ThePipingMart Blog Grades AMS 4028 Aluminum Alloy – Composition, Properties and Uses

AMS 4028 Aluminum Alloy – Composition, Properties and Uses

AMS 4028

AMS4028 is a high-strength aluminium alloy widely used in aerospace applications because of its excellent physical and mechanical properties. This alloy stands out for its exceptional strength-to-weight ratio, making it a popular choice for aircraft and space vehicles. This blog post will provide a comprehensive guide about AMS 4028. We’ll cover its composition, physical and mechanical properties, uses, hardness, and heat treatment.

What is AMS 4028?

AMS 4028 (also known as 2024 Aluminum Alloy) is a specification that details the chemical and mechanical properties of aluminium alloy sheets and plates. It may seem like a sea of technical jargon to the uninitiated, but this specification is critical in ensuring the quality and reliability of the finished product. Simply put, AMS4028 outlines the precise parameters required for creating aluminium sheets and plates that can withstand the rigours of various industries, from aerospace to defence to transportation. Without this specification, manufacturers may end up producing substandard products that cannot meet the rigorous demands of their customers. So, if you’re wondering what AMS4028 is, it’s a vital document that helps ensure the quality of aluminium products used in critical applications.

What Form Is AMS 4028 Available at Piping Mart?

  • Pipes
  • Tubing
  • Sheet Plates

AMS 4028 Composition

AMS4028 is an age-hardening alloy made of aluminium, Copper, magnesium, and silicon. The chemical composition follows Aluminium (balance), Copper (1.2-1.8%), Magnesium (1.8-2.8%), and Silicon (0.5-1.2%). These elements give the alloy its outstanding strength, toughness, and resistance to corrosion.

Element Content (%)
Aluminium / Aluminum, Al 93.5
Copper, Cu 4.4
Silicon, Si 0.8
Magnesium, Mg 0.5
Cromium, Cr 0.1 (Max)
Manganese, Mn 0.6

AMS 4028 Physical Properties

The physical properties of AMS 4028 include a density of 2.8 g/cm3 and a thermal conductivity of 130 W/m.K. This alloy also presents good resistance to stress corrosion cracking, fatigue, and wear.

Properties Metric Imperial
Density 2.8 g/cm3 0.1018 lb/in3
Melting point 510°C 950°F

AMS 4028 Mechanical Properties

AMS 4028 has excellent mechanical properties, making it a popular choice in aerospace applications. Its ultimate tensile strength can reach up to 710 MPa, and it has a yield strength of 655 MPa. Young’s modulus is at 72 GPa, elongating 13%. This power, stiffness and flexibility combination has made it popular for aerospace designers.

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

AMS 4028 Equivalents

ASTM B210 ASTM B211 ASTM B221 ASTM B241 ASTM B247
ASTM BB241 DIN 3.1255 MIL T-15089 QQ A-200/2 QQ A-225/4
QQ A-250/4 QQ A-367 SAE J454

AMS 4028 Uses

AMS 4028 is widely used in different aerospace applications, such as commercial and military aircraft manufacturing structural components. Its excellent strength-to-weight ratio and resistance to corrosion make it a suitable choice for aircraft structures. Additionally, it has been used in satellite structures and aluminium missile parts.

AMS 4028 Hardness

AMS 4028 has a high hardness level when subjected to specific heat treatments. Hardness levels can range up to 70HRB in a T6 condition, offering superior resistance to wear and abrasion.

AMS 4028 Heat treatment

AMS 4028 can be heat-treated to enhance its mechanical performance. An example of such a treatment is the T6 heat treatment process, which involves heating the alloy to about 500°C followed by water quenching and ageing.

Conclusion

In conclusion, AMS 4028 material is a high-strength aluminium alloy widely used in aerospace applications because of its excellent physical and mechanical properties. Its chemical composition, physical and mechanical properties, uses, hardness, and heat treatment make AMS 4028 an outstanding alloy. Innovators in aerospace continue to find novel ways of incorporating this alloy into designs for structures, components and space vehicles. Whether you’re a budding mechanical engineer or an aerospace designer, AMS 4028 offers properties that could benefit your application.

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