AMS 4070

AMS 4070 Aluminum Alloy – Composition, Properties and Uses

AMS4070 is a high-strength aluminium alloy with excellent mechanical properties, making it ideal for aerospace and defence applications. This aluminium alloy is known for its impressive strength and good corrosion resistance, making it a popular choice in various industries. In this guide, we will discuss everything you need to know about AMS 4070, from its composition to its physical and mechanical properties, as well as its uses and heat treatment.

What is AMS 4070?

Have you ever heard of AMS4070? It may sound unfamiliar, but it is a critical specification in the world of aerospace engineering and material science. AMS 4070 (also known as 5052 Aluminum Alloy) is a specific alloy used to manufacture high-strength aluminium products. This particular alloy is known for its durability and resistance to corrosion, which makes it ideal for creating parts subjected to extreme temperatures and stress. Aerospace engineers rely on AMS4070 to create strong and reliable aircraft that can withstand the rigours of flight. AMS4070 is necessary for the aviation industry to produce the same level of high-quality aircraft that we see today.

What Form Is AMS 4070 Available at Piping Mart?

  • Pipes
  • Tubing

AMS 4070 Composition

AMS 4070 is a high-strength aluminium alloy that contains copper, magnesium and zinc as major alloying elements. The copper and magnesium in this alloy produce its high strength and create the desired hardness level. The presence of zinc in AMS 4070 provides excellent corrosion resistance, making it an ideal material for various applications.

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 4070 Physical Properties

AMS 4070 offers good physical properties, such as excellent thermal and electrical conductivity and low density. The density of this alloy ranges from 2.78-2.83 g/cm³. Its melting point is approximately 582°C, and it has a coefficient of thermal expansion of 23.6 x 10-6/K.

AMS 4070 Mechanical Properties

AMS 4070 has impressive mechanical strength compared to other aluminium alloys. Its tensile strength ranges between 490-560 MPa, while its yield strength is between 375-435 MPa. This alloy also offers excellent fatigue resistance and high toughness, making it suitable for critical applications. Additionally, its hardness is between 140-160 HB.

Properties Metric Imperial
Elastic modulus 70-80 Gpa 10152-11603 ksi
Poisson’s ratio 0.33 0.33

AMS 4070 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 4070 Uses

Due to its impressive mechanical properties, AMS 4070 alloy is utilised in various industries, including military, aerospace, and aviation. It is a popular choice for making structural components in aircraft, aircraft engines, and missile parts due to its high strength and durability. Furthermore, it is used in high-performance applications such as bicycle frames, high-strength fasteners, and truck frames.

AMS 4070 Heat treatment

AMS 4070 can be heat treated to enhance its mechanical properties. The typical heat treatment for this alloy is solution heat treatment followed by age hardening. During the solution heat treatment, the material is heated above its optimum temperature range (480°C to 520°C) for several hours to achieve a homogenous solid solution. Subsequently, the material is aged at a low temperature and then reheated to strengthen it.

Conclusion

Overall, AMS 4070 material offers excellent mechanical strength, corrosion resistance, and fatigue resistance, making it ideal for use in various industries. Its impressive heat treatment options allow further customisation to fit the specific application requirements. This guide has provided the following:

  • Insight into the composition.
  • Physical and mechanical properties.
  • The uses and heat treatment options of AMS 4070.

With this information, you can make informed decisions about whether or not this alloy is the right fit for your needs.

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