Alloy 800HT UNS N08811: Properties, Applications, and Performance Insights

Alloy 800HT UNS N08811 is a high-temperature, iron-nickel-chromium alloy known for its exceptional strength and resistance to oxidation and carburization. Its unique composition ensures reliability in extreme environments, making it a top choice for demanding industrial applications.

Key Mechanical and Physical Properties

This alloy offers outstanding tensile and creep rupture strength at temperatures up to 1500°F. Its low carbon content and titanium addition provide excellent stability, reducing susceptibility to intergranular corrosion. With good fabricability and weldability, Alloy 800HT UNS N08811 supports diverse manufacturing processes.

Industrial Applications and Use Cases

Commonly used in petrochemical, aerospace, and power generation sectors, this material excels in heat exchangers, furnace components, and nuclear reactor systems. Its performance in high-stress, corrosive settings ensures long service life and cost efficiency.

Frequently Asked Questions

What distinguishes Alloy 800HT from other high-temperature alloys?
Its optimized aluminum and titanium levels enhance oxidation resistance and mechanical strength under cyclic thermal conditions.

Can Alloy 800HT UNS N08811 be welded easily?
Yes, it exhibits good weldability using common techniques like TIG and MIG, with post-weld heat treatment recommended for critical applications.

For detailed specifications and material data, explore our comprehensive guide on Alloy 800HT UNS N08811.

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