Metinox Overseas is a leading Inconel Flanges Manufacturer in India and deals with high-performance nickel chromium alloy flanges with extreme temperatures, corrosive conditions, and high-stress products. Being ISO 9001:2008 certified since 2003, we have a long history of producing nickel alloy flanges with the high standards that are required in the more advanced engineering industries. We have the commitment of being the best in metallurgical excellence and therefore, our Inconel flanges will provide excellent oxidation resistance and mechanical strength.
We have a factory in Mumbai where Inconel flanges are made to comply with the different international standards of ANSI B16.5, ASME B16.47, MSS-SP44, DIN and BS. We are able to provide the complete grade of Inconel 600, 601, 625, 718, and X750. Special alloys are significant in aircraft products, chemical processing equipment, nuclear reactors as well as marine engineering, where normal products fail. In our product portfolio, we have Slip-On, Weld Neck, Blind, Threaded, Socket Weld and Lap Joint flanges.
At Metinox overseas, the main part of our manufacturing process is the quality. That's why all Inconel flanges are thoroughly tested, positive material identification (PMI) is performed, mechanical testing is conducted, and dimensional verification is done to guarantee that all standards of the international specifications are met. We are equipped with a strong stock of nickel alloys of high quality to cater to the urgent projects to our clients in aerospace, chemical processing, petrochemical, marine, power generation and oil and gas industries within India and globally.
Table of Contents
Inconel Flanges by Grade
Inconel 600 Flanges
Inconel 601 Flanges
Inconel 625 Flanges
Inconel 718 Flanges
Inconel X750 Flanges
Inconel Flanges Specification
Our Inconel Flanges are manufactured to precise dimensional standards and material specifications suitable for the most severe service conditions.
| Specification | Details |
| Flange Types | Slip-On, Weld Neck, Blind, Threaded, Socket Weld, Lap Joint |
| Pressure Class | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Size Range | 1/2" (15 NB) to 48" (1200 NB) |
| Face Types | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ) |
| Standards | ANSI B16.5, ASME B16.47 Series A & B, MSS-SP44, DIN, BS |
| Temperature Range | Up to 1200-C (depending on grade) |
Inconel Grades We Manufacture
Metinox Overseas manufactures premium-quality Inconel Flanges in various grades, each offering specific properties tailored for specialized industrial applications.
| Grade | UNS | Applications / Features |
| Inconel 600 | N06600 | General purpose nickel-chromium alloy with excellent oxidation resistance at high temperatures up to 1200-C. Used in furnace components, heat treating equipment, chemical processing. |
| Inconel 601 | N06601 | Enhanced high-temperature oxidation resistance with aluminum addition. Superior to 600 in carburizing environments. Used in thermal processing, petrochemical cracking. |
| Inconel 625 | N06625 | Outstanding corrosion resistance in marine and chemical environments. Excellent fabricability and weldability. Used in seawater applications, chemical processing, aerospace. |
| Inconel 718 | N07718 | Precipitation-hardenable alloy with exceptional strength up to 700-C. Standard for aerospace turbine components, cryogenic applications, nuclear reactors. |
| Inconel X750 | N07750 | Age-hardenable with excellent creep-rupture strength and relaxation resistance. Used in gas turbines, rocket engines, nuclear reactor springs and bolts. |
Chemical Composition
The superior performance of our Inconel flanges is derived from their precise chemical composition, rich in nickel and chromium.
| Grade | Ni | Cr | Fe | Mo | Nb+Ta | Ti | Al | C | Mn | Si | Cu | S |
| 600 | 72.0 min | 14.0-17.0 | 6.0-10.0 | - | - | - | - | 0.15 max | 1.0 max | 0.50 max | 0.50 max | 0.015 max |
| 601 | 58.0-63.0 | 21.0-25.0 | Bal | - | - | - | 1.0-1.7 | 0.10 max | 1.0 max | 0.50 max | 1.0 max | 0.015 max |
| 625 | 58.0 min | 20.0-23.0 | 5.0 max | 8.0-10.0 | 3.15-4.15 | 0.40 max | 0.40 max | 0.10 max | 0.50 max | 0.50 max | - | 0.015 max |
| 718 | 50.0-55.0 | 17.0-21.0 | Bal | 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 | 0.30 max | 0.015 max |
| X750 | 70.0 min | 14.0-17.0 | 5.0-9.0 | - | 0.70-1.20 | 2.25-2.75 | 0.40-1.00 | 0.08 max | 1.0 max | 0.50 max | 0.50 max | 0.010 max |
Mechanical Properties
Inconel flanges offer exceptional mechanical strength and stability across a wide temperature range.
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB max) |
| 600 | 550 min | 240 min | 30 | 187 |
| 601 | 550 min | 240 min | 30 | 187 |
| 625 | 830 min | 415 min | 30 | 207 |
| 718 | 1275 min | 1035 min | 12 | 331 |
| X750 | 1275 min | 1035 min | 12 | 331 |
Types of Inconel Flanges
Metinox Overseas supplies various types of Inconel flanges to suit different connection requirements in critical piping systems.
Slip-On Flanges
These are easy to install and suitable for a low-pressure Inconel piping system.
Weld Neck Flanges
Suited for high temperature and pressure applications, more commonly used in aerospace and chemical industries.
Blind Flanges
These are applied to terminate Inconel piping systems in hazardous and corrosive conditions.
Socket Weld Flanges
These are designed to suit pipelines of small size, high-pressure Inconel pipelines, when their strength and safety are important.
Threaded Flanges
This is an alternative that is practical when welding is unnecessary or not possible.
Lap Joint Flanges
Used with Inconel stub ends for easy alignment.
Orifice Flanges
Essential for flow metering in chemical processing.
Long Weld Neck Flanges
For vessel connections in petrochemical plants.
Reducing Flanges
Connects different pipe sizes in Inconel systems.
Spectacle Blind Flanges
Safety isolation device for maintenance in critical plants.
Application and Uses
Inconel flanges are necessary in extreme environments in various industries. They have wide application in aerospace gas turbines, jet engines, and components of rocket motors in which high-temperature strength is important. Plants where chemical processing involves the use of Acids and chlorides use Inconel flanges. Marine engineering uses comprise seawater piping systems and offshore platforms. These flanges are used in nuclear power plants in the reactor vessels and heat exchangers. They are used in petrochemical refineries in catalytic cracking units and furnace components. They are invaluable in critical applications that require reliability and durability due to their unique oxidation resistance, corrosion resistance, and strength that withstands high temperatures.
Aerospace
Essential for gas turbines, jet engines, and rocket motor components requiring exceptional high-temperature strength.
Chemical Processing
Critical for handling acids, chlorides, and corrosive chemicals in extreme environments.
Marine Engineering
Seawater piping systems and offshore platforms demanding superior corrosion resistance.
Nuclear Power
Reactor vessels and heat exchangers in nuclear facilities requiring extreme reliability.
Petrochemical Refineries
Catalytic cracking units and furnace components operating at extreme temperatures.
High-Temperature Systems
Furnace components, heat treating equipment, and thermal processing applications.
Looking for High-Quality Inconel Flanges?
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Suppliers in India
Metinox Overseas supplies high-quality Inconel Flanges to major industrial hubs across India, supporting advanced manufacturing sectors.
| Bengaluru | Mumbai | Chennai | Hyderabad |
| Kolkata | Pune | New Delhi | Ahmedabad |
| Jaipur | Surat | Salem | Gandhinagar |
| Bhiwandi | Tiruppur | Sivakasi | Jamnagar |
| Thiruvananthapuram | Rajahmundry | Bhubaneswar | Vijaywada |
| Firozabad | Bokaro Steel City | Rajkot | Bharuch |
| Panna | Raipur | Cochin | Ludhiana |
| Panipat | Durgapur | Peenya | Pimpri-Chinchwad |
| Channapatna | Kharagpur | Nashik | Bareilly |
| Varanasi | Haldia | Rourkela | Bangalore |
| Moradabad | Indore | Visakhapatnam | Trivandrum |
| Pithampur | Dibrugarh | Angul | Gwalior |
| Coimbatore | Kannur | Nagpur | Vadodara |
| Rudrapur | Noida | Agra | Bhagalpur |
| Jamshedpur | Bhilai | Lucknow | Kanpur |
| Thane | Bhopal | Durg-Bhilai Nagar | Jabalpur |
| Lucknow | Ghaziabad |
Exporters
Metinox Overseas exports premium Inconel Flanges globally, meeting the stringent requirements of international clients.
| Saudi Arabia | Oman | Kuwait | Bahrain |
| Qatar | UAE | Iran | Netherland |
| Nigeria | Mexico | Canada | Bangladesh |
| United States | South Africa | Malaysia | Brazil |
| Singapore | Sri Lanka | Australia | Turkey |
| Venezuela | United Kingdom | Germany | New Zealand |
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