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

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 and oxidation resistance. It is widely used in demanding industrial applications where reliability at elevated temperatures is critical.

Key Properties of Alloy 800HT

This alloy offers outstanding creep rupture strength and structural stability up to 1500°F. Its composition includes controlled amounts of titanium and aluminum, which enhance its performance in corrosive environments.

Industrial Applications

Common uses include heat treatment equipment, nuclear reactors, and thermal processing components. Its durability makes it ideal for furnace parts and petrochemical processing systems.

Performance Advantages

Compared to standard alloys, Alloy 800HT maintains superior mechanical properties under prolonged thermal exposure. This makes it cost-effective for long-term high-temperature operations.

Frequently Asked Questions

What makes Alloy 800HT different from other nickel alloys?

Its optimized titanium/aluminum ratio provides enhanced creep strength and microstructural stability.

Can it withstand sulfur-containing atmospheres?

Yes, it demonstrates good resistance to sulfidation and carburization in various industrial environments.

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