Devang Fittings is a well-respected manufacturer and supplier of Incoloy 800, 800H, and 800HT Forged Fittings, based in Kolkata, India. We take pride in our precision engineering and the reliability of our products. Our range includes forged elbows, tees, couplings, unions, and plugs, all made from high-performance Incoloy 800 series alloys. Crafted according to ASTM B564 standards, these fittings are perfect for high-temperature and corrosive environments. We serve various industries, including power generation, petrochemicals, heat treatment, and chemical processing, providing components that guarantee structural integrity, a great fit, and long-lasting performance even under extreme conditions.
Incoloy Alloy 800/800H/800HT Forged Fittings Specification
Specifications ASTM B366 / ASME SB366
Dimensions ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, MSS SP-79
Size 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
Type Seamless / Welded / Fabricated
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Thickness Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Grade 800 / 800H / 800HT UNS (N08800, N08810, and N08811), DIN (1.4876, 1.4958, and 1.4959)
| Grade | Ni | Fe | Cr | Cu | Ti | Al | C | Mn | S | Si |
| Incoloy 800 | 30.0-35.0 | 39.5 min | 19.0-23.0 | .75 max | .15-.60 | .15-.60 | .1 max | 1.5 max | .015 max | 1.0 max |
| Incoloy 800H | 30.0-35.0 | 39.5 min | 19.0-23.0 | .75 max | .15-.60 | .15-.60 | .05-.10 max | 1.5 max | .015 max | 1.0 max |
| Incoloy 800HT | 30.0-35.0 | 39.5 min | 19.0-23.0 | .75 max | .25-.60 | .85-1.20 | .06-.10 max | 1.5 max | .015 max | 1.0 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.94 g/cm3 | 1350-1400 ℃ | Psi – 75,000 , MPa -520 | Psi – 30,000 , MPa – 205 | 30 – 35 % |
| Incoloy 800 | 1.4876 | N08800 | NCF 800 | NA 15 | ЭИ670 | Z8NC32-21 | X10NiCrAlTi32-20 | XH32T |
| Incoloy 800H | 1.4958 / 1.4876 | N08810 | NCF 800H | NA 15(H) | ЭИ670 | Z8NC33-21 | X5NiCrAlTi31-20 | XH32T |
| Incoloy 800HT | 1.4959 / 1.4876 | N08811 | NCF 800HT | NA 15(HT) | ЭИ670 | – | X8NiCrAlTi32-21 | XH32T |
Incoloy 800, 800H, and 800HT are nickel-iron-chromium alloys that contain about 30–35% nickel, 19–23% chromium, along with small amounts of aluminum and titanium. These alloys are designed to withstand oxidation, carburization, and high-temperature corrosion. The 800H and 800HT variants offer enhanced creep and stress rupture strength thanks to their higher carbon content and solution annealing process. Typical mechanical properties include tensile strength ranging from 500–600 MPa, yield strength between 200–275 MPa, and elongation of 30–45%. These features make them ideal for applications that demand both mechanical strength and corrosion resistance in high-heat settings.
Devang Fittings is a leading supplier of Incoloy 800/ 800H/ 800HT Forged Fittings in Kolkata, India. We offer an extensive range of Monel 400 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.
Incoloy 800/ 800H/ 800HT Forged 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.
Incoloy 800/800H/800HT Forged Fittings offer numerous advantages, including exceptional resistance to high-temperature oxidation, carburization, and corrosion. They maintain structural stability under thermal cycling and prolonged exposure to elevated temperatures, ensuring reliability in demanding environments. These fittings exhibit excellent mechanical strength, creep, and stress rupture resistance, making them ideal for critical applications. Their versatility allows for use in various industries, such as petrochemical, chemical processing, and power generation. Additionally, their durability and low maintenance requirements reduce operational costs, ensuring long-term performance and efficiency in challenging conditions.
Yes, custom sizes for Incoloy 800/ 800H/ 800HT Forged 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
Incoloy 800/800H/800HT Forged Fittings find their place in a variety of critical applications where thermal stability and resistance to chemical attack are crucial. You’ll commonly see them in heat exchangers, furnace components, petrochemical piping, reformer outlet manifolds, superheater tubes, and power plant systems. These fittings are reliable even in environments with sulfur compounds, oxidizing salts, and other harsh substances. Their ability to maintain mechanical properties at elevated temperatures makes them a top choice for thermal processing and high-pressure operations. With excellent weldability and metallurgical stability, these forged fittings promise durability and performance you can count on.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








©2024 Devang Fittings. All Rights Reserved.