The specification known as AMS 4071 is an essential material requirement for aerospace industry professionals. This specification outlines the composition, physical and mechanical properties, and heat treatment requirements for an important type of aluminium alloy. This blog post will explore what AMS4071 is, its properties use, and applications.
What is AMS 4071?
AMS 4071 (also known as 5052 Aluminum Alloy) is a specification for high-performance elastomers commonly used in the aviation industry, specifically for sealing applications. It defines the elastomers’ chemical makeup requirements, physical properties, and performance characteristics. These elastomers are designed to withstand extreme temperatures, pressures, and chemicals, making them crucial in aircraft engines, fuel systems, and hydraulic systems. The specification ensures that the elastomers used in aviation meet strict standards for quality and durability, ensuring the safety and reliability of aircraft for pilots and passengers alike.
What Form Is AMS 4071 Available at Piping Mart?
- Pipes
- Tubing
AMS 4071 Composition
AMS 4071 is an aluminium alloy composed mainly of aluminium, copper, and magnesium. It is also referred to as 6061-T6 or 6061-T651. It is a heat-treatable alloy with excellent strength, and according to its specification, it is suitable for welding.
| Element | 5052 |
| Silicon | 0.25 |
| Iron | 0.40 |
| Copper | 0.10 |
| Manganese | 0.10 |
| Magnesium | 2.2-2.8 |
| Chromium | 0.15-0.35 |
| Zinc | 0.10 |
| Aluminum | balance |
| Other Elements (each) | 0.05 |
| Other Elements (total) | 0.15 |
AMS 4071 Physical Properties
AMS 4071 has a density of 2.7 g/cm³, which is relatively low, making it an excellent choice for applications that require lightweight materials. Its melting point is around 582°C, with a thermal conductivity of approximately 154 W/mK. It also has a high electrical conductivity.
AMS 4071 Mechanical Properties
AMS 4071 has excellent strength and good flexibility. Its tensile strength is around 310 MPa, with a yield strength of approximately 280 MPa. It has a relatively low elongation at break, at around 12%. It also has excellent fatigue performance, which makes it suitable for applications where it will be subjected to cyclic loads.
| Properties | Metric | Imperial |
|---|---|---|
| Elastic modulus | 70-80 Gpa | 10152-11603 ksi |
| Poisson’s ratio | 0.33 | 0.33 |
AMS 4071 Equivalents
| AMS 4004 | AMS 4017 | AMS 4175 | AMS 4178 | AMS 4348 | ASTM B209 |
| ASTM B210 | ASTM B211 | ASTM B221 | ASTM B234 | ASTM B241 | ASTM B313 |
| ASTM B316 | ASTM B404 | ASTM B483 | ASTM B547 | ASTM B548 | MIL C-26094 |
| MIL G-18014 | MIL S-12875 | QQ A-225/7 | QQ A-250/8 | QQ A-430 | QQ WW-T-700/4 |
AMS 4071 Uses
AMS 4071 is used in various aerospace applications, including aircraft structures like wings, fuselages, and landing gears. Due to its strength and lightweight properties, it is also commonly used in automotive and structural applications, such as bridges and buildings. It has also been used to produce consumer goods, such as baseball bats and bike frames.
AMS 4071 Hardness
AMS 4071 has a Brinell hardness of around 95. This makes it relatively hard and suitable for applications where wear resistance is important.
AMS 4071 Heat Treatment
AMS 4071 is a heat-treatable alloy which can be hardened by heat treatment. It is usually treated with a solution heat treatment, followed by an artificial ageing process. This process enhances its mechanical properties and increases its strength.
Conclusion:
AMS 4071 is an important material specification in the aerospace industry due to its excellent strength and lightweight properties. Its composition, physical and mechanical properties and heat treatment requirements make it a reliable and versatile material. With its many applications and superb performance, it will continue to be an important material in aerospace and other industries for the foreseeable future.
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.
