ThePipingMart Blog Grades AMS 5886 Nimonic Alloy – Composition, Properties and Uses

AMS 5886 Nimonic Alloy – Composition, Properties and Uses

AMS 5886

Nickel-based alloys are known for their outstanding corrosion resistance, high-temperature strength, and unique properties that make them suitable for numerous industrial applications. One of the most unique nickel alloys is AMS5886, widely used for its excellent mechanical properties and thermal stability. This blog post will explore everything you need to know about AMS5886, including its composition, physical and mechanical properties, uses, and hardness.

What is AMS 5886?

AMS 5886(also known as Nimonic Alloy 263) is a specific grade of steel used in demanding industries such as aerospace and defence. This material is known for its outstanding strength and durability, making it an ideal choice for critical components that withstand extreme conditions. AMS 5886 has strict requirements for chemical composition, mechanical properties, and manufacturing methods to ensure consistent quality and reliability. As an expert in the field, trust that choosing AMS 5886 will not only meet but exceed your expectations for performance and longevity.

What Form Is AMS 5886 Available at Piping Mart?

  • Bars
  • Fasteners
  • Nuts

AMS 5886 Composition

AMS 5886 is a high-strength nickel alloy that contains around 60% nickel, 20% chromium, and 7% tungsten, along with other elements such as iron, cobalt, molybdenum, and aluminium. This unique composition gives it superior resistance to thermal cycling and high-temperature oxidation, making it ideal for high-temperature environments. AMS 5886 is also resistant to sulfuric and hydrochloric acid, making it a popular choice for the chemical processing industry.

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 5886 Physical Properties

AMS 5886 has a melting point of around 1315°C, higher than most nickel-based alloys. It has a density of 8.22 g/cm³ and a specific heat capacity of 473 J/kg·K. Its thermal conductivity is 11.3 W/m·K, and its coefficient of thermal expansion is 11.9 µm/m·K. AMS 5886’s physical properties make it an excellent choice for high-temperature applications.

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

AMS 5886 Mechanical Properties

Its mechanical properties are among the most critical factors in selecting a nickel-based alloy. AMS 5886 has an ultimate tensile strength of 200 ksi and a yield strength of 140 ksi. Its elongation at break is 12%, and its hardness ranges between 40 and 48 HRC. AMS 5886’s superior mechanical properties make it an excellent choice for the aerospace, oil and gas, and chemical processing industries.

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

AMS 5886 Equivalent

  • AMS 5872
  • AMS 5886
  • DIN 2.4650

AMS 5886 Uses

AMS 5886’s superior properties make it particularly useful in high-temperature applications such as gas turbines, jet engines, and rocket engines. It is also used in the chemical processing industry due to its resistance to corrosion, acids, and other chemicals. AMS 5886 is also used in marine applications thanks to its excellent resistance to seawater corrosion.

AMS 5886 Hardness

AMS 5886 has a hardness range between 40 and 48 HRC, making it one of the hardest nickel alloys. Its hardness makes it suitable for applications that require high-strength materials, such as aerospace engine parts and chemical processing equipment.

AMS 5886 Heat Treatment

AMS 5886 can be heat-treated to improve its mechanical properties further. The most common heat treatment process is solution annealing, which involves heating the alloy to around 1100°C and cooling it rapidly. This heat treatment process improves the alloy’s mechanical properties, making it an even better choice for high-temperature applications.


AMS 5886 material is one of the most special nickel-based alloys due to its mechanical strength, thermal stability, and corrosion resistance. Its unique composition makes it perfect for high-temperature applications, chemical processing, and marine environments. Whether in the aerospace, oil and gas, or chemical processing industries, AMS 5886 can provide the durability and strength you need for your applications. With the proper heat treatment, AMS 5886 can be customized to meet your specific needs, making it an even more versatile material choice.

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