Alloy 800HT UNS N08811 Overview

Alloy 800HT UNS N08811 is a nickel-iron-chromium superalloy known for its excellent high-temperature strength and oxidation resistance. This material is widely used in demanding industrial applications due to its stability and durability under extreme conditions.

High-Temperature Mechanical Properties

The alloy maintains superior creep and rupture properties at temperatures up to 1500°F (815°C). Its controlled carbon content and titanium/aluminum ratio enhance structural integrity, making it ideal for heat treatment furnaces and petrochemical processing equipment.

Corrosion and Oxidation Resistance

Alloy 800HT offers exceptional resistance to oxidation, carburization, and sulfidation. It performs reliably in corrosive environments, including those containing sulfur compounds and steam, ensuring long service life in chemical and power generation industries.

Common Applications of Alloy 800HT

This alloy is extensively utilized in heat exchangers, radiant tubes, and industrial heating systems. Its robustness also makes it suitable for nuclear reactors and aerospace components, where material reliability is critical.

Frequently Asked Questions

What distinguishes Alloy 800HT from other superalloys?

Alloy 800HT features optimized titanium and aluminum levels for enhanced high-temperature performance, setting it apart from standard nickel alloys.

Can Alloy 800HT be welded easily?

Yes, it exhibits good weldability using common techniques like TIG and MIG, though post-weld heat treatment may be necessary for specific applications.

Optimize Your Projects with Alloy 800HT

For premium Alloy 800HT UNS N08811 materials and technical support, visit our product page to explore specifications and request a quote. Enhance your engineering solutions with this high-performance superalloy today!