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Specialty Products / Superalloys & Metals / Superalloys & High-Performance Alloys / INCOLOY 800H

Superalloys & High-Performance Alloys

INCOLOY 800H

IncoloyĀ® 800H is the higher-carbon version of Alloy 800 developed to improve creep and rupture strength in hot structural service. It is used where oxidation resistance and long-term mechanical stability are required in pressure and process equipment. EQI supplies Alloy 800H for code-driven elevated-temperature systems.

INCOLOYĀ® is a registered trademark of Special Metals Corporation.

  • UNS N08810
  • High-temperature variant of Alloy 800
  • Also known as: 800H

Request a Quote for INCOLOY 800H

To get started, request a quote using the form below and we will get back to you. Please note that the quantity needed to quote or supply a specific alloy grade is typically 500-1,000 lbs, depending on the material.

Key Properties

  • Improved creep strength over standard 800
  • Good oxidation and carburization resistance
  • Stable structure for long-term hot exposure
  • Common in reformers and petrochemical service
  • Good fabrication and weldability

Composition

Nickel 30-35
Chromium 19-23
Iron Balance
Carbon 0.05-0.10
Aluminum 0.15-0.6
Titanium 0.15-0.6

Applications

Common industries and end-use applications include Aerospace & Defense, Power Generation, and Thermal Processing & Heat Treating.

  • Steam superheater tubing
  • Headers and manifolds
  • Reformer and cracking furnace hardware
  • Heat exchangers
  • High-temperature pressure equipment

Request a Quote

Whether you're sourcing raw material or need a manufactured component produced from a specialty alloy, the EQI team can help.

Why Choose EQI

Your Single Source for Specialty Alloys and Precision Manufacturing

EQI combines specialty alloy sourcing with manufacturing expertise, allowing customers to move from raw material supply to finished components through a single partner.

Our team supports OEMs and manufacturers by sourcing difficult-to-procure alloys and producing components for demanding applications.

Key Advantages

  • Global sourcing and foundry partnerships
  • Expertise in high-temperature and high-performance alloys
  • Precision machining and finished component manufacturing
  • Reliable lead times and consistent quality
  • Inventory management and just-in-time delivery programs
  • Engineering support for complex alloy applications