Resistance to high temperature corrosion. Excellent oxidation and carburisation resistance. Reasonable sulphur resistance at moderate temperatures Alloy 800 and Alloy 800 H are very similar but they have lower creep rupture strength at temperature.
Basic Composition: Ni 30-35%, Cr 19-23%, Fe 39.5% Max,
Temperature Limits: 1100 ° C
International Standards: W No 1.4876, UNS N08811
Density: 7.945 g/cm³
Melting Range: 1357 to 1385 ° C
Specific Heat: 460 J/Kg ° C
Coefficient of Expansion: 14 rising to 18 x10-6 / ° C
Thermal Conductivity: 11 rising to 32 W/m ° C