Incoloy 800H, with its unique composition and exceptional performance, has cemented its reputation as a versatile industrial material. This superalloy is renowned for its remarkable properties and diverse applications. When it comes to sourcing Incoloy 800H, MV Super Alloys is the premier choice in India. As the leading Incoloy 800H supplier, trader, stockist, importer, dealer, and exporter, we offer a comprehensive range of Incoloy 800H products, meticulously adhering to Incoloy 800 specifications and ASTM standards. Our inventory includes various forms such as pipes, tubes, round bars, coils, shims, strips, wires, sheets, and plates. Whether you’re in search of Incoloy 800H composition details or specific Incoloy 800H pipes in accordance with Incoloy 800 ASTM specifications MV Super Alloys is your ultimate destination.
What is Incoloy 800H?
Incoloy 800H is a nickel-iron-chromium alloy that belongs to the class of superalloys. This alloy is derived from Incoloy 800, with the letter ‘H’ signifying the modification that distinguishes it. The primary modification in 1.4958 / 1.4876 alloy is its higher carbon content (0.05-0.10%), which enhances its high-temperature strength and resistance to oxidation, carburization, and sulfidation. This makes it a valuable material for applications involving elevated temperatures and aggressive environments.
Key Properties of Incoloy 800H
- High-Temperature Resistance: Incoloy 800H excels in environments where temperatures can soar to 1100°C (2000°F) and beyond. It retains its structural integrity and mechanical properties even at extreme temperatures, making it ideal for furnace components and heat exchangers.
- Corrosion Resistance: The alloy exhibits excellent resistance to oxidation, carburization, and sulfidation, making it suitable for applications in chemical processing, petrochemical, and power generation industries.
- Creep and Rupture Strength: N08810 alloy maintains its mechanical strength over extended periods, offering superior resistance to creep and rupture at high temperatures. This property is invaluable in applications involving sustained stress, such as pressure vessels and power plant components.
- High Thermal Stability: The alloy’s ability to maintain its properties at elevated temperatures makes it an excellent choice for applications requiring long-term thermal stability.
Benefits of Incoloy 800H
- Longevity: Its resistance to high-temperature degradation and corrosion ensures a longer service life in challenging environments.
- Versatility: The alloy’s wide range of applications across various industries showcases its versatility.
- Low Maintenance: Incoloy 800H components often require less maintenance due to their robust nature.
- Cost-Effective: While it may have a higher initial cost, the longer lifespan and lower maintenance requirements make it a cost-effective choice in the long run.
Incoloy 800 Specification & Standards
| Form | ASTM | ASME | DIN |
| Plate, Sheet, and Strip | A 240
B 409 | SA 240
SB 409 | 17460 |
| Rod, Bar, Wire, Forings, and Foring Stock | B 408
B 564 | SB 408
SB 564 | 17460 |
| Pipe and Tube | B 163
B 407/B 829
B 514/B 775
B 515 / B 751 | SB 163
SB 407 / SB 829
SB 514 / SB 775
SB 515 / SB 751 | 17459 |
Incoloy 800H Alloy Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
| 800H | 1.4958 / 1.4876 | N08810 | NCF 800H | NA 15(H) | ЭИ670 | Z8NC33-21 | X5NiCrAlTi31-20 | XH32T |
Incoloy 800H composition
| Grade | C | Mn | Si | Fe | S | Cr | Al-Ti | Ni |
| 800H | min | 0.05 | – | – | 39.5 | – | 19.0 | 0.15 | 30.0 |
| max | 0.1 | 1.5 | 1.0 | – | 0.015 | 23.0 | 0.60 | 35.0 |
Incoloy 800H Alloy Mechanical Properties
| Grade | Density | Melting Point | Tensile Strength (Mpa) Min | Yield Strength 0.2% Proof (Mpa) min | Elongation (% in 50mm) min |
| 800-H-HT | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000, MPa – 520 | Psi – 30,000, MPa –205 | 30 |
Applications of Incoloy 800H
Incoloy 800H is a high-temperature, corrosion-resistant alloy that is used in various industrial applications. It offers excellent resistance to oxidation, carburization, and other high-temperature environments. Here are some common applications of 1.4958 / 1.4876 alloy:
- Heat Exchangers
- Furnace Components
- Petrochemical Industry
- Power Generation
- Chemical Processing
- Aerospace Industry
- Oil and Gas Industry
- Food Processing
- Industrial Heating Elements
- Nuclear Industry
- Waste Incineration
- Other Applications
