Incoloy 800H/N08810 Alloy and Incoloy 800HT/N08811 Alloy are nickel-iron-chromium alloys with high resistance to corrosion and oxidation. They possess excellent mechanical properties and are hard to deform under high temperature and pressure. Incoloy 800H is a variant of Incoloy 800 with higher carbon content, providing improved high-temperature strength and corrosion resistance. Incoloy 800HT is a variation of Incoloy 800 with increased carbon and aluminum contents, also optimized for high-temperature strength.

 

Chemical Composition:

 

Incoloy 800H/N08810 Alloy and Incoloy 800HT/N08811 Alloy are composed of nickel, iron, chromium, carbon, aluminum, and other elements. The chemical compositions are listed below:

 

Incoloy 800H/N08810 Alloy: Ni 30-35%, Fe 39.5%, Cr 19-23%, Cu 0.75%, Ti 0.15-0.6%, Al 0.15-0.6%, C 0.05-0.1%, Mn 1.5%, S 0.015%, Si 1%.

 

Incoloy 800HT/N08811 Alloy: Ni 30-35%, Fe 39.5%, Cr 19-23%, Cu 0.75%, Ti 0.25-0.6%, Al 0.85-1.2%, C 0.06-0.1%, Mn 1.5%, S 0.015%, Si 1%.

 

Mechanical Properties:

 

Incoloy 800H/N08810 Alloy and Incoloy 800HT/N08811 Alloy possess excellent mechanical properties like high strength, toughness, and ductility. The mechanical properties are listed in the table below:

 

Properties Incoloy 800H/N08810 Alloy Incoloy 800HT/N08811 Alloy

Tensile Strength (ksi) 75 80

Yield Strength (ksi) 30 35

Elongation (%) 30 25

 

Heat Treatment:

 

Incoloy 800H/N08810 Alloy and Incoloy 800HT/N08811 Alloy can be heat-treated at high temperatures for improved workability and toughness. The heat treatment involves heating to a temperature range of 1500-1800°F and cooling in water or air.

 

Size Range:

 

Incoloy 800H/N08810 Alloy and Incoloy 800HT/N08811 Alloy seamless and welded tubes are available in a range of sizes, with specific dimensions customized to meet individual requirements. The size range is:

 

Seamless Tubes: OD 1/4" to 4"; wall thickness up to 0.125"

Welded Tubes: OD 1/4" to 12"; wall thickness up to 0.5"

 

Applications:

 

Incoloy 800H/N08810 Alloy and Incoloy 800HT/N08811 Alloy are widely used in various applications, including heat exchangers, chemical processing, petrochemicals, power generation, and aerospace. They are also used in the production of equipment for heating furnace components, heat treating equipment, and industrial equipment for handling chemicals.

 

TJC Steel Supply Case:

 

TJC Steel is a leading supplier of Incoloy 800H/N08810 Alloy and Incoloy 800HT/N08811 Alloy seamless and welded tubes. TJC Steel provides customized size ranges and dimensions to meet individual, customer-specific requirements. TJC Steel provides superior quality control measures and strict inspection standards to ensure the highest standards of quality.