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Incoloy 800HT, certified and in stock.

UNS N08811 — The strongest creep variant of the 800 series — reformer industry standard.

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EN 10204 3.1 MTC 24h quote SLA
170 MPaMin. yield
450 MPa (creep-optimized)Min. tensile
1100 °CMax service
N08811UNS
Incoloy 800HT Incoloy alloy — TrueGrade Metals
UNS N08811
Material data

Incoloy 800HT — properties at a glance.

Nominal published values, annealed condition. Certified heat lots ship with actual MTC values.

PropertyValue
UNS numberN08811
FamilyIncoloy
Nominal chemistry800H base · Al+Ti 0.85–1.2%
Min. yield strength170 MPa
Min. tensile strength450 MPa (creep-optimized)
Max service temperature1100 °C
Density8.02 g/cm³
Characteristics

What Incoloy 800HT does best.

Applications

Where Incoloy 800HT works.

Steam-methane reformer tubes

High-temperature headers & manifolds

Availability

Forms we supply in Incoloy 800HT.

All forms consolidated into one PO with matching heats and one MTC package.

Pipes & TubesPipes & TubesSheets & PlatesBars & Rods
Related grades
Incoloy 800Incoloy 800HIncoloy 803Incoloy 825Incoloy 832Incoloy 864
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Form, dimensions, quantity, standard — that is all we need. A named metallurgist replies with pricing, lead time and MTC sample.

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