Inconel 718 Flanges Manufacturer in India
Metinox Overseas is a reliable manufacturer and distributor of Inconel 718 Flanges in India, which manufactures high-strength, high-precision flanges in the challenging industrial markets. Our Inconel 718 flanges are supported by ISO 9001:2008 certification and years of manufacturing experience and have been known to excel in terms of mechanical strength, extreme temperature capability, and corrosion resistance and hence are best suited to use in critical and high-stress applications.
Our Inconel 718 flanges will be made with regards to the international standards like ANSI B16.5, ASME B16.47, MSS-SP44, DIN, and BS. The products that we produce include Slip-On, Weld Neck, Blind, Threaded, Socket Weld, and Lap Joint flanges in the entire range of flange types so that they fit effectively with alternative piping systems and industry needs.
Each flange is subjected to stringent quality checks such as verification of material, mechanical testing, and dimension checks so that the performance and safety can be similar. We have ready stock and an effective international supply chain, providing Inconel 718 flanges to India and the rest of the world with a high level of efficiency. We have a large range of products in oil and gas, aerospace, power generation, chemical processing, marine engineering and heavy industry where strong, reliable, and long service life are required.
Table of Contents
- Specifications of Inconel 718 Flanges
- Chemical Composition of Inconel 718 Flanges
- Inconel 718 Flanges Mechanical Properties
- Equivalent Grades of Inconel 718 Flanges
- Weight Chart of Inconel 718 Flanges
- Size chart of Inconel 718 Stainless steel flanges
- Pressure Rating of the Inconel 718 Flanges
- Different Types of Inconel 718 Flanges
- Application Uses of Inconel 718 Flanges
- Frequently Asked Questions (FAQ)
Specifications of Inconel 718 Flanges
| Category | Details |
| Size Range | 1/2? (15 NB) to 48? (1200 NB) |
| Pressure Ratings | ANSI/ASME: 150#, 300#, 600#, 900#, 1500#, 2500# PN: PN6, PN10, PN16, PN25, PN40, PN64 |
| Dimensional Standards | ANSI/ASME B16.5, B16.47 (Ser. A & B), B16.48, API 605, MSS SP-44, ISO 70051, JIS B2220, BS 1560-3.1, DIN, GOST, AWWA |
| Face & Connection Types | Flat Face (FF), Raised Face (RF), Ring Joint (RTJ), Lap Joint, Male & Female (M&F), Tongue-and-Groove (T&G) |
| Customization | Custom Drawings, Equal and Reducing Configurations (AS, BS, ANSI, DIN, JIS) |
| Testing & Quality | 100% Radiography, Hydrostatic, Ultrasonic, X-ray, Magnetic Particle, Spectrography, Third Party Inspection |
| Certifications | EN 10204 3.1 & 3.2, NACE MR0175, NACE MR0103, Raw Material Certificates |
| Machinery | Press, Pushing, Bending, Sand-blasting, and Electric Bevelling machines |
| Surface Treatment | Anti-rust Paint, Oil Black, Yellow Transparent, Zinc Plated, Cold/Hot Dip Galvanized |
| Main Applications | Offshore, Oil Field, Shipbuilding, Natural Gas, Pipe Projects, Electric Power |
Chemical Composition of Inconel 718 Flanges
The detailed information about the chemical composition of Inconel 718 flanges is provided below.
| Grade | Ni | Cr | Nb | Mo | Ti | Al | Co | Fe |
| 718 | 50.0 - 55.0 | 17.0 - 21.0 | 4.75 - 5.50 | 2.8 - 3.3 | 0.65 - 1.15 | 0.2 - 0.8 | 1.0 max | Balance |
Inconel 718 Flanges Mechanical Properties
The Alloy 718 Flanges' mechanical properties include many things, such as yield strength and other things that are given in the following table.
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2% Offset) | Elongation |
| Inconel 718 | 8.2 g/cm- | 1350 -C (2460 -F) | 135,000 Psi / 930 MPa | 75,000 Psi / 482 MPa | 45% |
Equivalent Grades of Inconel 718 Flanges
The Inconel 718 Flanges are manufactured in different grades in the entire world, and some of the popular ones are given below.
| Standard | Werkstoff Nr. | UNS |
| Inconel 718 | 2.4668 | N07718 |
Weight Chart of Inconel 718 Flanges
This material is made in different weights according to its dimensions. All the different weight of this material is given below.
| Class | NPS | Slip On | Threaded | Socket Weld | Lap Joint | Blind | Weld Neck |
| 150 lb | - | 1 | 1 | 2 | 1 | 2 | 2 |
| - | 2 | 2 | 2 | 2 | 2 | 2 | |
| 1 | 2 | 2 | 2 | 2 | 2 | 2 | |
| 2 | 5 | 5 | 5 | 5 | 5 | 6 | |
| 4 | 13 | 13 | 13 | 13 | 17 | 16.5 | |
| 8 | 30 | 30 | 30 | 30 | 47 | 42 | |
| 12 | 64 | 64 | 64 | 64 | 123 | 88 | |
| 24 | 220 | 220 | 220 | 275 | 430 | 268 | |
| 300 lb | - | 2 | 2 | 3 | 2 | 2 | 2 |
| 1 | 3 | 3 | 3 | 3 | 4 | 4 | |
| 2 | 7 | 7 | 7 | 7 | 8 | 9 | |
| 4 | 23.5 | 24 | 22 | 24 | 28 | 26.5 | |
| 8 | 58 | 58 | 58 | 58 | 81 | 69 | |
| 12 | 115 | 115 | 115 | 140 | 185 | 142 | |
| 24 | 490 | 490 | 475 | 550 | 800 | 580 | |
| 400 lb | - | 2 | 2 | 2 | 2 | 2 | 3 |
| 2 | 8 | 8 | 8 | 8 | 10 | 10 | |
| 4 | 26 | 26 | 26 | 25 | 33 | 35 | |
| 8 | 67 | 67 | 67 | 64 | 100 | 89 | |
| 12 | 130 | 130 | 130 | 152 | 226 | 175 | |
| 24 | 539 | 539 | 539 | 615 | 936 | 640 | |
| 600 lb | - | 2 | 2 | 2 | 2 | 3 | 3 |
| 2 | 9 | 9 | 9 | 9 | 10 | 12 | |
| 4 | 37 | 37 | 37 | 36 | 41 | 42 | |
| 8 | 115 | 115 | 115 | 112 | 140 | 120 | |
| 12 | 215 | 215 | 215 | 240 | 295 | 226 | |
| 24 | 768 | 768 | 768 | 661 | 1250 | 977 | |
| 900 lb | - | 6 | 6 | 6 | 6 | 4 | 7 |
| 2 | 22 | 22 | 22 | 22 | 125 | 24 | |
| 4 | 53 | 53 | 53 | 51 | 54 | 53 | |
| 8 | 172 | 172 | 172 | 190 | 200 | 187 | |
| 12 | 326 | 326 | 326 | 71 | 415 | 372 | |
| 24 | 1480 | 1480 | 1480 | 1659 | 2099 | 2107 | |
| 1500 lb | - | 6 | 6 | 6 | 6 | 4 | 7 |
| 2 | 25 | 25 | 25 | 25 | 25 | 25 | |
| 4 | 73 | 73 | 73 | 57 | 73 | 73 | |
| 8 | 260 | 260 | 260 | 286 | 302 | 275 | |
| 12 | 667 | 667 | 667 | 749 | 775 | 690 | |
| 24 | 2825 | 2825 | 2825 | 2825 | 3625 | 3325 | |
| 2500 lb | - | - | 7 | - | - | 7 | 8 |
| 2 | - | 38 | - | 37 | 39 | 42 | |
| 4 | - | 127 | - | 122 | 133 | 146 | |
| 8 | - | 485 | - | 471 | 533 | 576 | |
| 12 | - | 1300 | - | 1262 | 1464 | 1608 |
Size chart of Inconel 718 Stainless steel flanges
The different sizes of the Inconel 718 stainless steel flanges are provided in the following table.
| Size | Code | Class 125/150 | Class 300 | Class 400 | Class 600 | Class 900/1500 | Class 2500 |
| 1/2" | A | 3.50" (88.9) | 3.75" (95.2) | 3.75" (95.2) | 3.75" (95.2) | 4.75" (121) | 5.25" (133.4) |
| b | 0.44" (11.1) | 0.56" (14.3) | 0.56" (14.3) | 0.56" (14.3) | 0.88" (22.2) | 1.19" (30.2) | |
| D2 | 1.38" (34.9) | 1.38" (34.9) | 1.38" (34.9) | 1.38" (34.9) | 1.38" (34.9) | 1.38" (34.9) | |
| D1 | 2.38" (60.3) | 2.62" (66.7) | 2.62" (66.7) | 2.62" (66.7) | 3.25" (82.6) | 3.50" (88.9) | |
| n / d | 4 / 0.62" | 4 / 0.62" | 4 / 0.62" | 4 / 0.62" | 4 / 0.88" | 4 / 0.88" | |
| 3/4" | A | 3.88" (98.4) | 4.62" (117.5) | 4.62" (117.5) | 4.62" (117.5) | 5.12" (130) | 5.50" (139.7) |
| b | 0.50" (12.7) | 0.62" (15.9) | 0.62" (15.9) | 0.62" (15.9) | 1.00" (25.4) | 1.25" (31.8) | |
| D2 | 1.69" (42.9) | 1.69" (42.9) | 1.69" (42.9) | 1.69" (42.9) | 1.69" (42.9) | 1.69" (42.9) | |
| D1 | 2.75" (69.8) | 3.25" (82.5) | 3.25" (82.5) | 3.25" (82.5) | 3.50" (88.9) | 3.75" (95.2) | |
| n / d | 4 / 0.62" | 4 / 0.75" | 4 / 0.75" | 4 / 0.75" | 4 / 0.88" | 4 / 0.88" | |
| 1" | A | 4.25" (108) | 4.88" (123.8) | 4.88" (123.8) | 4.88" (123.8) | 5.88" (149.2) | 6.25" (159) |
| b | 0.56" (14.3) | 0.69" (17.5) | 0.69" (17.5) | 0.69" (17.5) | 1.12" (28.6) | 1.38" (34.9) | |
| D2 | 2.00" (50.8) | 2.00" (50.8) | 2.00" (50.8) | 2.00" (50.8) | 2.00" (50.8) | 2.00" (50.8) | |
| D1 | 3.12" (79.4) | 3.50" (88.9) | 3.50" (88.9) | 3.50" (88.9) | 4.00" (102) | 4.25" (108) | |
| n / d | 4 / 0.62" | 4 / 0.75" | 4 / 0.75" | 4 / 0.75" | 4 / 1.00" | 4 / 1.06" | |
| 1 1/2" | A | 5.00" (127) | 6.12" (155.6) | 6.12" (155.6) | 6.12" (155.6) | 7.00" (177.8) | 8.00" (203) |
| b | 0.69" (17.5) | 0.81" (20.6) | 0.88" (22.2) | 0.88" (22.2) | 1.25" (31.8) | 1.75" (44.5) | |
| D1 | 3.88" (98.4) | 4.50" (114) | 4.50" (114) | 4.50" (114) | 4.88" (124) | 5.75" (146) | |
| n / d | 4 / 0.62" | 4 / 0.88" | 4 / 0.88" | 4 / 0.88" | 4 / 1.12" | 4 / 1.25" | |
| 2" | A | 6.00" (152.4) | 6.50" (165.1) | 6.50" (165.1) | 6.50" (165.1) | 8.50" (215.9) | 9.25" (234.9) |
| b | 0.75" (19) | 0.88" (22.2) | 1.00" (25.4) | 1.00" (25.4) | 1.50" (38.1) | 2.00" (50.8) | |
| D1 | 4.75" (121) | 5.00" (127) | 5.00" (127) | 5.00" (127) | 6.50" (165.1) | 6.75" (171) | |
| n / d | 4 / 0.75" | 8 / 0.75" | 8 / 0.75" | 8 / 0.75" | 8 / 1.00" | 8 / 1.12" | |
| 2 1/2" | A | 7.00" (177.8) | 7.50" (190.5) | 7.50" (190.5) | 7.50" (190.5) | 9.62" (244) | 10.50" (266.7) |
| b | 0.88" (22.2) | 1.00" (25.4) | 1.12" (28.6) | 1.12" (28.6) | 1.62" (41.3) | 2.25" (57.2) | |
| D1 | 5.50" (139.7) | 5.88" (149.2) | 5.88" (149.2) | 5.88" (149.2) | 7.50" (190.5) | 7.75" (197) | |
| n / d | 4 / 0.75" | 8 / 0.88" | 8 / 0.88" | 8 / 0.88" | 8 / 1.12" | 8 / 1.25" |
Pressure Rating of the Inconel 718 Flanges
To know about the different pressure ratings of the Inconel 718 Flanges, refer to the table below.
| Temp. (-C) | Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 2500 |
| -29 to 38 | 20.0 | 51.7 | 68.9 | 103.4 | 155.1 | 258.6 | 430.9 |
| 100 | 17.7 | 51.5 | 68.7 | 103.0 | 154.6 | 257.6 | 429.4 |
| 200 | 13.8 | 48.6 | 64.8 | 97.2 | 145.8 | 243.4 | 405.4 |
| 300 | 10.2 | 42.9 | 57.0 | 85.7 | 128.6 | 214.4 | 357.1 |
| 400 | 6.5 | 36.5 | 48.9 | 73.3 | 109.8 | 183.1 | 304.9 |
| 450 | 4.6 | 33.7 | 45.1 | 67.7 | 101.4 | 169.0 | 281.8 |
| 500 | 2.8 | 28.2 | 37.6 | 56.5 | 84.7 | 140.9 | 235.0 |
| 550 | - | 13.9 | 18.6 | 27.9 | 41.8 | 69.7 | 116.2 |
| 600 | - | 6.6 | 8.9 | 13.3 | 19.9 | 33.2 | 55.3 |
| 650 | - | 4.7 | 6.3 | 9.5 | 14.2 | 23.6 | 39.4 |
Different Types of Inconel 718 Flanges
Inconel 718 Orifice Flange
Inconel 718 Threaded Flange
Inconel 718 Reducing Flange
Inconel 718 Lap Joint Flange
Inconel 718 Long Weld Neck Flange
Inconel 718 Socket Weld Flange
Inconel 718 Weld Neck Flange
Inconel 718 Blind Flange
Inconel 718 Slip-On Flange
Application Uses of Inconel 718 Flanges
Inconel 718 flanges are commonly used in many industries due to their high strength and operate smoothly in high temperature or harsh environments. They are used in the chemical tanks, the equipment in the chemical industry, including pumps, fans, centrifuges, sulphur melting coils, and in important systems such as digesters in sulphate and sulfite plants, blow tanks, and blow lines. The flanges are important in the pulp and paper industry, the petrochemical industries and power generation plants, where reliability and long service life are very important. They are applied in oil and gas industries in high-pressure piping systems and processing unit, and due to their corrosion resistance, they are best suited in desalination plants and biofuels plants. Inconel 718 is also used in architecture and construction, food processing equipment, and in cargo tanks of ships and trucks, and offers safe, long-lasting, and durable performance over a huge variety of applications in the industrial world.
Frequently Asked Questions (FAQ)
Inconel 718 flanges are high-strength nickel alloy flanges designed for use in extreme temperatures, high pressure, and corrosive industrial environments.
They can operate reliably from very low temperatures up to around 700-C, maintaining strength and stability.
Yes, they can be manufactured in custom sizes, pressure ratings, and specifications to meet specific project needs.
Yes, Inconel 718 flanges are ideal for high-pressure applications due to their excellent mechanical strength and structural stability.
Metinox Overseas is a trusted and leading manufacturer of Inconel 718 flanges in India, known for certified quality, reliable performance, and timely global delivery.
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