The Incoloy 800 is a nickel-iron-chromium alloy that exhibits various characteristics and demonstrates its use in a wide variety of applications. This alloy is able to hold the austenitic structure in place. This nickel steel alloy has a high carbon level of 800 H and consists of 1.20 percent aluminium as well as added titanium. The Incoloy 800 is the first alloy, as the Incoloy 800H is slightly changed. In order to improve stress rupture character, the adjustment was done to control the carbon as well as the grain size.
This alloy’s nickel makes it extremely resistant to cracking chloride stress corrosion as well as precipitation fragility.
This alloy demonstrates superior creep as well as stress rupture properties in an annealed state. If we speak about the Incoloy 800’s uses, then it is used in an application where temperatures up to 1100 degrees F are available. The chemical balance makes it possible to demonstrate excellent resistance to oxidation, carburization and nitriding atmosphere in the nickel steel alloy. Even after the large duration of use in the 1200 to 1600 degree F where different stainless steel is embrittled, the Incoloy 800HT Rod is not embrittled.
Types of Incoloy 800 bars
The Incoloy 800 bars are available in different shapes, some of which are the hex, circle, rectangular, rectangle, and rolling round bar. The finishing is given to these bars as bright polishes, rough turns, matt finishes and BA finishes.
Mechanical characteristics
Over a wide temperature range, the Incoloy 800 alloy has strong mechanical strength. The facilities in which they are used are built on the basis of tensile properties. At room temperature, this alloy exhibits greater tensile strength. This alloy also demonstrates high strength of impact as well as remains difficult at cryogenic temperatures. This alloy’s compressive yield strength is similar to tensile yield strength.
What are the characteristics of the Incoloy 800 round bars?
- High strength of creep rupture
- High-temperature power
- Excellent resistance in the acidic environment to corrosion
- Outstanding resistance to atmospheres containing sulphur
- Carburization tolerance as well as oxidation in the atmosphere at high temperatures.
What are the applications where bars of Incoloy 800 are used?
- Ethylene boiler quenching furnace
- Commercial furnaces
- Valves, fittings and apparatus that are prone to corrosive attack
- Heat treatment facilities
- Cracking of hydrocarbons
- Vessels under pressure
- A mega heater in power plants as well as a re heater
- Chemical as well as petrochemical manufacturing
In an application that requires exposure to the corrosive atmosphere as well as elevated temperatures such as the paper pulp industry and nuclear power plants, these alloys are commonly used. For the piping system as well as heat exchangers in nitric acid media, both petrochemicals and chemical processing industries use this alloy mostly where resistance to chloride stress corrosion is necessary. These alloys are used by the power plant as re-heater tubing as well as super heater tubing.