, EN 2.4851)
  • Inconel 602CA (UNS N06025, EN 2.4633)
  • Inconel 625LCF (UNS N06625, EN 2.4856)
ASME B16.47
ASME B16.48
ASME B16.36
ASME B16.20
ASME B16.11
ASME B16.25
ASME B16.9
Parameters Of Inconel Flange
ElementInconel 600Inconel 601Inconel 625Inconel 718
Nickel (Ni)72.0% min58.0-63.0%58.0% min50.0-55.0%
Chromium (Cr)14.0-17.0%21.0-25.0%20.0-23.0%17.0-21.0%
Iron (Fe)6.0-10.0%Balance5.0% maxBalance
Carbon (C)0.15% max0.10% max0.10% max0.08% max
Manganese (Mn)1.0% max1.0% max0.50% max0.35% max
Silicon (Si)0.5% max0.5% max0.50% max0.35% max
Sulfur (S)0.015% max0.015% max0.015% max0.015% max
Phosphorus (P)0.015% max0.015% max0.015% max0.015% max
PropertyInconel 600Inconel 601Inconel 625Inconel 718
Tensile Strength (MPa)550 min650 min760 min965 min
Yield Strength (MPa)240 min310 min345 min550 min
Elongation (%)30 min30 min30 min30 min
Hardness (HB)160 max331 max
PropertyInconel 600Inconel 601Inconel 625Inconel 718
Density (g/cm³)8.428.118.448.19
Melting Range (°C)1354-14131320-13701290-13501260-1335
Thermal Conductivity (W/m·K)14.911.213.36.7
Electrical Resistivity (μΩ·cm)
Inconel Flanges Applications
  • High-Temperature Environments
  • Chemical Processing
  • Oil and Gas Industry
  • Aerospace and Aviation
  • Power Generation
  • Marine and Shipbuilding
  • Pharmaceutical and Biotechnology
  • Automotive and Racing
Why Choose Gnee Inconel Flanges Manufacturer?

Gnee, as a Chinese stainless steel & nickel alloy supplier with 15 years of history, exports to 60+ countries. We provide various shapes of stainless steel & nickel alloy, including plates, coils, pipes, bars, and fittings. Gnee is committed to providing comprehensive stainless steel solutions, with excellent after-sales service, we support customization and ensure product quality.

In addition, our steel plate has been successfully exported to more than 60 countries such as Singapore, Malaysia, The United Arab Emirates, Oman, Turkey, Nigeria, Egypt, Kuwait, Indonesia, Qatar, and Kenya. Many regular customers come to visit our company and factory and make multiple orders.

What‘s The Feature Of Inconel Alloy Flanges?

Inconel Flanges exhibit outstanding resistance to high temperatures, making them suitable for applications in extreme heat environments. They can withstand prolonged exposure to temperatures ranging from cryogenic levels up to 1,370°C (2,500°F) without compromising their structural integrity. This feature ensures reliable performance and prevents deformation or failure under extreme thermal conditions.

Inconel Flanges are renowned for their exceptional resistance to corrosion and oxidation. They maintain their integrity when exposed to aggressive chemicals, corrosive gases, acids, seawater, and other harsh environments. This corrosion resistance makes them ideal for use in chemical processing, oil and gas, marine, and other industries where corrosion protection is critical.

Inconel Flanges possess remarkable mechanical strength and toughness, enabling them to withstand high-pressure applications and heavy loads. They exhibit high tensile and yield strength, allowing them to resist deformation, cracking, and failure even in demanding operating conditions. This feature ensures the long-term durability and reliability of the flanges.

Inconel Flanges exhibit excellent fatigue resistance, making them capable of enduring repeated thermal cycles, vibrations, and mechanical stresses without experiencing fatigue failure. This property is particularly important in applications involving cyclic loading, such as in turbine components, where the flanges are subjected to alternating high temperatures and pressures over extended periods.

Inconel Fasteners demonstrate excellent resistance to oxidation and creep deformation, even at high temperatures. They form a protective oxide layer when exposed to elevated temperatures, which prevents further oxidation and degradation. This resistance to oxidation and creep ensures the long-term reliability and performance of fasteners in high-temperature applications.

Inconel Flanges offer excellent weldability, allowing for ease of fabrication and installation. They can be welded using various methods, including gas tungsten arc welding (GTAW) and shielded metal arc welding (SMAW), ensuring efficient and reliable joining of flanges to the piping or equipment systems.

What Services Does Gnee Provide?

Gnee can provide the following measurement services for stainless steel:

Dimensional Measurement: Measure dimensional parameters such as length, width and thickness by measuring instruments to ensure that the stainless steel is qualified and meets the design requirements.
Surface Measurement: Measure parameters such as flatness, bumpiness and surface roughness of the stainless steel surface to help ensure that the quality and surface condition of the stainless steel meets the requirements.
Thickness Measurement: Use thickness gauges to accurately measure the thickness of the stainless steel to ensure it meets the design requirements.
Material Measurement: Use material analysis instruments to measure the chemical composition and mechanical properties of the stainless steel to ensure that the quality and properties of the stainless steel meet the requirements.
Bending And Deformation Measurements: Use tools such as bending gauges and displacement sensors to measure and monitor the degree of bending and deformation of stainless steel to ensure that it is within the allowable range.

Ask Measurement service

Gnee can customize the size and shape of your stainless steel for your specific project needs. Custom design of stainless steel is carried out by a team of professional engineers and designers. Based on the project requirements and constraints, they will use calculation and simulation tools combined with experience and technical knowledge to optimize the stainless steel design to meet the specific needs of your different projects

● Adjustment of the thickness, width and length of stainless steel based on load calculations and strength requirements for structural design.
● The shape of the stainless steel can be designed according to the demand characteristics.
● If the convenience of installation and maintenance is considered, we can also add openings and passages for easy access and operation in the design for areas that require frequent maintenance.

Ask Customized Services

Sourcing Gnee stainless steel can provide the following further processing services. We can customize to meet the specific needs of our customers for different projects.

Cutting Service: Stainless steel can be custom cut to obtain the desired shape and size according to the customer’s needs. For example, flame cutting, plasma cutting, laser cutting, etc., can cut stainless steel into desired plates, blocks, shaped pieces, etc.
Bending & Forming: Stainless steel is bent and formed by applying stress and appropriate processes to obtain the desired shape.
Welding Services: Stainless steel can be subjected to various types of welding services, including manual arc welding, gas-shielded welding, laser welding, etc.
Hole Turning And Machining: Stainless steel is turned and holes are machined through the use of machining equipment. These processes produce smooth surfaces, precise holes and threads to meet specific assembly requirements.
Surface Treatments: Surface treatments can be applied to improve the corrosion resistance and aesthetics of the stainless steel. This includes methods such as painting, hot dip galvanizing, and electroplating to add a protective layer and provide corrosion resistance.

Ask Deep Processing Services

Gnee stainless steel can provide testing and the following third-party inspection services. These third-party testing services provide independent and objective verification of stainless steel’s compliance with relevant standards and regulations.

Mechanical Property Testing: Used to determine whether the strength, toughness, ductility and other mechanical properties of stainless steel meet the specified requirements.
Chemical Composition Analysis: Quantitative determination of elements on stainless steel samples through spectral analysis, atomic absorption spectroscopy, inductive coupling and other technologies.
Corrosion Performance Test: Common corrosion performance test methods include salt spray corrosion test, acid-base corrosion test and electrochemical corrosion test.
Tensile Strength Test: Through the tensile test, the parameters such as yield strength, tensile strength and breaking strength of stainless steel during the tensile process are measured.
Non-Destructive Testing: Non-destructive testing is used to evaluate hidden defects, cracks and looseness in stainless steel materials. Common methods include ultrasonic testing, magnetic particle testing, eddy current testing, and radiographic testing.
Pressure Test: By exposing stainless steel products to a specific pressure, it is tested whether there are problems such as leakage or deformation to ensure that its pressure resistance meets the requirements.
Surface Quality Test: Used to evaluate the surface flatness, smoothness and oxide layer of stainless steel products.
Welding Performance Test: Check the appearance, mechanical properties and metallographic microstructure of the weld to ensure that the quality of the stainless steel welded joint meets the requirements.
Metallographic Inspection: Through metallographic inspection, the structure, grain size, non-metallic inclusions, etc. of stainless steel are checked to evaluate its quality and performance.

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