ThePipingMart Blog Grades AMS 5892 Incoloy Alloy – Composition, Properties, and Uses

AMS 5892 Incoloy Alloy – Composition, Properties, and Uses

AMS 5892

Metals have been critical to the aerospace industry since it began. With the incorporation of new technologies, metals have become more and more specialized. One example is AMS5892, an aerospace-grade steel that has gradually become popular with the advancement of aerospace technologies. AMS 5892 is known for exceptional strength and durability, which makes it ideal for aircraft engines, landing gears, and structural components. In this blog post, we’ll take a closer look at what AMS5892 is, its chemical and physical properties, mechanical properties, hardness, heat treatment, and its various applications.

What is AMS 5892?

AMS 5892 (also known as Incoloy 909 Alloy ) is a non-heat treatable aluminium alloy. It has good machinability and high strength with excellent corrosion resistance properties. This aluminium alloy is often used for aerospace and oil field components applications. It is an ideal choice for automotive engine parts due to its resistance to heat and shock.

AMS 5892 Composition

AMS5892 is a martensitic steel that is melted and processed through vacuum arc-melting and electro-slag refinement. It contains carbon, manganese, chromium, silicon, nickel, molybdenum, and tungsten and has low alloy content. The low alloy content makes it high resistance to corrosion and oxidation.

Elements Content (%)
Iron, Fe 42
Nickel, Ni 38
Cobalt, Co 13
Niobium, Nb 4.7
Titanium, Ti 1.5
Silicon, Si 0.4
Aluminum, Al 0.03
Carbon, C 0.01

AMS 5892 Physical Properties

The density of AMS 5892 is 0.280 lb/in³ (7.74 g/cm³). It has a melting point of 2500°F (1371°C) and can withstand a temperature of up to 1600°F (871°C). AMS 5892 is non-magnetic, accepts standard welding, and has a low coefficient of thermal expansion. Its excellent thermal conductivity gives it an advantage over other alloys.

Properties Metric Imperial
Density 8.30 g/cm³ 0.300 lb/in³
Melting point 1422°C 2590°F

AMS 5892 Mechanical Properties

AMS 5892 has excellent mechanical properties, including high strength, low-temperature toughness, and fatigue resistance. Its ultimate tensile strength is 260-280 ksi (1793–1931 MPa), with a yield strength of 230-250 ksi (1586–1724 MPa). Its elongation is about 17%, and its area reduction is roughly 60%.

Properties Metric Imperial
Tensile strength (precipitation hardened. value at room temperature) 1300 MPa 189000 psi
Yield strength (@ strain 0.200%, precipitation hardened, value at room temperature) 1140 MPa 165000 psi
Elongation at break (precipitation hardened) 15% 15%

AMS 5892 Hardness

AMS 5892 has high hardness, making it ideal for chopping, shredding, or cutting tasks. The steel has an HRC rating of 48-52, which means it can hold its edge well during heavy use. This rating also makes it better than stainless steel, such as 440C.

AMS 5892 Thermal Properties

Properties Metric Imperial
Thermal expansion co-efficient (@ 20-427°C/68-801°F) 7.70 µm/m°C 4.28 µin/in°F
Thermal conductivity 14.8 W/mK 103².°F

AMS 5892 Heat Treatment

The heat treatment process can alter the physical and mechanical properties of AMS 5892. For instance, the normalizing process helps improve the toughness of the steel, while the annealing process helps improve the machinability. The steel can also be hardened through quenching and tempering. AMS 5892 has a surface-hardening property that can prevent wear, tear, and damage.

AMS 5892 Uses

AMS 5892 material is widely used in the aerospace industry for aircraft structural components, engine parts, landing gear, and helicopter rotor blades. It is also used in industrial sectors that require high strength and low-temperature toughness. AMS 5892 is also used in the automotive and medical industries, where its excellent durability and hardness are required.


In summary, AMS 5892 material is an aerospace-grade steel with exceptional strength and durability. It is widely used in the aerospace, automotive, and medical industries. Its superb physical, mechanical properties, hardness, and heat treatment opportunities make it versatile for various industries. If you require high-strength steel for your industrial or manufacturing needs, AMS 5892 is a viable option to satisfy you.

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AMS 5892 Incoloy Alloy – Composition, Properties, and Uses

by harsh jain time to read: 2 min