ThePipingMart Blog Grades AMS 6265 Alloy Steel – Composition, Properties, and Uses

AMS 6265 Alloy Steel – Composition, Properties, and Uses

AMS 6265

When selecting the right type of steel for your projects, choosing from the hundreds of available options can be overwhelming. However, if you’re looking for steel with high strength, durability, and resistance to wear and tear, look no further than SAE – AMS 6265. AMS6265 is a popular alloy steel widely used in the aerospace and defence industries thanks to its impressive physical and mechanical properties. In this blog post, we will discuss in detail what AMS 6265 is, its composition, physical and mechanical properties, uses hardness, and heat treatment.

What is AMS 6265?

AMS 6265 (also known as SAE-AISI 9310Alloy Steel) is a specialized type of steel specifically designed for use in high-stress applications such as aircraft landing gear and other critical components. AMS6265 is known for its exceptional strength and toughness, making it an ideal material for demanding working environments. This metal is also corrosion-resistant, ensuring it lasts for as long as possible in even the harshest conditions. Overall, AMS 6265 metal is a crucial component used in many high-performance engineering applications and is perfect for individuals looking for ultimate strength and durability.

AMS 6265 Composition

AMS 6265 wire is a type of low-alloy steel that contains mainly iron, carbon, manganese, chromium, molybdenum, and silicon. The steel is distinguished by its high strength, toughness, and ability to resist deformation under high stress. Furthermore, due to the presence of molybdenum, it offers exceptional resistance to corrosion, making it ideal for use in harsh environments.

Symbol Element Min % Max %
C Carbon 0.07% 0.13%
Mn Manganese 0.40% 0.70%
Si Silicon 0.15% 0.35%
P Phosphorus 0.015%
S Sulfur 0.015%
Cr Chromium 1.00% 1.40%
Ni Nickel 3.00% 3.50%
Mo Molybdenum 0.08% 0.15%
B Boron 0.001% (10 ppm)
Cu Copper 0.035%

AMS 6265 Physical Properties

AMS 6265 steel bars has an excellent combination of physical characteristics, making it suitable for various applications. The steel has a density of 7.85 g/cm³ and a melting point between 1425°C to 1510°C. It is also known for its resistance to wear and tear, abrasion, and erosion. AMS 6265 can resist deformation at high and low temperatures, making it perfect for use in extreme conditions.

AMS 6265 Mechanical Properties

AMS 6265 plates is well-known for its impressive mechanical properties, including high tensile strength, yield strength, and toughness. It has a tensile strength of 185 ksi and a yield strength of 170 ksi. The steel also has excellent ductility, which means it can be stretched or bent without cracking or breaking. Compared to other steels, AMS 6265 material has higher fatigue resistance and can maintain its strength and integrity even after being subjected to cyclic loading.

Mechanical Properties
Density Ultimate Tensile Strength Yield Tensile Strength
Imperial 0.284 lb/in3 132,000 psi 82,800 psi
Metric 7.86 g/cc 907 MPa 571 MPa

AMS 6265 Equivalents

  • AMS 6260G
  • AMS 6265C
  • AMS 6267A

AMS 6265 Specifications

  • E9310
  • AMS 6260
  • AMS 6265 (Vac Melt)
  • AMS 6267 (Vac Melt)
  • AMS 2300
  • AMS 2301
  • AMS 2304
  • MIL-S-7393 Comp 3
  • MIL-S-93030 Comp 3
  • ASTM A322
  • UNS G93106
  • HT-5042
  • EMS-56280
  • BPS-299-947-032AF

AMS 6265 Uses

Due to its exceptional properties, AMS 6265 material is widely used in various industries, including aerospace, defence, and automotive. Steel is used to manufacture aircraft landing gear, engine parts, and transmission parts. In the defence industry, it is used to produce missile components and tank parts. It is also suitable for high-performance automotive parts such as axles, drive shafts, and gears.

AMS 6265 Hardness

AMS 6265 bars is known for its high hardness, which makes it resistant to wear and tear. The steel has a Rockwell hardness of around 40-50 HRC. The hardness can be increased through heat treatment, making it even more durable and suitable for heavy-duty applications.

AMS 6265 Heat treatment

Heat treatment is an essential process that can enhance the mechanical and physical properties of AMS6265. Heat treatment involves hardening the steel to a high temperature and then quenching it in a suitable medium to achieve the desired hardness. After hardening, the steel is tempered to improve its toughness and reduce brittleness. Tempering also relieves residual stresses, making the steel less prone to cracking.


SAE – AMS 6265 is a type of alloy steel with high strength, durability, and corrosion resistance. It is widely used in the aerospace, defence, and automotive industries due to its excellent physical and mechanical properties. With its high hardness and ability to resist wear and tear, AMS 6265 material is suitable for heavy-duty applications. Heat treatment is a critical process that can further enhance this steel’s mechanical and physical properties. Overall, AMS 6265 is an excellent choice for applications that require high-performance and long-lasting materials.

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