Characteristics.
- It is known by other common names: Alloy 800, Alloy 800H / HT, Incoloy 800, 800H or 800HT.
- Alloy nickel, iron and chromium.
- Great strength at high temperature.
- Excellent resistance to oxidation and carburization at high temperatures.
- Good strength at break sliding.
- These alloy steels are identical except for the high carbon content in the alloy 800H and adding 1.2% aluminum and titanium alloy 800HT.
- Resistant to stress cracking corrosion.
- Good resistance in atmospheres containing sulfur.
- Can be used in chemical and petrochemical processing, boilers, hydrocarbon cracking, industrial furnaces, nuclear power plants, pulp and paper, heat treatment equipment, pressure vessels, heat exchangers, etc.
Shape or Presentation
- Plate
- Bar
- Tube
- Tubing
- Connections
- Wire
Alloy 800 (UNS N08800) Chemical Composition, %
- Ni
- Cr
- Fe
- C
- Al
- Ti
- Al+Ti
- 30.0 – 35.0
- 19.0 – 23.0
- 39.5 min
- 0.10 max
- 0.15 – 0.60
- 0.15 – 0.60
- 0.30 – 1.20
Alloy 800HT (UNS N08811) Chemical Composition, %
- Ni
- Cr
- Fe
- C
- Al
- Ti
- Al+Ti
- 30.0 – 35.0
- 19.0 – 23.0
- 39.5 min
- 0.06 – 0.10
- 0.25 – 0.60
- 0.25 – 0.60
- 0.85 – 1.2
Alloy 800H (UNS N08810) Chemical Composition, %
- Ni
- Cr
- Fe
- C
- Al
- Ti
- Al+Ti
- 30.0 – 35.0
- 19.0 – 23.0
- 39.5 min
- 0.05 – 0.10
- 0.15 – 0.60
- 0.15 – 0.60
- 0.30 – 1.20
* Incoloy is a registered trademark of Special Metals Corporation group.