incoloy 800 pipe
What is incoloy 800 pipe
Incoloy 800 pipe is a high-performance nickel-iron-chromium alloy pipe renowned for its exceptional strength, oxidation resistance and corrosion resistance in extreme high-temperature environments.
It is an excellent choice for chemical processing, power generation, and furnace applications where other materials often fall short.
The material maintains an austenitic microstructure at elevated temperatures and offers variants like 800H and 800HT to enhance creep resistance and stress-rupture performance.
Element | Ni | Cr | Fe | C | Al |
|---|---|---|---|---|---|
Percentage | 30 – 35 | 19 – 23 | 39.5 Min | 0.1 Max | 0.15 – 0.6 |
Element | Ti | Mn | Si | Cu | S |
|---|---|---|---|---|---|
Percentage | 0.15 – 0.6 | 1.5 Max | 1 Max | 0.75 Max | 0.015 Max |
Property | Tensile Strength (min) | Yield Strength (0.2% Offset, min) | Elongation (min in 2 in.) | Hardness (max) |
|---|---|---|---|---|
Incoloy 800 | 75,000 psi | 30,000 psi | 30% | 85 Rockwell B |
Our Incoloy 800 Pipe Fabrication Capabilities
Key Characteristics of
Incoloy 800 Pipe
Composition
Primarily composed of nickel, iron and chromium.
Corrosion Resistance
Exhibits good resistance to oxidation,
carburization and sulfidation.
Mechanical Properties
Possesses excellent tensile strength and ductility, with 800H/HT grades offering enhanced creep resistance.
High-Temp Performance
Exhibits exceptional strength and stability under extreme temperatures (up to 1100°C in certain applications), outperforming most stainless steels.
Applications
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Industrial Furnaces and Heat Treatment
Applications:
Radiation tubes, muffle furnaces, heat treatment baskets, trays.
Core Advantages:
Resistant to oxidation and carburization at high temperatures; does not exhibit embrittlement (no σ phase), suitable for frequent thermal cycling.
Chemical Engineering and Petrochemicals
Applications:
Ethylene cracking furnace tubes, hydrogen/ammonia reformers, nitric acid production pipelines.
Core Advantages:
Exceptional resistance to chloride ion stress corrosion cracking;stable performance in high-temperature hydrogen-containing or acidic environments.
Power Generation Sector
Applications:
Boiler superheater and reheater tubes, nuclear power plant steam generators, molten salt energy storage system piping.
Core Advantages:
High creep rupture strength (800H/HT grade);exceptionally long service life in supercritical steam and molten salt environments.
Aerospace
Applications:
Aircraft exhaust systems, engine cowlings, rocket engine ducts.
Core Advantages:
Maintains high strength at medium to high temperatures (up to 800°C), with excellent fatigue resistance and machinability/weldability.
No matter what your project needs are, we can provide fast and reliable custom solutions!
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Should you have any questions regarding stainless steel pipes & tubings, including manufacturing processes, chemical composition or other unfamiliar matters, our staff will be happy to assist you.