ThePipingMart Blog Grades AMS 5890 Nickel Alloy – Composition, Properties and Uses

AMS 5890 Nickel Alloy – Composition, Properties and Uses

AMS 5890

AMS 5890 is a popular choice for manufacturing components in the aerospace industry. This alloy is known for its exceptional durability, excellent strength-to-weight ratio, and superior resistance to both corrosion and wear. If you want to learn more about AMS 5890, this blog post is for you. In this post, we’ll delve into the composition, properties, uses, hardness, and heat treatment of AMS 5890.

What is AMS 5890?

AMS 5890 is a high-performance nickel alloy designed for use in extreme environments requiring exceptional corrosion resistance and strength. This alloy is frequently used in aerospace and power generation applications, offering unparalleled performance and reliability. With a unique combination of properties that includes excellent mechanical strength, resistance to high temperatures, and exceptional corrosion resistance, AMS 5890 is an essential material for many critical applications.

AMS 5890 Composition

AMS 5890 is a high-performance nickel-chromium-molybdenum alloy. The percentage composition of AMS 5890 is as follows: Nickel (Ni): 50%, Chromium (Cr): 20%, Molybdenum (Mo): 12%, Iron (Fe): 10%, and Tungsten (W): 3%. Additionally, it also contains Cobalt (Co): 2%, Carbon (C): 0.08%, and Silicon (Si): 0.25%. The alloy’s composition gives it impressive thermal stability, strength, and excellent corrosion resistance properties.

AMS 5890 Physical Properties

AMS 5890 has a density of 8.19 gm/cm³. Its melting point is higher than 1315°C, with a specific heat capacity of 452 J/kg K. The alloy has good thermal conductivity and thermal expansion. These physical properties make AMS 5890 ideal for high-temperature applications such as jet engine components.

AMS 5890 Mechanical Properties

AMS 5890 has an impressive tensile strength of 200,000 PSI. It also has excellent ductility, toughness, and fatigue resistance. It is a perfect choice for components subjected to high stress and vibrations.

AMS 5890 Uses

AMS 5890 is commonly used in the aerospace and power generation industries to produce critical components such as turbine blades, combustion chambers, and exhaust systems. It is widely used in aircraft engines due to its excellent strength-to-weight ratio and thermal stability. It is also commonly used in oil and gas applications and industrial gas turbine engines.

AMS 5890 Hardness

AMS 5890 has a Rockwell hardness of 45 HRC when heat treated. This is an extremely high level of hardness, making this alloy an excellent choice for high-stress applications.

AMS 5890 Heat Treatment

The heat treatment process for AMS 5890 involves heating the alloy to a temperature of 980–1020°C. This process is followed by quenching, which involves rapidly cooling the alloy in oil or water. The final step consists of tempering the component between 593-760°C. This last step helps to improve the component’s toughness, flexibility, and crack resistance.


In summary, AMS 5890 is a nickel-chromium-molybdenum alloy known for its superior corrosion resistance, thermal stability, and strength. Its exceptional mechanical and physical properties make it an ideal choice for aerospace and power generation components. Its use can be versatile in various industries, including oil, gas, and energy. When heat-treated, it exhibits an incredible hardness of 45 HRC, making it an excellent choice for high-stress applications. If you’re looking for a reliable, high-performance alloy for your next project, consider AMS 5890.

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