AMS 4022 Aluminum Alloy – Composition, Properties and Uses
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.
Conclusion:
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.
A passionate metal industry expert and blogger. With over 5 years of experience in the field, Palak brings a wealth of knowledge and insight to her writing. Whether discussing the latest trends in the metal industry or sharing tips, she is dedicated to helping others succeed in the metal industry.
