Incoloy alloy 800

Incoloy alloy 800 - A Benchmark in High Temperature Applications

Incoloy alloy 800 is the result of maintaining the ultimate chemical properties for high-temperature strength and is resistant to oxidation and other kinds of high-temperature corrosion. These alloys have set the benchmark in high temperature applications that need flawless creep and rupture properties. It is used in applications like petrochemical furnace cracker tubes, furnace equipment and pigtails and headers. Incoloy alloy 800 suppliers and Incoloy alloy 800 manufacturers are found across the country.

Incoloy nickel-iron-chromium alloy 800 made its foray in the market in the 1950s to cater to the requirement for a heat and corrosion-resistant alloy with fairly low nickel content as nickel, back then, was a strategic metal. For decades now, it has been utilised for its strength at soaring temperatures and ability to resist carburization, oxidation and various other kinds of high-temperature corrosion.

Features of Incoloy alloy 800:

  • Very strong at high temperatures.
  • Resistant to corrosion in acidic environments.
  • Very good creep rupture strength.
  • Resistant to sulfur-containing atmospheres.


The various forms of Incoloy alloy 800 are covered by the following standards:

  • ASTM B564.
  • 1.4876


Applicable Standards ASTM B408, ASTM B564
Carbon % 0.1 Max
Silicon % 1.00 Max
Manganese % 1.50 Max
Sulphur % 0.015 Max
Chromium % 19.0-23.0
Molybdenum % -
Copper % -
Nickel % 30.0-35.0
Tungsten % -
Hardness (BHN) 180 BHN
Density 7.94
U.T.S.(N/MM2) 550 Mpa
Yeild Strength(Mpa) 240 Mpa
Elongation 30%
Reduction Area  
Impact (Room Temperature)  
Impact (0◦ C)  
Impact (- __◦ C)  

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