Alloy 800H UNS N08810: Properties, Applications, and Performance Guide
Alloy 800H UNS N08810 Overview
Alloy 800H UNS N08810 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 strength at elevated temperatures up to 1500°F (815°C), making it ideal for heat treatment fixtures and furnace components. Its controlled carbon content enhances structural integrity over prolonged exposure.
Corrosion Resistance in Harsh Environments
Alloy 800H UNS N08810 resists oxidation, carburization, and sulfidation, performing reliably in chemical processing, petrochemical, and power generation industries. It withstands corrosive media like acids and chloride solutions effectively.
Common Applications of Alloy 800H
This alloy is commonly found in heat exchangers, radiant tubes, and reformer assemblies. Its versatility extends to nuclear systems and thermal processing equipment, where reliability is critical.
Performance in Industrial Settings
Users report extended service life and reduced maintenance costs when implementing Alloy 800H UNS N08810 in high-stress operations. Its weldability and fabrication ease further support widespread adoption.
Frequently Asked Questions
What distinguishes Alloy 800H from other grades?
Alloy 800H UNS N08810 features higher creep rupture strength due to its controlled carbon levels and annealing treatment, setting it apart from standard Alloy 800.
Can it be used in sulfuric acid environments?
Yes, it offers good resistance to sulfuric acid, though performance depends on concentration and temperature. Always consult corrosion charts for specific conditions.
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