Alloy Wire International: Inconel Alloy 800HT

Incoloy 800 HT* W.NR: 1.4876 , UNS: N08811 , *Trade names of Special Metals Group of Companies.

This Nickel-Iron-Chromium alloy has good strength and excellent resistance to oxidation and carburization in high temperature atmospheres. It also resists corrosion in many aqueous environments. A stable, austenitic structure is maintained during exposure to high temperatures.

Approx Chemical Composition (%)

Ni
Fe
Cr
Mn

30-35
>39.5
19-23
<1.5

Density
(g/cm³)

7.94

Melting
Point (°C)

1385

Coefficient of Expansion

14.4 µ m/m °C At 20 - 100°C

Standards

ASTM B425
BS 3076 NA15H

Heat Treatments

Stress Relieve

450/470 °C - 30/60 mins A/C

Approx. Tensile

Annealed

600 - 800 N/mm²

Spring Temper

800 - 1100 N/mm²

Rigidity Modulus

78.94 kN/mm²

Youngs Modulus

196.5 kN/mm²

Approx.
Service Temperatures

-200 to +1100°C

For slightly stressed applications

Click here for standard available sizes and forms...

If any of the specifications do not fall within your requirements please enquire:
Tel: +44 (0)1384 566775 or e-mail us at:



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