Alloy 800HT UNS N08811: Properties, Applications, and Performance Guide
Alloy 800HT UNS N08811 is a nickel-iron-chromium superalloy with excellent high-temperature strength and oxidation resistance. This material is stabilized with titanium and aluminum, offering superior creep rupture properties. It’s widely used in demanding industrial environments where thermal stability and corrosion resistance are critical.
Key Properties of Alloy 800HT
Alloy 800HT UNS N08811 demonstrates outstanding mechanical and chemical characteristics. It maintains high tensile and creep strength at elevated temperatures up to 1500°F. Its composition ensures resistance to oxidation, carburization, and sulfidation, making it suitable for aggressive atmospheres.
Industrial Applications
Common uses include heat treatment fixtures, radiant tubes, and industrial furnace components. The alloy also serves in petrochemical processing, nuclear reactors, and power generation systems due to its durability under stress and high temperatures.
Performance in Extreme Conditions
Alloy 800HT performs reliably in cyclic heating and thermal shock scenarios. Its low carbon content minimizes sensitization, while the balanced composition ensures long-term structural integrity. For detailed material data, refer to Alloy 800HT UNS N08811 specifications.
Frequently Asked Questions
What distinguishes Alloy 800HT from other superalloys?
Its optimized titanium/aluminum ratio enhances stability and creep rupture life, outperforming standard alloys in high-temperature mechanical properties.
Can Alloy 800HT be welded or machined?
Yes, it is weldable using compatible filler metals and can be machined with standard techniques, though its work-hardening tendency requires careful tool selection.
Optimize Your Projects with Alloy 800HT
Leverage the superior properties of this alloy for high-temperature applications. Ensure optimal performance by sourcing quality material and following industry best practices.
Ready to enhance your equipment’s durability? Consult experts and access certified Alloy 800HT UNS N08811 for your next project to achieve reliable, long-lasting results.