AMS 4126 is a popular alloy commonly used in the aerospace and defence industries due to its excellent mechanical and physical properties. The alloy is also ideal for marine applications, construction, and automotive industries. This blog post aims to provide a comprehensive guide to AMS 4126, from its composition to its mechanical properties and heat treatment processes.
What is AMS 4126?
AMS 4126 (also known as 7075 Aluminum Alloy) is a specification that defines the requirements for aluminium alloy sheets and plates used in aerospace applications. This specification covers aluminium alloy sheets and plates with different dimensions and thicknesses. The alloy used in AMS 4126 is designed for high strength with excellent corrosion resistance, making it ideal for use in the aerospace industry. Aluminium alloys are widely used in aircraft construction for their lightweight, high strength, and durability. With the increasing demand for aerospace components that are lightweight and high-performance, AMS4126 has become increasingly important in meeting these requirements. As a result, this specification plays a critical role in ensuring the safety and reliability of aerospace equipment.
What form is AMS 4126 Available at Piping Mart?
- Pipes
- Tubing
AMS 4126 Composition
AMS 4126 is an aluminium alloy classified under the wrought aluminium alloy category. The alloy contains significant amounts of copper, magnesium, and manganese, with a trace of chromium and nickel. Its composition makes it suitable for various applications, including marine equipment, airframes, and spacecraft.
|
Si |
Fe |
Cu |
Mn |
Mg |
Cr |
Zn |
Ti |
Others-Each |
Others Total |
Al |
|
|---|---|---|---|---|---|---|---|---|---|---|---|
| 7075 |
0.40 |
0.50 |
1.2-2.0 |
0.30 |
2.1-2.9 |
0.18-0.28 |
5.1-6.1 |
0.20 |
0.05 |
0.15 |
Remainder |
AMS 4126 Physical Properties
AMS 4126 has excellent physical properties, making it an ideal industrial material. The alloy boasts high corrosion resistance and excellent thermal and electrical conductivity. It has a melting point of 600-635 degrees Celsius and a density of 2.78g/cm3. Its thermal conductivity is 159W/mK, while its electrical conductivity is 38% IACS.
AMS 4126 Mechanical Properties
The mechanical properties of AMS 4126 are outstanding, making it a favourite material in the aerospace industry. Its yield strength, tensile strength, and elongation are 515 MPa, 570 MPa, and 13%, respectively. Its fatigue strength is impressive, with a stress range of 150 MPa and 10^7 cycles.
| Alloy-Temper |
Tensile Strength (ksi) |
Yield Strength (ksi) |
Elongation (%) |
|---|---|---|---|
| 7075-O |
33 |
15 |
16 |
| 7075-T6 |
83 |
73 |
11 |
AMS 4126 Uses
AMS 4126 is a versatile alloy used in various industries due to its unique properties. It produces aircraft wing spars, missile components, helicopter rotor blades, and defence armour plating. Other applications include marine equipment such as shipbuilding and submarines, construction, automotive industries and sporting equipment.
AMS 4126 Hardness
AMS 4126 has a hardness rating of 120 HB, making it a rugged and durable material. The hardness rating makes it resistant to wear and tear, making it ideal for high-strength and durability applications.
AMS 4126 Heat Treatment
AMS 4126 can withstand different heat treatment processes, such as solution heat treatment and artificial ageing. Typically, the alloy is heated to a temperature of 530°C, held for eight hours, and then quenched in water. The ageing process takes four hours at 120°C; the result is an alloy with excellent strength, toughness, and corrosion resistance.
Conclusion:
AMS 4126 material is a popular and versatile alloy due to its unique properties, such as corrosion resistance, high strength-to-weight ratio, excellent mechanical and physical properties, and excellent weldability. It is a popular material in many industries, including aerospace, marine, defence, construction, and automotive. With proper heat treatment, AMS 4126 can attain exceptional strength, which makes it ideal for high-performance 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.
