ThePipingMart Blog Grades AMS 4160 Aluminum Alloy – Composition, Properties and Uses

AMS 4160 Aluminum Alloy – Composition, Properties and Uses

AMS 4160

AMS4160 is a well-known specification for Chromium-Molybdenum-Vanadium Steel, used in various industrial applications. This unique steel alloy has gained popularity due to its high strength, toughness, and excellent resistance to corrosion and wear. AMS4160 is widely used in the aerospace, automotive, and oil and gas industries. In this blog post, we will explore the composition, physical and mechanical properties, and applications of AMS 4160. By the end of this post, you will better understand why AMS4160 is such an essential material in modern manufacturing.

What is AMS 4160?

AMS 4160 (also known as 6061 Aluminum Alloy) is a standard document outlining the requirements for designing and constructing aircraft engine components. Manufacturers and engineers use this document to ensure that their products are up to industry standards and meet the necessary criteria for safe and efficient operation. It covers various topics, including material selection, manufacturing techniques, and testing procedures. By following the guidelines set out in AMS4160, manufacturers can ensure that their products are compliant with regulations and of high quality and reliability. As a result, passengers can fly with peace of mind, knowing that the engines powering their aircraft have been rigorously tested and crafted to the highest standard.

What Form Is AMS 4160 Available at Piping Mart?

  • Pipes
  • Tubing
  • Sheet Plates
  • Pipe Fittings
  • Forged Fittings

AMS 4160 Composition

AMS 4160 is a low alloy steel that contains several key elements, including Chromium, Molybdenum, Vanadium, and Carbon. The high concentration of these elements results in a steel alloy with superior strength, toughness, and excellent resistance to corrosion and wear. The exact composition of AMS4160 can vary, depending on the application’s specific requirements. However, the general composition of AMS 4160 typically ranges from 0.08% to 0.14% Carbon, 0.90% to 1.20% Chromium, 0.15% to 0.25% Molybdenum, and 0.06% to 0.12% Vanadium.

Element Content (%)
Aluminium / Aluminum, Al 97.9
Magnesium, Mg 1
Silicon, Si 0.60
Copper, Cu 0.28
Chromium, Cr 0.20

AMS 4160 Physical Properties

AMS 4160 has several unique physical properties that make it stand out from other steel alloys. The melting point of AMS 4160 is around 1410°C, which is relatively high compared to other low alloy steels. This steel alloy also has a density of around 7.85 g/cm³, which is relatively low, making it ideal for lightweight applications. AMS 4160 has good thermal conductivity, so it can quickly transfer heat. This property is essential for applications that require high-temperature resistance, such as aerospace and automotive applications.

Properties Metric Imperial
Density 2.7 g/cm3 0.0975 lb/in3
Melting point 588°C 1090°F

AMS 4160 Mechanical Properties

The mechanical properties of AMS 4160 are also impressive. This steel alloy has high tensile strength, the amount of stress a material can withstand before it matures. The tensile strength of AMS 4160 can range from 930 MPa to 1300 MPa, depending on the heat treatment and other factors. The yield strength and the stress required to cause permanent deformation can range from 685 MPa to 1160 MPa. AMS 4160 also has excellent fracture toughness, which means it can withstand sudden impact or shock without breaking.

Properties Metric Imperial
Tensile strength 310 MPa 45000 psi
Yield strength 276 MPa 40000 psi
Shear strength 207 MPa 30000 psi
Fatigue strength 96.5 MPa 14000 psi
Elastic modulus 68.9 GPa 10000 ksi
Poisson’s ratio 0.33 0.33
Elongation 12-17% 12-17%
Hardness, Brinell 95 95

AMS 4160 Equivalents

AMS 4117 ASTM B247 ASTM B429 DIN 3.3211 MIL G-18014 QQ A-200/8
ASTM B209 ASTM B307 ASTM B483 MIL A-12545 MIL G-18015 QQ A-225/8
ASTM B210 ASTM B313 ASTM B547 MIL A-22771 MIL P-25995 QQ A-250/11
ASTM B211 ASTM B316 ASTM B548 MIL F-17132A MIL T-7081 QQ A-367
ASTM B221 ASTM B345 ASTM B632 MIL F-18280 MIL W-23351 QQ A-430
ASTM B234 ASTM B361 ASTM F467 MIL F-39000 MIL W-85 QQ WW-T-700/6
ASTM B241 ASTM B404 ASTM F468 MIL F-3922 QQ A-200/16 SAE J454

AMS 4160 Uses

AMS 4160 is a versatile steel alloy that has several key applications. This steel alloy is commonly used in aerospace for aircraft engine components, landing gear, and structural parts. AMS 4160 is also used in oil and gas for drilling tools, valves, and other critical components. This steel alloy also finds its way into automotive applications, such as engine parts, suspension systems, and high-performance racing components. AMS 4160 is an excellent choice for applications that require high strength, toughness, and excellent resistance to corrosion and wear.

AMS 4160 Hardness and Heat Treatment

AMS 4160 can be heat-treated to increase its hardness and strength. The steel alloy can be quenched and tempered to achieve a hardness of up to 40 HRC. This property makes AMS 4160 suitable for applications that require excellent wear resistance. The heat treatment process can also improve the tensile and yield strength of the steel alloy. The exact heat treatment process depends on the application’s specific requirements.


In conclusion, AMS 4160 material is a unique steel alloy with excellent properties widely used in various industrial applications. This low alloy steel has high strength, toughness, and excellent resistance to wear and corrosion. The physical and mechanical properties of AMS 4160 make it an ideal material for aerospace, automotive, and oil and gas applications. If you want a superior strength and durability material, then AMS 4160 is an excellent choice. We hope this blog post has been informative and helps you understand the benefits of AMS 4160.

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