ThePipingMart Blog Grades AMS 5797 Haynes Alloy – Composition, Properties, and Uses

AMS 5797 Haynes Alloy – Composition, Properties, and Uses

AMS 5797

AMS5797 is a popular metal alloy that is used in various industries. This alloy is known for its high strength, excellent corrosion resistance, and resistance to wear and tear. It is commonly used in critical applications that require high-performance metals. This blog will discuss everything you need to know about AMS 5797, including its composition, physical and mechanical properties, uses, and hardness.

What is AMS 5797?

AMS5797 is a nickel-based superalloy that is mostly used for high-temperature applications. This material contains elements such as cobalt, chromium, molybdenum, and tungsten, contributing to its strength and corrosion resistance. AMS 5797 is commonly used in the aerospace and gas turbine industries due to its ability to withstand extreme temperatures and harsh environments. As an expert in materials engineering, this alloy is a reliable choice for challenging applications where durability and performance are crucial.

AMS 5797 Composition

AMS5797 is a nickel-based alloy that contains a high percentage of cobalt, chromium, and molybdenum. It has a nominal composition of 53% nickel, 18% cobalt, 19.5% chromium, and 5.5% molybdenum. The remaining percentage comprises iron, tungsten, and other trace elements. The combination of these metals gives AMS 5797 its unique properties.

Element Content (%)
Cobalt, Co 49.3
Chromium, Cr 20
Tungsten, W 15
Nickel, Ni 10
Iron, Fe 3
Manganese, Mn 1.5
Silicon, Si 1
Carbon, C 0.15
Sulfur, S 0.030
Phosphorous, P 0.040

AMS 5797 Physical Properties

AMS 5797 has excellent physical properties, making it ideal for high-performance applications. It has a density of 8.19 g/cm3, a melting point of approximately 1350°C (2462°F), and a thermal conductivity of 9.46 W/m.K. It also has a coefficient of thermal expansion of 13.8 μm/m.K and a specific heat capacity of 408 J/kg.K.

Properties Metric Imperial
Density 9.13 g/cm³ 0.33 lb/in³
Melting point 1382°C 2520°F

AMS 5797 Mechanical Properties

The mechanical properties of AMS 5797 are impressive, with a tensile strength of 1100 MPa, yield strength of 760 MPa, and an elongation of 15%. It also has a hardness of 46 HRC, making it one of the hardest alloys. These properties make AMS 5797 an excellent candidate for high-strength and durability applications.

AMS 5797 Equivalent

  • AISI 670
  • AMS 5537
  • AMS 5759
  • AMS 5796
  • ASTM F90
  • GE B50T26
  • GE B50TF1
  • MIL C-24252 Comp 1

AMS 5797 Uses

AMS 5797 is used in several industries, including aerospace, petrochemical, and power generation. In the aerospace industry, it is used to manufacture turbine blades, combustion chambers, and other high-performance components. It is used in applications such as reactors, heat exchangers, and valves in the petrochemical industry. It is used in gas turbines, steam turbines, and other critical components in the power generation industry.

AMS 5797 Hardness

As mentioned earlier, AMS 5797 has a hardness of 46 HRC. This hardness can be further improved through heat treatment processes such as annealing, solution treatment, and ageing. Heat treatment ensures the alloy remains strong, malleable, and resistant to wear and tear.

AMS 5797 Heat treatment

Heat treatment is a crucial step in the production of AMS 5797 alloys. With years of experience in the industry, our team has the expertise necessary to perform the most effective heat treatment process for these alloys. Our methods ensure improved mechanical properties and optimal performance in high-stress applications. Trust us to provide quality heat treatment services for your AMS 5797 alloy needs.


AMS 5797 material is an excellent nickel-based alloy with outstanding physical and mechanical properties. Its high strength, corrosion resistance, and hardness make it ideal for high-performance metal applications. It is used in several industries, including aerospace, petrochemical, and power generation. With the right heat treatment processes, AMS 5797 can be further improved to meet specific application requirements. If you are looking for a high-performance alloy, then AMS 5797 is worth considering.

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