Tim Fittings stands out as a reliable manufacturer and supplier of Incoloy 800, 800H, and 800HT Forged Fittings right here in Wellington, New Zealand. They specialize in crafting high-quality components that are built to perform exceptionally well in high-temperature and corrosive settings. With a strong focus on precision forging and rigorous quality control, Tim Fittings ensures that their fittings not only meet international standards but also cater to critical sectors like power generation, chemical processing, and petrochemicals. Renowned for their durability and dependability, these Incoloy forged fittings are engineered to endure thermal cycling, oxidation, and stress, guaranteeing long-lasting performance in demanding applications across New Zealand.
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 Forged Fittings are composed of nickel (30-35%), chromium (19-23%), and iron as the base element, with small additions of aluminum, titanium, and carbon for enhanced performance. These alloys feature excellent mechanical properties, including a tensile strength of 450-655 MPa and yield strength of 170-275 MPa, depending on the grade. They maintain superior creep and stress rupture properties at elevated temperatures. With a melting point of approximately 1357°C, these fittings offer outstanding resistance to oxidation, carburization, and thermal fatigue in harsh industrial environments.
The Incoloy 800, 800H, and 800HT Forged Fittings are crafted from a nickel-iron-chromium alloy that boasts remarkable resistance to oxidation and carburization, even at elevated temperatures. Incoloy 800 offers solid strength and corrosion resistance, while the 800H and 800HT grades come with higher carbon content and a controlled grain size, enhancing their high-temperature strength and creep resistance. Typically, these alloys contain 30–35% nickel, 19–23% chromium, and varying amounts of iron, with tensile strengths ranging from 485 MPa to 620 MPa, depending on the specific grade and heat treatment. Their outstanding mechanical and thermal properties make them perfect for applications like furnace components, heat exchangers, and reactor vessels.
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 Tim 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 Tim Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@timfittings.co.nz
Incoloy 800 series forged fittings find extensive use in high-temperature environments such as petrochemical plants, nuclear reactors, boilers, and heat treatment equipment. Their ability to maintain mechanical integrity and resist oxidation under thermal stress makes them essential in settings where temperatures consistently exceed 600°C. Businesses throughout Wellington and New Zealand rely on Tim Fittings for dependable solutions that meet their needs.
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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