ThePipingMart Blog Grades AMS 4080 Aluminum Alloy – Composition, Properties and Uses

AMS 4080 Aluminum Alloy – Composition, Properties and Uses

AMS 4080

AMS4080 is a popular aluminium alloy known for its high strength and excellent resistance to corrosion. This aerospace-grade material is widely used in various industries, such as aerospace, defence, and transportation, due to its unique properties. In this blog post, we will closely examine AMS 4080, its composition, physical and mechanical properties, uses, hardness, and heat treatment.

What is AMS 4080?

AMS 4080 (also known as 6061 Aluminum Alloy) is an industry-wide standard used to specify the material for making aircraft parts. Manufacturers, suppliers, and customers use this code to ensure that the material used in the manufacturing process meets certain requirements. AMS4080 is part of a larger system of procedures and specifications designed to ensure that all aircraft parts are made to the highest possible standards. By adhering to this code, manufacturers can ensure that their products are safe and reliable, which is essential in the aerospace industry. This is a complex and important topic that requires a deep understanding of the impact that materials have on the safety and performance of aircraft. This topic is taken very seriously by everyone involved in the industry.

What Form Is AMS 4080 Available at Piping Mart?

  • Pipes
  • Tubing
  • Sheet Plates
  • Forged Fittings
  • Pipe Fittings

AMS 4080 Composition

AMS 4080 is an aluminium alloy that contains copper, magnesium, manganese, and chromium as its main alloying elements. It also contains small amounts of iron, silicon, zinc, and titanium. The exact composition of AMS 4080 may vary, depending on the manufacturer and the intended application.

Element Content (%)
Aluminium / Aluminum, Al 97.9
Magnesium, Mg 1
Silicon, Si 0.60
Copper, Cu 0.28
Chromium, Cr 0.20

AMS 4080 Physical Properties

AMS 4080 has a density of 2.78 g/cm3 and a melting point of 600-660°C. It has high thermal conductivity and electrical conductivity, making it suitable for various electrical and thermal applications.

Properties Metric Imperial
Density 2.7 g/cm3 0.0975 lb/in3
Melting point 588°C 1090°F

AMS 4080 Mechanical Properties

AMS 4080 has a high strength-to-weight ratio and excellent fatigue resistance. It also exhibits good toughness and ductility. The mechanical properties of AMS 4080 can be further improved through heat treatment processes.

Properties Metric Imperial
Tensile strength 310 MPa 45000 psi
Yield strength 276 MPa 40000 psi
Shear strength 207 MPa 30000 psi
Fatigue strength 96.5 MPa 14000 psi
Elastic modulus 68.9 GPa 10000 ksi
Poisson’s ratio 0.33 0.33
Elongation 12-17% 12-17%
Hardness, Brinell 95 95

AMS 4080 Equivalents

AMS 4117 ASTM B247 ASTM B429 DIN 3.3211 MIL G-18014 QQ A-200/8
ASTM B209 ASTM B307 ASTM B483 MIL A-12545 MIL G-18015 QQ A-225/8
ASTM B210 ASTM B313 ASTM B547 MIL A-22771 MIL P-25995 QQ A-250/11
ASTM B211 ASTM B316 ASTM B548 MIL F-17132A MIL T-7081 QQ A-367
ASTM B221 ASTM B345 ASTM B632 MIL F-18280 MIL W-23351 QQ A-430
ASTM B234 ASTM B361 ASTM F467 MIL F-39000 MIL W-85 QQ WW-T-700/6
ASTM B241 ASTM B404 ASTM F468 MIL F-3922 QQ A-200/16 SAE J454

AMS 4080 Uses

AMS 4080 is widely used in the aerospace and defence industries to manufacture aircraft structural components, missile and rocket parts, and other aerospace and defence systems. It is also used in the transportation industry to manufacture automotive parts, such as wheels, chassis components, and suspension systems.

AMS 4080 Hardness

AMS 4080 typically has a hardness of around 80 HRB, which measures its resistance to indentation. The hardness of AMS 4080 can be further increased through heat treatment processes, which can help to improve its strength and wear resistance.

AMS 4080 Heat Treatment

AMS 4080 can be heat treated to improve its mechanical properties, strength, toughness, and flexibility. Different heat treatment processes can be used, depending on the desired properties and the intended application. Some common heat treatment processes for AMS 4080 include solution treatment, precipitation hardening, and artificial ageing.


AMS 4080 material is an excellent aluminium alloy that offers high strength, good toughness, excellent resistance to corrosion, and other desirable properties. Its unique composition, physical and mechanical properties, and ease of processing make it an ideal choice for various aerospace, defence, and transportation applications. By understanding the composition, properties, and uses of AMS 4080, manufacturers can make informed decisions about when and how to use this versatile material.

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