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Incoloy 800HT (UNS N08811) Seamless Pipe

Made to order

Incoloy 800HT (UNS N08811) Seamless Pipe is manufactured in Junda's High-nickel alloy & superalloy seamless pipe range. Send the required size, standard and inspection scope for a technical quotation.

All products are made to order. Length, outside diameter, wall thickness and profile dimensions are customized to your drawing. Send the required dimensions and tolerances for manufacturing review.

Material designation
N08811 / Incoloy 800HT / 1.4959
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Technical specifications

Made to order
Product
Incoloy 800HT (UNS N08811) Seamless Pipe
Material designation
N08811 / Incoloy 800HT / 1.4959
Dimensions
Custom outside diameter × wall thickness × length; tolerances agreed for each order.
Schematic · Ø outside diameter · t wall · L length

Chemical composition (mass %)

ElementComposition
Ni30–35
Cr19–23
FeBalance
C0.05–0.10
Mn≤1.5
Si≤1.0
Cu≤0.75
S≤0.015
Al0.15–0.60
Ti0.15–0.60

Published material properties

Density8.0 g/cm³
Melting range1350–1400 °C

Mechanical properties

PropertyAnnealed
Rm (MPa)≥ 500
Rp0.2 (MPa)≥ 210
A5 (%)≥ 35

Material reference data are published room-temperature minima. Rm: tensile strength; Rp0.2: proof strength; A5: elongation. Final acceptance depends on the agreed product standard, material condition and inspection certificate.

Grade and standards

Grade
Incoloy 800HT
UNS
N08811
Typical ASTM / ASME
ASTM B163 · ASTM B167 · ASTM B407 · ASTM B444 · ASTM B622 · ASTM B729 · EN 10216-5 (nickel alloy review) · DIN 17458 (legacy reference review) · ASME SB163 · ASME SB407 · ASME SB444 · ASME SB622 · ASME SB729 · NACE MR0175 / ISO 15156 (sour service review)
Typical applications
Chemical and petrochemical processing · Heat exchangers and condensers · Power generation · Aerospace and gas turbines

Sour-service enquiries are reviewed against NACE MR0175 / ISO 15156 for the specific grade, hardness and environment. EN, DIN, GB and JIS equivalents are confirmed against the project specification on request.

Need a project-specific review?

Send the material designation, required dimensions, quantity, destination, target delivery date and inspection requirements so the Junda team can review the request.

Request a technical quoteRFQ worksheet (English · TXT)

Information to include in your enquiry

  1. Material grade or product family
  2. Custom outside diameter × wall thickness × length; tolerances agreed for each order.
  3. Quantity and target delivery location
  4. Applicable standard and inspection requirements
  5. Target delivery date and project notes

Continue your research

What is confirmed for Incoloy 800HT (UNS N08811) Seamless Pipe?


This page summarises the grade, typical standards and product form. The quotation confirms the exact dimensions, heat treatment, test programme and documents.

Where does Incoloy 800HT (UNS N08811) Seamless Pipe sit in the catalogue?

Incoloy 800HT (UNS N08811) Seamless Pipe is manufactured in the High-nickel alloy & superalloy seamless pipe group. The page shows the grade designation, typical standards, product form and the technical documents available with the order.

Are dimensions, MOQ and lead time published here?

Dimensions, tolerances, lengths, supply condition, inspection documents, minimum order quantity and lead time are confirmed in the quotation. The company range φ6–φ630 mm by 0.2–80 mm is a manufacturing range, not a stock list for this grade.

What should I include in a pipe enquiry?

Email sales@jundapipe.com or use the contact form. Include the material grade or product family, outside diameter × wall thickness × length, quantity and destination, the applicable standard and inspection requirements, and a target delivery date if you have one. Phone is optional. Dimensions, minimum order quantity and lead time are confirmed in the quotation.