Heer Fittings is one of the top manufacturers and suppliers of Incoloy 800, 800H, and 800HT Forged Fittings in Delhi, India, with high-quality solutions for use in applications demanding superior strength and resistance to oxidation at high temperatures. These forged fittings—in the form of elbows, tees, unions, couplings, caps, plugs, and bushings—are produced as per ASTM B564 and ASME B16.11 standards. The Incoloy 800 series consists of controlled carbon and aluminum-titanium addition nickel-iron-chromium alloys, specifically made for high-temperature and corrosive industrial structural integrity. Heer Fittings provides precision-machined fittings with high thermal stability and resistance to corrosion.
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 |
Chemical makeup throughout the Incoloy 800 series encompasses about 30–35% nickel, 19–23% chromium, and balanced iron with 800H and 800HT grades containing greater content of carbon and aluminum/titanium to enhance creep and stress rupture strength. These fittings forged provide tensile strength ranging from 520–655 MPa, yield strength of about 205–300 MPa, and elongation ranging from 30–45%. They have superb strength and resistance to oxidation at temperatures of up to 1100°F (593°C) for Incoloy 800 and up to 1500°F (815°C) for 800H/800HT, with good metallurgical stability over prolonged service.
Heer Fittings is a leading supplier of Incoloy 800/ 800H/ 800HT Forged Fittings in Delhi, 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 Heer 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.
Yes, custom sizes for Incoloy 800/ 800H/ 800HT Forged Fittings are available at Heer Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@heerfittings.com
Incoloy 800/800H/800HT Forged Fittings are extensively utilized in heat exchangers, hydrocarbon processing equipment, power plant boilers and pipes, chemical and petrochemical processing equipment, steam generators, and nuclear reactors. These fittings are particularly suited for applications involving high-pressure steam, high-temperature gases, carburizing atmospheres, and thermal cycling. They can resist oxidation, sulfidation, and carburization, retain their dimensional stability, and thus are the first choice for engineers looking for sound high-temperature forged pieces for use in critical service.
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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