ThePipingMart Blog Grades AMS 4022 Aluminum Alloy – Composition, Properties and Uses

AMS 4022 Aluminum Alloy – Composition, Properties and Uses

AMS 4022

The aerospace and manufacturing industries rely heavily on high-performance metals to produce components that require exceptional strength, durability and resistance to wear and tear. One such metal that has gained immense popularity in these industrial domains is AMS4022. In this blog, we will deep dive into the composition, physical and mechanical properties of AMS 4022, hardness, heat treatment and industrial uses.

What is AMS 4022?

AMS 4022 (also known as 6061 Aluminum Alloy) is a specification that defines the requirements for high-strength aluminium alloy sheets and plates commonly used in aircraft structures and other applications requiring exceptional strength-to-weight ratios. These materials are known for their excellent corrosion resistance, toughness, and formability, making them ideal for use in harsh environments with critical durability and reliability. With AMS4022, manufacturers can ensure that their products meet the strict requirements of the aerospace industry and deliver the highest levels of performance and durability to their customers. Whether designing the next generation of aircraft or looking for materials that can withstand extreme conditions, the AMS4022 is a standard you can rely on.

What Form Is AMS 4022 Available at Piping Mart?

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

AMS 4022 Composition

AMS4022 is a form of aluminium alloy composed of 3-3.5% copper, 1.2-1.8% magnesium, 0.5-1.5% manganese, 0.2-0.8% iron and 0.1% zinc. This alloy’s chemical composition provides excellent corrosion resistance, high fatigue strength and low-density characteristics. Its unique composition makes it ideal for manufacturing complex structures and components under conditions where weight and strength are essential factors.

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

AMS 4022 Physical Properties

The physical properties of AMS 4022 are also noteworthy. It has a low density of 0.095 lbs/in³ and a melting range of 588°F-1090°F. Its thermal conductivity ranges from 82-88 Btu(in)/(hrft²°F). The electrical resistivity of AMS 4022 also falls within the range of 1.98-3.14 10^-8 Ωm. Furthermore, AMS 4022 has excellent weldability, making it easy to join various components without weakening the structure.

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

AMS 4022 Mechanical Properties

The mechanical properties of AMS 4022 make it a well-sought-after metal for aerospace and manufacturing industries. Its tensile strength stands at 75 ksi, with a yield strength of 45 ksi. AMS 4022 has a high modulus of elasticity, which ranges between 10.5-10.8 Msi. This metal also has high elongation, which runs between 15-20%. These properties make it ideal for manufacturing complex parts, components, and structures that require high tensile strength and must withstand high and repeated stress levels.

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 4022 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 4022 Uses

AMS 4022 has many industrial uses, with the primary ones being in the aerospace and manufacturing industries. It is commonly used to manufacture components of cooling, hydraulic, and pneumatic systems. This alloy is also used in aircraft, where the weight of components is a crucial factor. Other applications of AMS 4022 include pump bodies, internal structural components, and brake discs.

AMS 4022 Hardness

The hardness of AMS 4022 ranges between 75-85 HB, making it resistant to wear, tear, and scratching. The heat treatment process of this metal involves heating it between 867°F-910°F and quenching it into water or oil. This process hardens it to produce maximum tensile and yield strength. However, over-hardening can result in cracking or brittleness, making it vital to control the heat treatment process.


AMS 4022 material is a high-performance aluminium alloy with outstanding properties, making it ideal for numerous industrial applications. Its excellent corrosion resistance, low-density characteristics, high fatigue strength, and weldability make it a well-sought metal, especially in the aerospace and manufacturing industries. Understanding its composition, physical and mechanical properties, uses, hardness and heat treatment process is vital in preserving its unique characteristics and ensuring optimal performance in different industrial applications.

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