Alloy 800H UNS N08810 Overview
Alloy 800H UNS N08810 is a nickel-iron-chromium alloy known for its excellent high-temperature strength and resistance to oxidation and carburization. This material is widely used in industries requiring durability under extreme conditions.
High-Temperature Mechanical Properties
Alloy 800H offers superior creep and rupture strength at elevated temperatures up to 1500°F (815°C). Its controlled carbon content and grain structure ensure long-term stability in thermal processing applications.
Applications of Alloy 800H UNS N08810
Common uses include heat treatment fixtures, industrial furnace components, and petrochemical processing equipment. Its corrosion resistance makes it ideal for sulfuric acid environments and nuclear reactor systems.
Industrial Use Cases
This alloy serves critical roles in reformer tubes, radiant tubes, and ethylene furnace systems where thermal cycling resistance is paramount.
Benefits and Advantages
Key benefits include outstanding oxidation resistance up to 2100°F (1150°C), excellent fabricability, and proven performance in corrosive atmospheres. These characteristics translate to extended service life and reduced maintenance costs.
Cost-Effectiveness Analysis
While initial costs may be higher than standard alloys, Alloy 800H’s durability results in lower lifetime costs through reduced downtime and replacement frequency.
Frequently Asked Questions
What distinguishes Alloy 800H from standard 800 alloy?
The “H” variant features controlled carbon content and annealing treatment for enhanced high-temperature properties.
Can Alloy 800H be welded effectively?
Yes, it demonstrates good weldability using matching filler metals and proper procedures.
Technical Specifications
For detailed material certificates and technical data, visit our Alloy 800H UNS N08810 product page. Our experts can provide comprehensive material selection guidance.
Material Composition Details
Typical composition includes 30-35% nickel, 19-23% chromium, and balanced iron with titanium and aluminum additions for stability.
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