Need piping solutions that withstand extreme heat, pressure, and long-term thermal exposure without compromising strength? Incoloy 800HT Pipes are specifically engineered for high-temperature applications where creep resistance and oxidation stability are critical. Across power generation, petrochemical, and thermal processing industries, buyers rely on Incoloy 800HT Pipes for consistent performance, extended service life, and global standards compliance.
Why Buyers Prefer Incoloy 800HT Pipes
Buyers choose Incoloy 800HT pipes because they offer enhanced high-temperature strength compared to standard Alloy 800 and 800H grades. This alloy features controlled carbon, aluminum, and titanium content, which significantly improves creep and rupture resistance at elevated temperatures.
As operating temperatures rise and systems run continuously, buyers demand piping that maintains structural integrity without deformation. Alloy 800HT pipes meet this demand while reducing maintenance cycles and unplanned shutdowns.
Key benefits that drive buyer preference include:
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Superior creep and rupture strength for long-term high-temperature service
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Excellent resistance to oxidation, carburization, and nitridation
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Stable microstructure, preventing embrittlement during prolonged exposure
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High mechanical integrity under thermal cycling
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Easy fabrication and weldability, supporting efficient installation
Consequently, Incoloy 800HT seamless and welded pipes deliver predictable performance in the most demanding thermal environments.
Technical Specifications of Incoloy 800HT Pipes
Accurate technical data is essential for engineers and procurement teams when selecting high-temperature piping solutions.
Chemical Composition (%)
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Nickel (Ni): 30.0 – 35.0
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Chromium (Cr): 19.0 – 23.0
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Iron (Fe): Balance
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Carbon (C): 0.06 – 0.10
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Aluminum (Al): 0.15 – 0.60
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Titanium (Ti): 0.15 – 0.60
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Manganese (Mn): 1.5 max
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Silicon (Si): 1.0 max
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Sulfur (S): 0.015 max
The controlled carbon range differentiates 800HT from other grades, enhancing high-temperature mechanical properties.
Mechanical Properties
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Tensile Strength: 450 MPa min
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Yield Strength (0.2% Offset): 170 MPa min
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Elongation: 30% min
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Hardness: Max 85 HRB
These properties ensure long-term reliability under continuous thermal stress.
Available Forms
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Seamless pipes
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Welded pipes
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ERW pipes
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Heavy-wall and high-temperature service pipes
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Custom sizes, schedules, and lengths
Applications
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Furnace tubes and radiant heaters
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Petrochemical cracking units
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Power plant superheaters and reheaters
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Heat exchangers and thermal processing systems
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Ethylene production and reforming units
International Standards Compliance
To support global projects, Incoloy 800HT pipes are supplied in accordance with recognized international standards:
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UNS: N08811
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ASTM: ASTM B407, ASTM B514
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ASME: ASME SB-407, ASME SB-514
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DIN / EN: DIN 1.4958, EN 1.4958 (X10NiCrAlTi32-21)
Compliance with these standards ensures consistency, traceability, and engineering acceptance worldwide.
Regional Supply Focus
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India – Used extensively in power plants, refineries, and fertilizer units
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Germany – Preferred for high-temperature chemical and thermal processing
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UK – Strong demand from energy, industrial heating, and petrochemical sectors
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UAE – Widely specified for oil & gas, power generation, and industrial projects
Why Partner with Adinox Overseas
Choosing the right supplier significantly impacts project timelines and operational reliability. Adinox Overseas delivers value-driven solutions tailored to buyer needs across global markets.
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Mill Test Certificates (MTCs) as per EN 10204 3.1
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Flexible MOQs to support project-based and bulk requirements
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Reliable global logistics with export-compliant packaging
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Technical support for grade selection and standards compliance
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Customized documentation and delivery coordination
By partnering with Adinox Overseas, buyers gain confidence in quality, consistency, and long-term supply assurance.
Contact Adinox Overseas for Incoloy 800HT Pipe Solutions
If your application requires piping that withstands extreme temperatures while maintaining mechanical integrity, reach out to Adinox Overseas today. Our team is ready to support your technical specifications and commercial requirements with efficiency and expertise.
Corporate Office
508, 5th Floor, Jolly Bhavan Number 1,
10 New Marine Lines, Mumbai 400020, Maharashtra (India)
???? +91-9920349000 | +91-9930249000
✉️ [email protected]
Partner with Adinox Overseas for reliable Incoloy 800HT piping solutions that protect performance, extend service life, and strengthen your projects.