Grant Fittings, located in Manila, Philippines, stands out as a top-notch manufacturer and supplier of high-quality industrial components, particularly known for their Incoloy 800/800H/800HT Forged Fittings. With a reputation built on precision engineering, durability, and strict adherence to international standards, Grant Fittings delivers reliable and corrosion-resistant forged fittings that are perfect for high-temperature and industrial applications. Their Incoloy 800/800H/800HT Forged Fittings are crafted to perform exceptionally well under elevated temperatures, high pressures, and in environments that are either oxidizing or mildly corrosive. With a strong commitment to quality, consistency, and customer satisfaction, Grant Fittings has earned its place as a trusted partner for engineers, fabricators, and industrial clients, both locally and around the globe.
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/800HT is a nickel-iron-chromium alloy celebrated for its outstanding resistance to oxidation and carburization at high temperatures, along with impressive mechanical strength. These Forged Fittings showcase remarkable creep and stress-rupture resistance, toughness, and dimensional stability, even when subjected to thermal cycling and prolonged exposure to high temperatures. The unique combination of high-temperature performance and corrosion resistance makes Incoloy 800/800H/800HT Forged Fittings the go-to choice for critical piping systems in tough industrial settings.
Grant Fittings is a leading supplier of Incoloy 800/ 800H/ 800HT Forged Fittings in Manila, Philippines. 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 Grant 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 Grant Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@grantfittings.com
You’ll find Incoloy 800/800H/800HT Forged Fittings widely utilized across the petrochemical, chemical processing, power generation, and refinery industries. They’re ideal for pipelines, valves, heat exchangers, and process systems that face high temperatures, oxidizing atmospheres, and mildly corrosive media. Thanks to their superior mechanical strength, thermal stability, and long service life, these fittings ensure safe and efficient fluid transport. They significantly enhance operational reliability, performance, and longevity, making them indispensable for industrial applications that demand high-performance, corrosion-resistant forged piping solutions.
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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