Alloy 800HT UNS N08811: Properties, Applications, and Performance Guide
Alloy 800HT, designated as UNS N08811, is a high-temperature, nickel-iron-chromium alloy renowned for its exceptional strength and oxidation resistance. This advanced material is stabilized with titanium and aluminum, ensuring microstructural stability under extreme conditions.
Key Properties and Characteristics
Alloy 800HT offers outstanding creep rupture strength and excellent carburization resistance, making it ideal for high-stress applications. Its composition includes approximately 33% nickel, 21% chromium, and balanced iron, providing superior performance in temperatures up to 1500°F.
Industrial Applications
Commonly used in petrochemical, aerospace, and power generation sectors, Alloy 800HT UNS N08811 is ideal for heat exchangers, furnace components, and turbine parts. Its reliability in corrosive environments makes it a preferred choice for critical engineering projects.
Performance Advantages
This alloy maintains mechanical integrity under cyclic thermal conditions, reducing failure risks. Its weldability and formability further enhance its usability across manufacturing processes.
Frequently Asked Questions
What distinguishes Alloy 800HT from other alloys?
Its optimized titanium and carbon content provides enhanced stability and strength compared to standard nickel alloys.
Can it withstand sulfidation environments?
Yes, it performs well in sulfur-containing atmospheres, though specific conditions should be evaluated.
Explore how Alloy 800HT UNS N08811 can elevate your project’s performance and durability—request a technical consultation or material sample today!