Incoloy 800 800H 800HT Flanges are nickel-iron-chromium alloys designed for high-temperature applications. These alloys offer excellent resistance to oxidation, carburization, and sulfidation at elevated temperatures. Incoloy 800 is the basic alloy, while 800H and 800HT are modified versions with higher carbon and aluminum contents, enhancing their mechanical properties and creep resistance.
Flanges play a crucial role in piping systems, providing a means for connecting pipes, valves, pumps, and other components. Incoloy 800 flanges are specifically crafted to meet the demanding requirements of high-temperature environments, making them suitable for applications in industries such as petrochemical, chemical processing, and power generation.
Table Of Content
Key features of Incoloy 800, 800H, and 800HT flanges include:
High-Temperature Resistance: Incoloy 800 series alloys exhibit remarkable strength and stability at elevated temperatures, making them ideal for applications involving heat and thermal processing.
Corrosion Resistance: The nickel-chromium composition of these alloys provides exceptional resistance to corrosion, ensuring longevity and reliability in aggressive environments.
Mechanical Strength: Through controlled carbon, aluminum, and titanium additions, Incoloy 800H and 800HT offer enhanced mechanical properties and improved creep resistance, making them suitable for high-stress applications.
Versatility: Incoloy 800 flanges are versatile and can be used in a variety of applications, including furnace components, heat exchangers, and chemical processing equipment.
Weldability: These alloys are weldable using standard welding techniques, allowing for easy fabrication and installation in complex systems.
When selecting Incoloy 800 Flanges, it is essential to consider factors such as temperature, pressure, and corrosion requirements to ensure optimal performance and longevity. Incoloy 800H Flanges are available in various types, including Incoloy 800h weld neck flange, Incoloy 800HT Slip-On Flange, Incoloy 800 socket weld flange, and Incoloy 800h blind flanges, providing flexibility for different piping configurations.
ASTM B564 / ASME SB564, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
1/2" (15 NB) to 48" (1200NB)
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
Forged / Threaded / Screwed / Plate
Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange, Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange.
All Flanges are marked as follows: Grade, Standard, Thickness, Heat No. (Or according to the customer’s request.)
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
| 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 | 1.4859 / 1.4876 | N08811 | NCF 800HT | NA 15(HT) | ЭИ670 | – | X8NiCrAlTi32-21 | XH32T |
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| 800 | 0.10 max | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| 800H | 0.05 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| 800HT | 0.06 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60ᴬ | 0.15 – 0.60ᴬ |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 800 / 800H / 800HT | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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