ThePipingMart Blog Grades AMS 4067 Aluminum Alloy – Composition, Properties and Uses

AMS 4067 Aluminum Alloy – Composition, Properties and Uses

AMS 4067

Regarding industrial metal alloys, AMS4067 is one of the most popular and widely used. This aerospace material specification, also known as SAE-AMS4067, is a type of aluminium alloy that offers a range of physical and mechanical properties. This blog post will dive into AMS 4067’s composition, physical and mechanical properties, hardness, and heat treatment. By the end of this article, you’ll have all the information you need to understand this material and its applications.

What is AMS 4067?

AMS 4067 (also known as 2219 Aluminium Alloy) is a specification that sets out the standards for high-temperature, heat-resistant, and low-specific-gravity silicone rubber compounds. These compounds find applications in various industries, including aerospace, aviation, and defence. The specification outlines these materials’ properties and performance requirements, including their tensile strength, elongation, and compression set. It also sets out the testing protocols to ensure that the compounds are of the highest quality and can withstand harsh environments. In the world of advanced materials, AMS4067 is an important specification that helps ensure that the silicon rubber components used in critical applications meet the highest standards of quality and reliability.

AMS 4067 Composition

AMS 4067 is an aluminium alloy that contains approximately 2% copper, 2% magnesium, and 5.5% zinc. This alloy is known for its high strength and corrosion resistance and is used for structural applications in the aerospace industry.

Element Content (%)
Aluminum, Al 93
Copper, Cu 6.3
Manganese, Mn 0.3
Zirconium, Zr 0.18
Vanadium, V 0.10
Titanium, Ti 0.06

AMS 4067 Physical Properties

AMS 4067 has a density of 2.78 g/cm³, a thermal conductivity of 130 W/mK, and a coefficient of thermal expansion of 22.4 x 10^-6 m/mK. It is a non-magnetic and non-heat treatable alloy with good machinability.

Properties Metric Imperial
Density 2.6-2.8 g/cm3 0.0939- 0.101 lb/in3
Melting point 510°C 950°F

AMS 4067 Mechanical Properties

AMS 4067 has excellent strength properties, including a tensile strength of 580 MPa and a yield strength of 505 MPa. It also has good fatigue resistance and is resistant to stress corrosion cracking. This alloy can be formed using various methods, including extrusion, forging, and rolling.

Properties Metric Imperial
Tensile strength 170 MPa 24656 ksi
Yield strength 76 MPa 1022 ksi
Fatigue strength 105 MPa 15229
Elastic modulus 70-80 GPa 10153-11603 ksi
Poisson’s ratio 0.33 0.33
Elongation 18% 18%

AMS 4067 Equivalents

AMS 4066 ASTM B211 ASTM B247 MIL A-46808 QQ A-367
AMS 4068 ASTM B221 ASTM B316 MIL A-8920 QQ A-430
ASTM B209 ASTM B241 MIL A-46118 QQ A-250\30 SAE J454

AMS 4067 Uses

AMS 4067 is commonly used in the aerospace industry for structural applications such as aircraft fuselages and wings and in industries such as defence, transportation, and construction.

AMS 4067 Hardness

AMS 4067 has a Brinell hardness range of 150-170, making it a fairly hard alloy.

AMS 4067 Heat Treatment

AMS 4067 is a non-heat treatable alloy. However, it can be strengthened by cold working and annealing.


AMS 4067 is a highly versatile aluminium alloy that offers a range of physical and mechanical properties, making it an ideal material for use in various industries. Its high strength, corrosion resistance, and good machinability make it a popular choice for structural applications in the aerospace industry. This guide lets you understand AMS 4067, its composition, physical and mechanical properties, usage, hardness, and heat treatment. We hope this article has been useful in introducing you to this versatile alloy.

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