Incoloy 800HT alloy products
Material Family / Incoloy

Incoloy 800HT

Fine-grain variant of 800H with optimized high-temperature ductility for forming operations.

Introduction

§01General

Incoloy 800HT combines the controlled chemistry of 800H with a fine-grain structure optimized for forming and fabrication. It offers excellent ductility during forming operations while maintaining the high-temperature strength and corrosion resistance of the 800 family.

ASTM B163ASTM B407ASME SB-163NACE MR0175

Quick Facts

UNS
N08811
Density
7.94 g/cm³
Max Service Temp
1100°C
Series
Incoloy

Available Product Forms

§02Forms
ForgingWireFlangeBar & RodPlate & SheetStripPipe & Tube

Key Characteristics

§03Features
Optimized for hot forming
Fine-grain structure
ASME pressure vessel qualified
Good high-temperature ductility
Retains 800 family corrosion resistance

Typical Uses

§04Applications
Hot-formed pressure vessel heads
Heat exchanger tube sheets
Forged flanges and fittings
Petrochemical reformer tubes
Furnace radiant sections

Frequently Asked Questions

Incoloy 800HT FAQ

What is Incoloy 800HT used for?

Incoloy 800HT is a Incoloy alloy used in Hot-formed pressure vessel heads and Heat exchanger tube sheets. It offers Optimized for hot forming and Fine-grain structure.

What is the chemical composition of Incoloy 800HT?

Incoloy 800HT is a controlled-composition Incoloy alloy supplied to ASTM B163 and ASTM B407. Contact us for full mill test certificate with heat-specific chemistry.

What forms is Incoloy 800HT available in?

Incoloy 800HT is regularly supplied in Forging, Wire, Flange, Bar & Rod, Plate & Sheet, Strip, Pipe & Tube. Custom forms and dimensions available on request.

What is the maximum service temperature of Incoloy 800HT?

Incoloy 800HT is rated for service up to 1100°C. Contact our metallurgy team for specific application recommendations.

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