ThePipingMart Blog Grades AMS 5914 Inconel Alloy – Composition, Properties, and Uses

AMS 5914 Inconel Alloy – Composition, Properties, and Uses

AMS 5914

Metals have been the backbone of the industrial revolution, and technological advancements keep pushing the boundaries of their usage. AMS5914 is a high-performance metal alloy that is used in various industries. AMS5914 has gained popularity owing to its unique physical and mechanical properties. In this blog post, we’ll explore this versatile metal’s composition, properties, and applications.

What is AMS 5914?

AMS 5914 (also known as Inconel Alloy 718) is a type of steel specifically designed for use in high-stress environments, from aerospace applications to oil and gas drilling rigs. This alloy is made up of nickel, cobalt, chromium, and molybdenum, giving it exceptional strength, durability, and resistance to heat and corrosion. In other words, it’s the superhero of the steel world.

What form is AMS 5914 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 5914 Composition

AMS 5914 is a nickel-chromium-molybdenum alloy in the heat-treated form. It contains trace quantities of carbon, manganese, silicon, and sulfur. The chemical composition of this alloy is responsible for its high wear resistance and tensile strength.

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 5914 Physical Properties

AMS 5914 has a density of 7.94 g/cm³ and a melting point of 1,393°C. Its coefficient of thermal expansion is 13.1×10^-6/K. Due to its high chromium content, it offers excellent corrosion and oxidation resistance at elevated temperatures.

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 5914 Mechanical Properties

AMS 5914 has a tensile strength of 220 – 285 ksi, making it an ideal candidate for high-stress environments. It also exhibits high hardness values of up to 44 HRC. It has good fatigue resistance, toughness, and ductility, making it suitable for severe operating conditions.

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

AMS 5832 Specifications

Sheet / Plate Bar Wire

AMS 5914 Uses

AMS 5914 finds its application in various industries like aerospace, gas turbines, power generation, and chemical processing. Its excellent resistance to corrosion and high-temperature oxidation makes it suitable for components used in gas turbines. The high tensile strength and hardness make it ideal for applications like shafts, gears, and bearings.

AMS 5914 Hardness

AMS 5914 bars undergoes a heat treatment called precipitation hardening, which increases its hardness. The HRC value of this alloy ranges from 24 to 44, depending on the heat treatment and processing.

AMS 5914 Heat Treatment

AMS 5914 tubing requires specialized heat treatment to increase its strength and hardness. Heat treatment involves solution treatment at 1177°C, followed by air cooling and precipitation hardening at 593°C. This process improves the mechanical properties of AMS 5914, making it suitable for applications requiring high strength and wear resistance.


In conclusion, AMS 5914 material is a unique alloy with high strength, wear resistance, and excellent corrosion and oxidation resistance. Its unique properties make it suitable for demanding environments in various industries. Understanding the composition, properties, and applications of AMS 5914 can help you choose the suitable metal for your project’s requirements.

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AMS 5914 Inconel Alloy – Composition, Properties, and Uses

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