Alloy 800HT UNS N08811: Properties, Applications, and Performance Guide
Alloy 800HT UNS N08811 is a nickel-iron-chromium superalloy known for its excellent high-temperature strength, oxidation resistance, and carburization resistance. This material is widely used in demanding industrial environments where thermal stability and corrosion resistance are critical. In this guide, we explore its key characteristics and practical uses.
Key Properties of Alloy 800HT
Alloy 800HT offers outstanding mechanical properties at elevated temperatures, including high creep and rupture strength. Its composition includes controlled amounts of titanium and aluminum, which enhance structural stability. Additionally, it maintains excellent resistance to oxidation up to 2200°F (1200°C), making it suitable for extreme conditions.
Industrial Applications
This alloy is commonly used in heat treatment equipment, furnace components, and petrochemical processing systems. Its ability to withstand corrosive atmospheres and thermal cycling makes it ideal for reformers, radiant tubes, and steam-methane reforming units.
Performance in High-Temperature Environments
Alloy 800HT demonstrates superior performance under prolonged exposure to high heat, retaining tensile strength and resisting deformation. It also minimizes sigma phase formation, which can compromise durability in other alloys.
Frequently Asked Questions
What distinguishes Alloy 800HT from other superalloys?
Alloy 800HT features optimized titanium and aluminum levels for enhanced high-temperature stability, outperforming standard alloys in creep resistance.
Can Alloy 800HT be welded?
Yes, it can be welded using compatible filler materials, though post-weld heat treatment is recommended for optimal properties.
For detailed specifications and material options, explore Alloy 800HT UNS N08811 to find solutions tailored to your needs.
Optimize Your Projects with Alloy 800HT
Whether upgrading industrial systems or designing high-temperature components, Alloy 800HT delivers reliability and longevity. Contact our experts today to discuss how this alloy can enhance your application’s performance.