Alloy 800HT Material

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Alloy 800HT N08811 1.4959 material

Alloy 800HT Pipe/Tube/Accessories

  • Grade:Alloy 800, 21.4959, N08811, X10NiCrAlTi 32-20
  • OD: 6mm-630mm, 1/4"-24"
  • WT: 0.7mm-30mm, Sch 10S-Sch XXS
  • Length: Fixed or random length as specified
  • Specifications: ASTM B163, B407, B408, B409, EN10028-7, EN10216-5
  • Delivery Condition: Annealed and Pickled, Birght Annealed, Mechanical Polished, Electric Polished
  • Mill Certificate: EN 10204 3.1, EN10204 3.2
  • Marking: Continuosly stenciled as specified.
  • Packing: In bundle or plywood cases with end caps
  • Manufacturing: Seamless, Welded


Incoloy 800 is widely used in equipment that must have high strength and resistance to oxidation, carburisation and other harmful effects of high temperature exposure. For service requiring optimum creep and rupture properties, Incoloy 800H or 800 HT are used. The high contents of nickel and chromium in the alloys also give good corrosion resistance..

Chemical Composition:

% Ni Cr Mo Fe Al+Ti C Si p Mn Al Cu S
Min 30 19 - 39.5 0.85 0.06 - - - 0.15 - -
Max 45 23 - - 1.2 0.1 1 - 1.5 0.6 0.75 0.015

Mechanical Property:

20°C Tensile Strength Yield Strength Elongation % Hardness Density
Min 450Mpa 170Mpa 30% - 7.94kg/dm3
Max - - - - 7.94kg/dm3


> Ethylene furnace quench boilers >Super-heater and re-heaters in power plants
>Hydrocarbon cracking >Chemical and petrochemical processing
>Industrial furnaces >Heat-treating equipment

Range of Products:

Plates / Sheets / Coil Heavy Plate
Cold Rolled Sheet
Hot Rolled Sheet
Fittings Seamless LR Elbow / Welded LR Elbow
Con Reducer / Ecc Reducer
Con Tee / Ecc Tee / Cross
Coupling / Cap
Flange Blind Plate Flanges
Lap Joint Flanges
Raised Face Blind Flanges
Raised Face Slip On Flanges
Raised Face Socket Weld Flanges
Raised Face Threaded Flanges
Raised Face Weld Neck Flanges
Slip On Plate Flanges
Blind Plate Flanges
Pipe / Tube Seamless Pipe
Welded Pipe
Seamless Tube
Welded Tube
Seamless U-Tube
Welded U-Tube
Square Tube
Rectangular Tube
Bar Round Bar
Square Bar
Flat Bar
Angel Bar
Hexagon Bar

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