ThePipingMart Blog Grades AMS 4319 Aluminum Alloy – Composition, Properties and Uses

AMS 4319 Aluminum Alloy – Composition, Properties and Uses

AMS 4319

Have you ever heard of AMS4319? You’ve come to the right place if you’re wondering what it is and why it matters. AMS 4319 is a particular type of alloy with several unique properties and uses. In this blog, we’ll explore the composition, physical and mechanical properties, and various applications of AMS 4319. So, buckle up and let’s get started.

What is AMS 4319?

AMS 4319 (also known as 4032 Aluminum Alloy) is a specification for steel bars that have been specially treated to resist corrosion and other types of damage. These bars are commonly used in aerospace and other high-stress applications, where reliable performance is critical. One of the key features of AMS4319 steel bars is their exceptional strength, which allows them to withstand extreme forces without bending or breaking. Additionally, these bars’ corrosion-resistant properties help prevent rust and other types of deterioration, ensuring that they remain in optimal condition for as long as possible. Overall, AMS4319 is an important standard for anyone who needs durable, high-performance steel bars for demanding applications.

AMS 4319 Composition

AMS 4319 is a type of alloy made from a combination of iron, nickel, and chromium. It has a low carbon content and is highly resistant to corrosion, making it suitable for use in harsh environments. It also contains a small molybdenum, improving its strength and toughness.

Element Content (%)
Aluminum, Al 85
Silicon, Si 12.20
Magnesium, Mg 1.0
Copper , Cu 0.90
Nickel, Ni 0.9

AMS 4319 Physical Properties

AMS 4319 has several physical properties that make it a desirable material for various applications. It has a density of 8.13 grams per cubic centimetre and a melting point of 1371 degrees Celsius. It also has high thermal conductivity and a low coefficient of thermal expansion, which means it can withstand high temperatures without degrading its structural integrity.

AMS 4319 Mechanical Properties

AMS 4319 has impressive mechanical properties, making it ideal for structural and mechanical applications. It has a tensile strength of 1170 Mega-Pascals (MPa), higher than typical steel alloys. It also has a yield strength of 1060 MPa and a low elongation rate of 10%, indicating its excellent resistance to deformation.

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

AMS 4319 Equivalents

  • ASTM B247
  • QQ A-367
  • SAE J454

AMS 4319 Uses

AMS 4319 is used in various industries, including aerospace, defence, and marine. Its high strength, corrosion resistance and low weight make it ideal for aircraft components, turbine blades, nozzles, and engine parts. It is also commonly used in offshore drilling rigs and chemical processing equipment.

AMS 4319 Hardness

AMS 4319 is a tough alloy with good wear resistance and a high hardness rating. Its HRC (Rockwell hardness) rating ranges from 38 to 45, making it suitable for high-impact applications.

AMS 4319 Heat Treatment

Heat treatment plays a vital role in enhancing the properties of AMS 4319. To achieve the desired properties, the alloy can be heat treated at temperatures between 816 to 1010 degrees Celsius. This process also allows for controlled tempering, improving the alloy’s toughness and ductility.


In summary, AMS 4319 material is an alloy with an impressive combination of physical, mechanical and chemical properties. Its composition and low carbon content make it highly corrosion-resistant, while its mechanical properties make it ideal for use in various applications. Whether in aerospace, defence, or marine industries, the unique benefits of AMS 4319 make it an attractive material to work with. Understanding its properties and potential applications allows you to explore how this material might suit your needs.

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