Incoloy® · UNS N08810 / N08811

Alloy 800H/800HT Pipe & Fittings Supplier

Nickel-Iron-Chromium alloy for extreme high-temperature and creep-rupture service. Stocked and custom-fabricated at our Houston service center for fast, certified delivery nationwide.

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Why Alloy 800H/800HT

ALLOY 800H/800HT PIPE, FITTINGS & FLANGES

Outstanding creep and stress-rupture strength above 1100°F (600°C)

Excellent resistance to oxidation, carburization and nitriding at elevated temperature

Stable austenitic structure with controlled carbon and aluminum + titanium content

Nominally 30–35% nickel, 19–23% chromium, balance iron, with controlled aluminum and titanium (0.85–1.20% combined) for high-temperature stability.

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Where It’s Used

ALLOY 800H/800HT APPLICATIONS

Ethylene and steam-methane reformer piping

Petrochemical furnace and pigtail tubing

Heat-treating equipment and radiant tubes

Power-generation superheater and reheater headers

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Alloy 800H/800HT Pipe & Fittings — Where We Deliver

P.A. Inc. supplies Alloy 800H/800HT (UNS N08810 / N08811) to industrial operators across the country. Select your area for local availability, applications, and delivery details:

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