Incoloy Alloy 800 (UNS N08800) – Composition, Properties, and Uses

Incoloy alloy 800, also known as UNS N08800, is a nickel-iron-chromium-based alloy specifically designed to provide excellent mechanical properties and corrosion resistance in high-temperature and corrosive environments. Since its inception, this alloy has found widespread applications in various industrial sectors, particularly those requiring resistance to extreme conditions. In today’s article, we will delve into the details of the composition, properties, and uses of Incoloy alloy 800 (UNS N08800).

Incoloy Alloy 800 (UNS N08800) – Composition, Properties, and Uses

Incoloy Alloy 800 (UNS N08800) – 1. Composition:

Incoloy 800 is mainly composed of nickel (Ni), iron (Fe), and chromium (Cr). Among them, the high nickel content provides it with excellent corrosion resistance, especially in alkaline and acidic environments. The addition of chromium enhances its oxidation resistance, especially at high temperatures. In addition, the alloy also contains small amounts of elements such as carbon (C), manganese (Mn), silicon (Si), copper (Cu), and sulfur (S), which fine-tune the overall properties of the alloy.

Incoloy Alloy 800 (UNS N08800) – 2. Properties:

1. Corrosion Resistance: Incoloy 800 exhibits excellent corrosion resistance against a wide range of corrosive media, including oxidizing acids, reducing acids, and salt solutions. Notably, its resistance to oxidation and carburization at high temperatures is particularly impressive.
2. High-Temperature Strength: This alloy maintains high strength and good ductility at elevated temperatures, making it an ideal choice for high-temperature structural applications.
3. Workability: Incoloy alloy 800 is easy to hot-work and cold-work, including processes such as forging, rolling, and welding. It is resistant to cracking or embrittlement during fabrication.
4. Weldability: Due to its good weldability, Incoloy 800 can be joined using various welding methods, including tungsten inert gas welding, metal inert gas welding, and resistance welding.

Incoloy Alloy 800 (UNS N08800) – 3. Uses:

1. Petrochemical Industry: In the petrochemical industry, Incoloy alloy 800 is widely used in the manufacture of reactors and heat exchangers operating at high temperatures and pressures. Its excellent corrosion resistance and high-temperature strength enable it to operate stably in harsh chemical environments for extended periods.
2. Power Industry: In the power industry, this alloy is commonly used in the construction of combustion chambers and superheaters for gas turbines. These components must withstand the dual challenges of high temperatures and corrosive gases, making Incoloy alloy 800 an ideal material for these requirements.
3. Nuclear Industry: Due to its exceptional radiation resistance, Incoloy 800 is also employed in certain critical components of nuclear reactors, such as fuel elements and control rods.
4. Chemical Industry: In the chemical industry, this alloy is utilized in the fabrication of equipment and piping for handling corrosive chemicals. For instance, in the production lines for strong acids like sulfuric acid, phosphoric acid, and nitric acid, the corrosion resistance of Incoloy alloy 800 is fully demonstrated.
5. Other Industries: Besides the aforementioned sectors, Incoloy 800 also finds widespread applications in industries such as aerospace, marine engineering, pharmaceutical manufacturing, and food processing.

Why Choose Huaxiao Alloy?

In summary, Incoloy alloy 800, as a high-performance nickel-based alloy, plays an irreplaceable role in many fields. Its excellent corrosion resistance, high-temperature strength, and good processability make it an ideal choice for extreme environments and challenges.

Thank you for reading our article and we hope it can help you to have a better understanding of the composition, properties, and uses of Incoloy alloy 800 (UNS N08800). If you are looking for Incoloy alloy 800 (UNS N08800) suppliers online, please don’t hesitate to contact Huaxiao Alloy.

As a leading supplier of Incoloy alloy products across the world, Huaxiao Alloy provides customers with high-quality Incoloy alloy 800, Incoloy 825, Inconel Alloy 750, Inconel Alloy 718, Inconel 602 alloy, Hastelloy S Alloy, Inconel Alloy 600, Inconel Alloy 601, Inconel 625 UNS N06625, Hastelloy B3 (UNS N10675), Hastelloy D205, Hastelloy G30 (UNS N06030), Hastelloy C-2000, Hastelloy B2, Hastelloy X alloy, Hastelloy C4, Hastelloy C-276, and Hastelloy C22.