ThePipingMart Blog Grades AMS 5872 Nimonic Alloy – Composition, Properties, and Uses

AMS 5872 Nimonic Alloy – Composition, Properties, and Uses

AMS 5872

AMS5872 is a high-performance alloy that possesses excellent mechanical and physical properties. This material is widely used in various industries, including aerospace, defence, medical, and oil and gas. In this blog post, we’ll look at the composition, physical and mechanical properties, uses, hardness, and heat treatment of AMS 5872.

What is AMS 5872?

AMS 5872 (also known as Nimonic Alloy 263) is a specific type of nickel-based alloy that is used in a range of industrial applications. Known for its unique strength, durability, and corrosion resistance, this alloy is popular in the aerospace, nuclear, and oil and gas industries. It is also an excellent choice for applications requiring high temperature and pressure resistance, making it a valuable material for many manufacturing processes. Overall, AMS5872 is an incredibly versatile and dependable alloy that plays a vital role in many industries.

AMS 5872 Composition

AMS 5872 is a nickel-iron-chromium-molybdenum alloy that contains a small amount of tungsten. It has a higher nickel content than other alloys, providing excellent resistance to corrosion and elevated temperatures. This material also has low carbon and sulfur content, which promotes excellent weldability.

Element Content (%)
Nickel, Ni 49
Cobalt, Co 19-21
Chromium, Cr 19-21
Molybdenum, Mo 5.60-6.10
Titanium, Ti 1.90-2.40
Iron, Fe  0.70
Manganese, Mn  0.60
Aluminum, Al  0.60
Silicon, Si  0.40
Copper, Cu  0.20
Carbon, C 0.040 – 0.080
Boron, B  0.0050
Sulfur, S 0.0070

AMS 5872 Physical Properties

The physical properties of AMS 5872 include a density of 8.12 g/cm³, a melting point of 1371°C to 1416°C, and a thermal expansion coefficient of 12.2 µm/m°C. These properties make AMS 5872 suitable for use in high-temperature applications.

Properties Metric Imperial
Density 8.36 g/cm³ 0.302 lb/in³
Melting point 1300-1355°C 2370-2471°F

AMS 5872 Mechanical Properties

AMS 5872 has excellent mechanical properties, making it a popular choice for high-stress applications. It has a yield strength of 550 MPa, a tensile strength of 930 MPa, and an elongation of 35%. Additionally, this material can withstand temperatures up to 1093°C without significant loss in strength.

Properties Metric Imperial
Tensile strength (precipitation hardened, value at room temperature) 940 MPa 136000 psi
Yield strength (@strain 0.200%, precipitation hardened, value at room temperature) 550 MPa 79800 psi
Elongation at break (precipitation hardened) 39% 39%

AMS 5872 Equivalent

  • AMS 5872
  • AMS 5886
  • DIN 2.4650

AMS 5872 Uses

AMS 5872 is widely used in the aerospace industry for components like turbine blades and aeroplane engines. It’s also used in the medical industry for implantable medical devices due to its corrosion resistance and biocompatibility. Other common uses of AMS 5872 include oil and gas processing equipment, chemical processing equipment, and nuclear power plant components.

AMS 5872 Hardness

AMS 5872 has a typical hardness of 25 HRC, which means it’s resistant to deformation and wear. This makes it ideal for use in high-stress environments and equipment that requires durability.

AMS 5872 Heat Treatment

AMS 5872 can be heat treated using various methods to improve its mechanical properties. Heat treatment can either increase or decrease the hardness of the material, depending on the application’s specific needs. The most common heat treatment methods for AMS 5872 include solution annealing, quenching, and tempering.


AMS 5872 material is a high-performance alloy with excellent mechanical and physical properties, making it ideal for various industries. Its corrosion resistance, biocompatibility, and ability to withstand high-temperature environments make it highly sought after. By understanding the composition, physical and mechanical properties, uses, hardness, and heat treatment of AMS 5872, engineers and manufacturers can make informed decisions when selecting materials for their applications.

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