Incoloy 800H (Alloy 800H, UNS N08810) Wire Description
Incoloy alloy is a range of superalloys produced by Special Metals Corporation. They are nickel-iron-chromium alloys that are used for applications that require high corrosion resistance and high-temperature strength. Incoloy alloys are quite similar to Inconel alloys but their different composition makes some distinctions in their applications.
Incoloy 800H is an iron-nickel-chromium alloy having the same basic composition as Incoloy 800, with significantly higher creep-rupture strength. The higher strength results from close control of carbon, aluminum, and titanium contents in conjunction with a high-temperature anneal. The 800H modification was to control carbon (0.05 to 0.10%) and grain size (>ASTM 5) to optimize stress rupture properties. Incoloy 800H has further modifications to the combined titanium and aluminum levels (0.85 to 1.2%) to ensure optimum high-temperature properties. The alloy is dual-certified and combines the properties of both forms.
Other trade names: Alloy 800H, UNS N08810, Ferrochronin 800H, Nickelvac 800H, Nicrofer 3220, Werkstoff Nr. 1.4876

Incoloy 800H (Alloy 800H, UNS N08810) Wire Specifications
Metal Type: UNS N08810
Wire: ASTM B408, AMS 5766, ISO 9723, ISO 9724, BS 3076NA15, BS 3075NA15, EN 10095, VdTüV 412 & 434
Weld Wire: AWS A5.11 ENiCrFe-2, AWS A5.14 ERNiCr-3
Chemical Composition, %
|
Ni |
Cr |
Fe |
C |
Al |
Ti |
Al+Ti |
Min |
30 |
19 |
39.5 |
0.05 |
0.15 |
0.15 |
0.3 |
Max |
35 |
23 |
|
0.1 |
0.6 |
0.6 |
1.2 |
Incoloy 800H (Alloy 800H, UNS N08810) Wire Applications
Utilized in heat-treating furnaces and components due to its enhanced high-temperature strength.
- Petrochemical Processing:
Ideal for use in petrochemical processing units where resistance to corrosive environments at elevated temperatures is crucial.
Employed in industrial furnace components, providing reliability and stability in high-temperature settings.
Applied in power generation facilities for their ability to withstand demanding conditions in high-temperature environments.
Incoloy 800H (Alloy 800H, UNS N08810) Wire Packing
Our Incoloy 800H materials are carefully handled during storage and transportation to preserve the quality of our product in its original condition.
Frequently Asked Questions ( FAQs)
How does Incoloy 800H differ from Incoloy 800?
Incoloy 800H is a high-carbon version of Incoloy 800, with modifications to its carbon content and heat treatment to provide better creep-rupture strength at higher temperatures. This makes Incoloy 800H suitable for more demanding high-temperature applications.
What are the typical forms of Incoloy 800H available?
Incoloy 800H is available in forms such as plates, sheets, bars, pipes, and tubes for use in industrial applications requiring high-temperature stability.
Is Incoloy 800H weldable?
Yes, Incoloy 800H has good weldability and can be welded using standard techniques such as TIG and MIG welding, with appropriate filler materials if needed to maintain strength and corrosion resistance.