Alloy 800HT Pipes
Alloy 800HT Strips
Alloy 800HT Plates
Alloy 800HT Bars
About Alloy 800HT
What is Alloy 800HT?
Alloy 800HT also referred to as the UNS N08811/W.Nr. 1.4959 alloy.
Alloy 800HT is an iron-nickel-chromium alloy having the same basic composition as alloy 800, with significantly higher creep rupture strength.
Alloy 800HT has a restricted chemistry, within the limits of alloy 800H, and requires a heat treatment of 2100°F (1149°C) minimum. The carbon is 0.06 to 0.10% (alloy 800H is 0.05 to 0.10%), the Al + Ti is 0.85 to 1.20% (alloy 800H is 0.30 to 1.20% Al + Ti).
Alloys 800H and 800HT are available in all standard mill forms including rod, bar, plate, sheet, strip, shapes, and tubular products.
Alloy 800HT Standards
-Seamless Pipe & Tube
-Welded Pipe & Tube
-Rod & Bar
-Plate, Sheet, Strip & Foil
Alloy 800HT Chemical Composition
Alloy 800HT Data Sheet
Alloy 800HT Equivalent Grades
Alloy 800HT Mechanical Properties
|Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|7.94 g/cm3||1385 °C (2525 °F)||250-550Mpa||90-150Mpa||45% – 15%|
Alloy 800HT Physical Properties
|Melting Range||Specific Heat, 20°C (J/(g.K))||Magnetic Permeability (20°C)||Thermal Conductivity, 20°C (W/(m.K))||Curie Temperature (°C)|
|1385 °C (2525 °F)||460||＜1.009||11.5||-115|
Alloy 800HT Applications
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