Inconel Flanges Manufacturer
Kalpaturu Piping Solution is a reputed manufacturer, supplier and exporter of quality Inconel flanges which have been engineered to suit the challenging demands of modern industrial use. Our Inconel flanges are made of high-production and -grade alloys that make them very strong and highly resistant in terms of corrosion and durability in severe conditions of use. The characteristics render their use in oil and gas, chemical processing, power generation, marine, and aerospace industries.
Inconel flanges are commonly used to establish secure and non-leak joints in piping systems that have high pressure and temperature. Inconel 625, Inconel 601, and Inconel 718 are graded as having the best resistance to oxidation, pitting, and crevice corrosion characteristics, which guarantee stable operation in hostile conditions. Kalpataru Piping Solution has a full selection of flange types, such as Weld Neck, Slip-On, Socket Weld, Blind, Orifice and RTJ flanges of various sizes, pressure classes, and surface finishes.
Our Inconel flanges are all built to international standards including ANSI B16.5 and ANSI B16.47 and also EN 1092 and ASTM, this makes our flanges acceptable and of quality across the globe. Our flanges are highly utilised in refineries, heat exchangers, boilers, gas turbines, and offshore platforms with great welding capacity, high mechanical strength, and thermal fatigue resistance. Rigorous quality control is done on each product to ascertain the dimensional accuracy and performance of each product. Supported by effective logistics, competitive prices, and superior technical support, Kalpataru Piping Solution provides credible solutions of Inconel flanges as per the project specifications globally.
Table of content
- What are Inconel Flanges?
- Material grades of Inconel Flanges
- Inconel Flanges Specifications
- Common Types Of Inconel Flanges
- Chemical Composition of Inconel Flanges (%)
- Mechanical Properties of ASTM B564 Inconel Flanges
- Equivalent Grades of Inconel Flanges
- Applications of Inconel Flanges
- People Ask About Inconel Flanges Manufacturer
What are Inconel Flanges?
Inconel flanges are high-performance pipe connector pipes constructed of nickel-chromium-based superalloys (such as Inconel 600, 625 and 718) designed to perform under very extreme conditions with the benefit of extreme strength, resistance to corrosion (even in acidic/marine operations) and long life at very high temperatures, making them very important to the aerospace, chemical processing, power generation and oil and gas industries.
Material grades of Inconel Flanges
Inconel Flanges Specifications
Specification | Details |
Product Standard | ASTM B564 / ASME SB564 |
Dimensions | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS 4504, BS 10, EN 1092, DIN |
Flange Standards | ANSI, ASME, BS, DIN, EN Flanges |
Size Range | 1/2″ NB to 60″ NB |
Pressure Rating | 150#, 300#, 600#, 900#, 1500#, 2500#, PN 6, PN 10, PN 16, PN 25, PN 40, PN 64 |
Facing Types | Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
Grades Offered | Inconel 600, 601, 625, 718, 783, 690, X-750 |
Common Types Of Inconel Flanges
Inconel Material Lap Joint Flanges
Inconel Material Weld Neck Flange
Inconel Metal Orifice Flanges
Inconel Metal Socket Weld Flange
Inconel Metal Spacer Flange
Inconel Ring Type Joint Flange
Inconel Slip On Flange
Inconel Threaded Flange
Inconel Alloy Blind Flanges
Inconel Alloy Plate Flange
Inconel Alloy Spectacle Blind Flanges
Inconel Material Expander Flange
Chemical Composition of Inconel Flanges (%)
Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
Inconel 600 | 0.15 max | 1.00 max | 0.50 max | 0.015 max | 0.50 max | 6.00–10.00 | 72.00 min | 14.00–17.00 |
Inconel 601 | 0.10 max | 1.00 max | 0.50 max | 0.015 max | 1.00 max | Balance | 58.0–63.0 | 21.0–25.0 |
Inconel 625 | 0.10 max | 0.50 max | 0.50 max | 0.015 max | — | 5.0 max | 58.0 min | 20.0–23.0 |
Inconel 718 | 0.08 max | 0.35 max | 0.35 max | 0.015 max | 0.30 max | — | 50.0–55.0 | 17.0–21.0 |
Mechanical Properties of ASTM B564 Inconel Flanges
Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%) | Elongation |
Inconel 600 | 8.47 g/cm³ | 1413°C (2580°F) | 655 MPa | 310 MPa | 40% |
Inconel 601 | 8.10 g/cm³ | 1411°C (2571°F) | 550 MPa | 205 MPa | 30% |
Inconel 625 | 8.40 g/cm³ | 1350°C (2460°F) | 930 MPa | 517 MPa | 42.5% |
Inconel 718 | 8.20 g/cm³ | 1350°C (2460°F) | 930 MPa | 482 MPa | 45% |
Equivalent Grades of Inconel Flanges
Grade | GOST | Werkstoff Nr. | UNS | JIS | BS | AFNOR | EN |
Inconel 718 | — | 2.4668 | N07718 | — | — | — | — |
Inconel 601 | XH60BT | 2.4851 | N06601 | NCF 601 | NA 49 | NC23FeA | NiCr23Fe |
Inconel 600 | МНЖМц 28-2.5-1.5 | 2.4816 | N06600 | NCF 600 | NA 13 | NC15FE11M | NiCr15Fe |
Inconel 625 | ХН75МБТЮ | 2.4856 | N06625 | NCF 625 | NA 21 | NC22DNB4M | NiCr22Mo9Nb |
Pressure Rating Chart of Inconel Slip-On Flanges
Temperature (°C) | Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 | Class 2500 |
-29 to 38 | 51.7 | 258.6 | 155.1 | 103.4 | 20.0 | 430.9 |
50 | 51.7 | 258.6 | 155.1 | 103.4 | 19.5 | 430.9 |
100 | 51.5 | 257.6 | 154.6 | 103.0 | 17.7 | 429.4 |
200 | 48.3 | 241.7 | 145.0 | 96.7 | 13.8 | 402.8 |
250 | 46.3 | 231.8 | 139.0 | 92.7 | 12.1 | 386.2 |
300 | 42.9 | 214.4 | 128.6 | 85.7 | 10.2 | 357.1 |
350 | 40.3 | 201.1 | 120.7 | 80.4 | 8.4 | 335.3 |
400 | 36.5 | 183.1 | 109.8 | 73.3 | 6.5 | 304.9 |
450 | 33.7 | 169.0 | 101.4 | 67.7 | 4.6 | 281.8 |
500 | 28.2 | 140.9 | 84.7 | 56.5 | 2.8 | 235.0 |
550 | 25.0 | 124.9 | 74.8 | 49.8 | — | 208.0 |
600 | 21.6 | 107.0 | 64.2 | 42.9 | — | 178.5 |
650 | 14.1 | 70.4 | 42.2 | 28.1 | — | 117.3 |
700 | 8.8 | 43.8 | 26.3 | 17.5 | — | 73.0 |
Inconel Weld Neck Flange Size Chart
Nominal Size (Inches) | Outside Diameter (OD) (Inch) | Thickness (Inch) | Bolt Hole Diameter (Inch) | Number of Bolt Holes | Hub Length (Inch) |
1/2″ | 3.38 | 0.44 | 0.56 | 4 | 0.81 |
3/4″ | 3.88 | 0.50 | 0.56 | 4 | 0.94 |
1″ | 4.50 | 0.56 | 0.69 | 4 | 1.06 |
1 1/2″ | 5.38 | 0.63 | 0.69 | 4 | 1.25 |
2″ | 6.00 | 0.75 | 0.75 | 4 | 1.38 |
3″ | 7.50 | 0.88 | 0.88 | 4 | 1.75 |
4″ | 9.00 | 1.00 | 1.00 | 8 | 2.00 |
6″ | 12.00 | 1.12 | 1.12 | 8 | 2.38 |
8″ | 14.50 | 1.25 | 1.38 | 8 | 2.75 |
10″ | 16.00 | 1.38 | 1.38 | 8 | 3.00 |
Inconel Ring Type Joint (RTJ) Flange Weight Chart
Nominal Size (Inches) | Approx. Weight (Kg) | Blind (Kg) | Weld Neck (Kg) | Socket Weld (Kg) | Thickness (mm) | Outer Diameter (mm) |
1/2″ | 15 | 0.4 | 0.5 | 0.4 | 11.2 | 88.9 |
3/4″ | 20 | 0.6 | 0.7 | 0.6 | 12.7 | 98.6 |
1″ | 25 | 0.9 | 1.0 | 0.8 | 14.2 | 108.0 |
1 1/4″ | 32 | 1.2 | 1.3 | 1.0 | 15.7 | 117.3 |
1 1/2″ | 40 | 1.5 | 1.7 | 1.3 | 17.5 | 127.0 |
2″ | 50 | 2.4 | 2.6 | 2.1 | 19.1 | 152.4 |
2 1/2″ | 65 | 3.9 | 4.1 | 3.3 | 22.4 | 177.8 |
3″ | 80 | 4.9 | 4.9 | 3.9 | 23.9 | 190.5 |
3 1/2″ | 90 | 6.2 | 6.1 | 4.8 | 23.9 | 215.9 |
4″ | 100 | 7.0 | 6.8 | 5.3 | 23.9 | 228.6 |
5″ | 125 | 8.6 | 8.6 | 6.1 | 23.9 | 254.0 |
6″ | 150 | 11.3 | 10.6 | 7.5 | 25.4 | 279.4 |
8″ | 200 | 19.6 | 17.6 | 12.1 | 28.4 | 342.9 |
10″ | 250 | 28.6 | 24.0 | 16.5 | 30.2 | 406.4 |
12″ | 300 | 43.2 | 36.5 | 26.2 | 31.8 | 482.6 |
14″ | 350 | 58.1 | 48.4 | 34.6 | 35.1 | 533.4 |
16″ | 400 | 76.1 | 60.6 | 44.8 | 36.6 | 596.9 |
18″ | 450 | 93.7 | 68.3 | 48.9 | 39.6 | 635.0 |
20″ | 500 | 122.0 | 84.5 | 61.9 | 42.9 | 698.5 |
24″ | 600 | 185.0 | 115.0 | 86.9 | 47.8 | 812.8 |
Ready Stock Of Inconel Flanges Manufacturer
| Inconel Alloy Male & Female Flanges | ASME B16.5 Inconel Flanges |
| Incoloy® Alloy Flanges | Inconel Flanges |
| Incoloy Orifice Flange | Incoloy Alloy Spades Ring Spacers Flanges |
| Incoloy 1500 LBS Screwed Flanges | Inconel Alloy Flanges |
| Inconel 150 LBS Threaded Flanges | ASME / ANSI B16.5 Inconel Flanges |
| Incoloy High Hub Blind Flanges | Inconel BS Standard Table E |
| Incoloy Expander Flanges | Incoloy Lapped Joint Flanges |
| ASTM B564 Inconel Flange | Inconel Forged Flanges |
| Inconel Alloy 300 LBS Flanges | Incoloy Groove Flanges |
| Incoloy® Alloy BSP Thread Flange | Incoloy Alloy Long Welding Neck Flange |
| Inconel Nipo Flanges | Incoloy Industrial Lap Joint Flanges |
| Inconel Spectacle Blind Flanges | Incoloy Flanges |
| Inconel Alloy Loose Flanges | Inconel Alloy Plate Flanges |
| Inconel NPT Thread Flanges | Incoloy British Standard Table D Pipe Flanges |
| Inconel Pipe Flanges | Incoloy Tongue Flanges |
| Incoloy Alloy Flanges | Incoloy Weldo Flanges |
| Type Inconel Threaded Flange | Inconel Spades Ring Spacers Flanges |
Applications of Inconel Flanges
- Oil and Gas Industry : Inconel flanges are widely used in upstream, midstream, and downstream oil and gas operations. Their high strength and resistance to corrosion make them suitable for pipelines, pressure vessels, and offshore platforms operating under extreme pressure and temperature conditions.
- Chemical and Petrochemical Plants : In chemical processing units, Inconel flanges are preferred for handling aggressive chemicals, acids, and alkalis. Their excellent resistance to oxidation, pitting, and crevice corrosion ensures long service life and safe operation.
- Power Generation Industry : Inconel flanges are extensively used in thermal and nuclear power plants. They perform reliably in boilers, heat exchangers, turbines, and high-temperature steam systems where thermal stability is critical.
- Aerospace and Aviation : Due to their ability to withstand extreme heat and mechanical stress, Inconel flanges are used in jet engines, gas turbines, and aerospace structural components requiring high performance and durability.
- Marine and Offshore Engineering : Inconel flanges are ideal for marine and offshore applications because of their superior resistance to seawater corrosion. They are commonly used in desalination plants, shipbuilding, and offshore drilling systems.
- Heat Exchangers and Boilers : Inconel flanges are used in heat exchangers, furnaces, and boilers where continuous exposure to high temperatures and thermal cycling demands excellent strength and oxidation resistance.
- Nuclear Industry : The nuclear sector relies on Inconel flanges for reactor vessels, fuel handling systems, and piping components due to their stability, corrosion resistance, and compliance with stringent safety standards.
- Refineries and Process Plants : In refineries and process plants, Inconel flanges ensure leak-proof connections in high-pressure piping systems, contributing to operational safety and efficiency in harsh industrial environments.
People Ask About Inconel Flanges Manufacturer
Inconel flanges are used to connect pipes, valves, pumps, and other equipment in systems operating under high temperature, high pressure, or corrosive environments.
Common grades include Inconel 600, 601, 625, 718, 690, 783, and X-750, each offering specific resistance to heat, oxidation, and corrosion.
Yes, Inconel flanges maintain mechanical strength and stability at elevated temperatures, making them ideal for furnaces, heat exchangers, and gas turbines.
Inconel flanges are manufactured as per ASTM B564 / ASME SB564 and dimensional standards such as ASME B16.5, B16.47, EN 1092, DIN, and BS.
Inconel flanges are available in Weld Neck, Slip-On, Socket Weld, Blind, RTJ, Orifice, and Spectacle Blind types.