ThePipingMart Blog Grades AMS 5950 Inconel Alloy – Composition, Properties, and Uses

AMS 5950 Inconel Alloy – Composition, Properties, and Uses

AMS 5950

AMS 5950 is a popular alloy used in various industrial applications that require high-strength and corrosion-resistant materials. It is an iron-based superalloy that contains chromium, nickel, and molybdenum, among other elements. AMS 5950 is highly valued for its exceptional strength, durability, and resistance to wear and tear.

What is AMS 5950?

AMS5950 (also known as Inconel Alloy 718) is a specification for high-temperature and corrosion-resistant nickel alloys. This material is widely used in aerospace and petrochemical industries for its exceptional mechanical properties that allow high-stress applications. Engineers appreciate AMS5950 for its excellent resistance to crevice corrosion, cracking, and pitting, which ultimately extends the materials’ lifespan.

What form is AMS 5950 Available at Piping Mart?

  • Nut
  • Bar
  • Bolt
  • Pipe
  • Screw
  • Tubing
  • Valves
  • Washers
  • Flanges
  • Fasteners
  • Electrodes
  • Stud Bolts
  • Sheet Plates
  • Pipe Fittings
  • Forged Fitting
  • Instrumentation Fittings

AMS 5950 Composition

The chemical composition of AMS 5950 gives it unique properties that make it an ideal material for extreme environments. The alloy contains around 25% chromium, 21% nickel, and 4% molybdenum, with smaller amounts of tungsten, cobalt, and carbon. Adding these elements makes it highly resistant to corrosion, oxidation, and erosion while also providing excellent mechanical properties.

Ni Fe Cr Cu Mo Nb C Mn P S Si Ti Al Co B
.30 max
.08 max
.35 max
.015 max
.015 max
.35 max
1.00 max
.006 max

AMS 5950 Physical Properties:

The physical properties of AMS 5950 are equally impressive, with a density of 8.2 g/cm³, a melting point of approximately 1390°C, and a specific heat capacity of 484 J/kg.k. Its high melting point makes it suitable for use in high-temperature applications such as gas turbines and jet engines. At the same time, its low coefficient of thermal expansion provides dimensional stability in critical components.

Solution Treated Solution Treated and Aged
Density 0.296 lb/in3 (8.192 g/cm3) 0.297 lb/in3 (8.22 g/cm3)
Specific Gravity 8.19 8.22
Melting Range 2500-2600°F 1370-1430°C

AMS 5950 Mechanical Properties

Besides its exceptional physical properties, AMS 5950 also has excellent mechanical properties, making it suitable for use in demanding applications such as aircraft engines and chemical processing equipment. It has a tensile strength of up to 200,000 PSI and a yield strength of up to 100,000 PSI, along with excellent fatigue and creep resistance. Its toughness and ductility also make it ideal for use in challenging environments.

Ultimate Tensile Strength, psi .2% Yield Strength psi Elongation % Hardness Rockwell B

AMS 5832 Specifications

Sheet / Plate Bar Wire

AMS 5950 Uses

AMS 5950 bars is widely used in the aerospace, defence, and chemical processing industries, where its unique properties are highly valued. It is used in the fabrication of gas turbine components such as blades and vanes and in oil and gas drilling equipment, chemical processing vessels, and nuclear reactor components. It is also used in medical devices, where its biocompatibility and corrosion resistance make it an ideal material for implants and surgical instruments.

AMS 5950 Hardness

AMS 5950 tubing has a high hardness of up to 40 HRC, making it resistant to abrasion and wear. This property also makes it suitable for use in cutting tools and bearings, where it can withstand high loads and speeds without degradation. Its hardness can also be increased through heat treatment, improving its properties and extending its lifespan.

AMS 5950 Heat Treatment

Heat treatment can be used to further enhance the properties of AMS 5950, such as its hardness, strength, and toughness. It can be annealed to reduce its hardness and increase its ductility or quenched and tempered to increase its strength and hardness. The exact heat treatment process depends on the specific application and desired properties, but it is a critical step in maximizing the performance of this alloy.


In conclusion, AMS 5950 material is an alloy that offers superior properties and exceptional performance in demanding environments. Its unique strength, durability, and resistance to wear and tear make it an ideal material for various industrial applications, from aircraft engines to surgical instruments. Its composition, physical and mechanical properties, uses, hardness, and heat treatment options make it popular for those requiring high-performance materials that can withstand the harshest conditions.

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AMS 5950 Inconel Alloy – Composition, Properties, and Uses

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