Incoloy 800H

UNS N08810 nickel_superalloy
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Fe-Ni-Cr alloy designed for high-temperature structural applications above 600 °C where resistance to creep and carburisation is required. Used in petrochemical furnace tubes and heat exchangers.

Applicable Standards

  • ASTM B407
  • ASTM B514
  • UNS N08810

Composition Ranges (wt %)

Element Min (%) Max (%) Typical Range
Fe 39.5 100.0 ~69.75
Ni 30.0 35.0 ~32.5
Cr 19.0 23.0 ~21.0
Al 0.15 0.6 ~0.38
Ti 0.15 0.6 ~0.38
C 0.05 0.1 ~0.08
Fe 39.5–100.0% Ni 30.0–35.0% Cr 19.0–23.0% Al 0.15–0.6% Ti 0.15–0.6% C 0.05–0.1%

Typical Applications

  • Furnace tubes
  • Heat exchangers
  • Petrochemical cracking
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