What is Alloy 800HT UNS N08811?
Alloy 800HT UNS N08811 is a nickel-iron-chromium superalloy known for its exceptional high-temperature strength, oxidation resistance, and excellent creep rupture properties. This material is widely used in demanding industrial environments where thermal stability and corrosion resistance are crucial.
Key Properties of Alloy 800HT
High-Temperature Performance
Alloy 800HT maintains superior mechanical strength and structural integrity at temperatures up to 1500°F (816°C). Its controlled carbon content and titanium/aluminum ratios ensure outstanding creep and stress rupture resistance.
Corrosion and Oxidation Resistance
This alloy offers excellent resistance to oxidation, carburization, and sulfidation, making it suitable for harsh chemical and petrochemical processing environments.
Industrial Applications
Alloy 800HT is extensively used in heat treatment fixtures, industrial furnace components, radiant tubes, and steam methane reforming systems. Its durability also makes it ideal for nuclear steam generators and thermal processing equipment.
Benefits of Using Alloy 800HT
Industries benefit from extended equipment lifespan, reduced maintenance costs, and enhanced operational safety. The alloy’s reliability under extreme conditions ensures uninterrupted production in critical processes.
Frequently Asked Questions
What distinguishes Alloy 800HT from other superalloys?
Alloy 800HT offers optimized high-temperature strength and oxidation resistance due to its carefully balanced chemical composition.
Can Alloy 800HT be welded?
Yes, it can be welded using common techniques, though post-weld heat treatment is recommended for optimal performance.
Conclusion and Next Steps
Alloy 800HT UNS N08811 is a versatile superalloy delivering unmatched performance in high-stress, high-temperature applications. For detailed technical specifications or to purchase high-quality Alloy 800HT UNS N08811, contact our experts today to discuss your project requirements.