Devang Fittings is a leading manufacturer and supplier of high-quality pipe fittings and valves in Kolkata, India. With years of experience, they provide a wide range of products, including Inconel Buttweld Fittings, to perform adequately under extreme conditions. Their precision, durability and satisfaction with service and quality has given them a strong reputation in the aerospace, petrochemical and power generation industries. Inconel Buttweld Fittings are made from the finest materials and manufactured to the highest level of quality to provide superior performance even in the most challenging applications.
| Specifications | ASTM B 366 / ASME SB 366 |
| Standards | ANSI B 16.5, BS 1560. BS 10, IS 6392, B-2.1 NPT, API, DIN, JIS. MSS SP 44 |
| Size Range | Seamless 1/2″ – 10″ , Welded 1/2″ – 48″ |
| Type | Seamless & 100% X-Ray Welded, Fabricated |
| Schedule | Sch 5 TO Sch XXS. |
| Pipe Fittings Type | Reducer (Concentric & Eccentric), CAP, Stubend (Long &Short), Nipple (Barrel), Bend (Long & Short), Elbow (180 Deg., 90 Deg. & 45 Deg.), Tee (Equal & Unequal) |
Inconel Buttweld Fittings use Inconel alloys, consisting of over 50% nickel (50-70%), chromium (14-23%), and iron, with quantities of other elements like molybdenum, titanium, and aluminum. Inconel alloys are resistant to oxidation and corrosion, and high temperatures. The mechanical properties of Inconel Buttweld Fittings have an original tensile strength of 80-100 ksi, along with excellent tensile strength and fatigue strength and thermal-fatigue strength. Inconel Buttweld Fittings have excellent weldability, and can handle extreme environments, making them a good option for extreme high temperature and high pressure applications in aerospace, chemical processing, power generation and other industries.
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Inconel 600 | 0.15 max | 1.00 max | 0.50 max | 0.015max | 0.50 max | 6.00 – 10.00 | 72.00 min | 14.00 – 17.00 |
| Inconel 601 | 0.10 max | 1.0 max | 0.5 max | 0.015 max | 1.0 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 | – | 50.00 – 55.00 | 17.00 – 21.00 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Inconel 600 | 8.47 g/cm3 | 1413 °C (2580 °F) | Psi – 95,000 , MPa – 655 | Psi – 45,000 , MPa – 310 | 40 % |
| Inconel 601 | 8.1 g/cm3 | 1411 °C (2571 °F) | Psi – 80,000 , MPa – 550 | Psi – 30,000 , MPa – 205 | 30 % |
| Inconel 625 | 8.4 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa – 930 | Psi – 75,000 , MPa – 517 | 42.5 % |
| Inconel 718 | 8.2 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa – 930 | Psi – 75,000 , MPa – 482 | 45 % |
Devang Fittings is a leading supplier of Inconel Buttweld Fittings in Kolkata, India. We offer an extensive range of fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Inconel 600 | 2.4816 | N06600 | NCF 600 | NA 13 | МНЖМц 28-2,5-1,5 | NC15FE11M | NiCr15Fe |
| Inconel 601 | 2.4851 | N06601 | NCF 601 | NA 49 | XH60BT | NC23FeA | NiCr23Fe |
| Inconel 625 | 2.4856 | N06625 | NCF 625 | NA 21 | ХН75МБТЮ | NC22DNB4M | NiCr22Mo9Nb |
| Inconel 718 | 2.4668 | N07718 | – | – | – | – | – |
Inconel Buttweld Fittings from Devang Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
Inconel Buttweld Fittings have several benefits which make them useful for quality applications. They have high resistance to oxidation, corrosion, and high temperatures ensuring long-term usability in extreme environments. These types of fittings have high strength and stability even when operating at elevated temperatures. Because of these properties, Inconel provides a strong and stable component in high-pressure and high-stress systems. Inconel is highly weldable, which allows for a strong and reliable connection at the pipes’ joint. Additionally, its resistance to thermal-fatigue and creep enhances the performance of these components in industrial applications. Inconel buttweld fittings have many key applications in industries such as aerospace, chemical processing, power generation, and petrochemical.
Yes, custom sizes for Inconel Buttweld Fittings are available at Devang Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@devangfittings.co.in.
Inconel Buttweld Fittings have several benefits which make them useful for quality applications. They have high resistance to oxidation, corrosion, and high temperatures ensuring long-term usability in extreme environments. These types of fittings have high strength and stability even when operating at elevated temperatures. Because of these properties, Inconel provides a strong and stable component in high-pressure and high-stress systems. Inconel is highly weldable, which allows for a strong and reliable connection at the pipes’ joint. Additionally, its resistance to thermal-fatigue and creep enhances the performance of these components in industrial applications. Inconel buttweld fittings have many key applications in industries such as aerospace, chemical processing, power generation, and petrochemical.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








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