Incoloy 825, also known as N08825, is a nickel-iron-chromium alloy that combines the corrosion resistance of nickel with the mechanical properties of steel. It is widely used in various industrial applications that require high resistance to corrosion, particularly in marine environments and chemical processing industries. This article delves into the chemical composition, mechanical properties, heat treatment states, size ranges, primary application scenarios, and relevant supply cases from TJC Steel.

Chemical Composition

The chemical composition of Incoloy 825 ensures its excellent corrosion resistance and mechanical properties. It primarily consists of nickel, iron, and chromium, with additions of molybdenum, copper, and titanium. The specific composition ranges are typically as follows:

 Nickel: 38.0-46.0%

 Iron: 40.0-55.0%

 Chromium: 19.5-23.5%

 Molybdenum: 2.5-3.5%

 Copper: 1.5-3.0%

 Titanium: 0.4-1.0%

Mechanical Properties

Incoloy 825 exhibits high strength and ductility, making it suitable for demanding mechanical applications. Its mechanical properties can vary depending on the heat treatment state and processing conditions. Typical mechanical properties include:

 Tensile Strength: ≥690 MPa

 Yield Strength: ≥275 MPa

 Elongation: ≥40%

Heat Treatment States

Incoloy 825 alloy can be heat-treated in various states to achieve desired mechanical properties and corrosion resistance. Common heat treatment states include annealing, solution annealing, and aging. These heat treatments help control the microstructure and improve the alloy's resistance to corrosion and mechanical fatigue.

Size Ranges

TJC Steel offers Incoloy 825 alloy in a wide range of sizes to cater to different industrial requirements. Seamless and welded tubes are available in diameters ranging from a few millimeters to several inches, with wall thicknesses to suit various applications. Customized sizes are also available upon request.

Primary Application Scenarios

Incoloy 825's excellent corrosion resistance, high strength, and ductility make it ideal for use in harsh environments. It is widely used in the following scenarios:

 Marine equipment: due to its resistance to seawater corrosion.

 Chemical processing industries: for handling corrosive chemicals.

 Oil and gas exploration: in downhole equipment and pipelines.

 Power generation: in heat exchangers and boilers.

TJC Steel Supply Cases

TJC Steel has extensive experience supplying Incoloy 825 alloy seamless and welded tubes to various industries. Some notable supply cases include:

 A leading oil and gas company required Incoloy 825 welded tubes for their offshore pipelines. TJC Steel provided high-quality tubes that met the strict corrosion resistance requirements of the marine environment.

 A chemical processing plant chose Incoloy 825 seamless tubes for their corrosive waste treatment system. TJC Steel delivered tubes with precise dimensions and excellent mechanical properties, ensuring reliable operation under harsh conditions.

Conclusion

Incoloy 825 alloy, with its exceptional corrosion resistance and mechanical properties, finds widespread applications in industries that demand durability and reliability. TJC Steel's extensive supply experience and capabilities in customizing tubes to meet specific application requirements make it a reliable partner for Incoloy 825 alloy tubing needs.