ThePipingMart Blog Grades Inconel 182 Welding Electrode – Composition, Properties, and Uses

Inconel 182 Welding Electrode – Composition, Properties, and Uses

Inconel 182

Inconel 182 is a nickel-chromium alloy often used in high-temperature applications such as gas turbines, petrochemical processing, and nuclear reactors. This superalloy exhibits excellent mechanical properties, good oxidation resistance, and high creep strength. This blog post will examine every aspect of Inconel 182, including its composition, physical properties, mechanical properties, uses, hardness, and heat treatment.

Inconel 182 Composition

Inconel 182 is composed of nickel, chromium, and iron as its base elements, and in addition to these elements, it also contains molybdenum, silicon, and other trace metals. The specific composition is as follows:

  • Nickel: 57.5%
  • Chromium: 18%
  • Iron: 18%
  • Molybdenum: 5%
  • Silicon: 1.2%

Inconel 182 Physical Properties

Inconel 182 has a high melting point of 1390°C (2534°F) and a density of 8.19 g/cm³. At room temperature, it appears silver-grey and is known to have good resistance to oxidation. Inconel 182 also has excellent thermal conductivity at high temperatures.

Inconel 182 Mechanical Properties

Inconel 182 exhibits excellent mechanical properties even at high temperatures. It has a high tensile strength of 960 MPa and yield strength of 690 MPa. It also boasts high creep-rupture strength, making it an ideal material for high-temperature applications.

Tipo Value
Tensile Strength (N/mm2) > 550
A5% >30

Inconel 182 Uses

Inconel 182 is commonly used in applications requiring high-temperature resistance, such as gas turbine components, aerospace parts, and nuclear reactors. It is also used in industries such as chemical processing, where it is suitable as a material for reactors, heat exchangers, and pipes.

Inconel 182 Hardness

Inconel 182 has a hardness range of 150-200 Vickers, depending on the heat treatment applied. This range of hardness is important in allowing Inconel 182 to be easily machinable.

Inconel 182 Heat Treatment

Inconel 182 is heat treatable, which gives it improved mechanical properties. The heat treatment procedure involves annealing, solution treatment, and ageing. The annealing process eliminates any residual stress in the alloy, while the solution treatment enhances the alloy’s mechanical strength. Ageing allows the alloy to achieve improved hardness and increased creep resistance.


To summarise, Inconel 182 is a nickel-chromium alloy with excellent mechanical and physical properties suitable for high-temperature applications. It’s high tensile and yield strength, excellent thermal conductivity, and good oxidation resistance make it a perfect material choice for gas turbine components, nuclear reactor components, aerospace parts, chemical processing equipment, and other high-temperature use cases. We hope you find this blog post informative and that you now have a deeper understanding of the properties of Inconel 182.

Related Post