Home > Incoloy 800/800H/800HT Flanges
Yaman Steel has built a solid reputation as a leading manufacturer and supplier of Incoloy 800, 800H, and 800HT Flanges right in the heart of Mumbai, India. They specialize in providing top-notch nickel alloy flange solutions that are perfect for high-temperature and high-stress environments. Thanks to their state-of-the-art manufacturing facilities and rigorous quality control measures, Yaman Steel guarantees flanges that meet ASTM, ASME, and international standards. The company is well-regarded for its precision machining, outstanding surface finishes, and unwavering quality. They cater to a variety of industries, including power generation, petrochemical, chemical processing, and heat treatment, supplying Incoloy 800/800H/800HT Flanges that are built for reliability and long-lasting performance even in the toughest operating conditions.
These flanges are crafted from nickel-iron-chromium alloys, with carefully controlled additions of carbon and aluminum. Incoloy 800 is known for its impressive strength and resistance to corrosion, while the 800H and 800HT variants offer even better creep and rupture strength, thanks to their higher carbon content and controlled grain size. On a mechanical level, these flanges boast high tensile and yield strength, along with excellent resistance to oxidation and carburization, ensuring stability at elevated temperatures. They maintain their structural integrity even when exposed to heat and thermal cycling for extended periods.
Specifications : ASTM B564 / ASME SB564
Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2″ (15 NB) to 48″ (1200NB)
Class/Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Type : Slip on flanges, Socket weld flanges, Forged flanges, Blind flanges, Welding neck flange, Ring type joint flange, Spectacle blind flange, Reducing flange, Threaded / Screwed flange, Tongue and Groove flange, Long weld neck flange, Flat flange, Industrial flanges, Plate flange, ASME B16.5 flanges.
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| Incoloy 800 | 0.10 max | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30 – 35 | 19 – 23 | 0.15 – 0.60 | 0.15 – 0.60 |
| Incoloy 800H | 0.05 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30 – 35 | 19 – 23 | 0.15 – 0.60 | 0.15 – 0.60 |
| Incoloy 800HT | 0.06 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30 – 35 | 19 – 23 | 0.15 – 0.60 | 0.15 – 0.60 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
Yaman Steel is the largest manufacturer and exporter of Pipe, Fittings, Flanges in Mumbai, India, known for delivering high-quality products to clients across the globe. With state-of-the-art manufacturing facilities and a team of skilled professionals, the company ensures flanges with superior strength, durability, and reliability that meet international standards. Yaman Steel offers a wide range of sizes, grades, and specifications, catering to industries such as oil and gas, petrochemical, power, and water treatment. For inquiries and orders, contact us at sales@pipefittingsflanges.com.
Incoloy 800/800H/800HT Flanges are a go-to choice for high-temperature industrial applications where strength and oxidation resistance are paramount. You’ll find them in heat exchangers, boilers, furnace components, and petrochemical processing units, making them ideal for handling high-temperature gases, steam, and hydrocarbons. These flanges are also frequently used in power plants, chemical reactors, and pressure vessels. With their remarkable thermal stability, mechanical strength, and resistance to scaling, Incoloy 800/800H/800HT Flanges are the preferred option for demanding service environments.
Yamam Steel supplies high-quality pipe, fittings and flanges for plumbing, commercial, and industrial applications across Mumbai and beyond.
