ThePipingMart Blog Grades AMS 4102 Aluminum Alloy – Composition, Properties, and Uses

AMS 4102 Aluminum Alloy – Composition, Properties, and Uses

AMS 4102

Are you looking for a high-strength, corrosion-resistant metal alloy for your next project? If yes, AMS4102 might be the perfect solution for you. This aerospace-grade aluminium alloy is renowned for its exceptional mechanical and physical properties, making it a popular choice in various industries, including aerospace, defence, automotive, and marine. This blog post will examine AMS 4102 and discover its composition, physical and mechanical properties, uses, hardness, and heat treatment methods.

What is AMS 4102?

AMS4102 (also known as Aluminum Alloy 1100) is a specification issued by the Society of Automotive Engineers (SAE) for a particular type of aluminium alloy commonly used in aerospace applications. This specification outlines the composition and properties of the alloy, as well as the testing and inspection procedures required to ensure it meets the necessary standards. AMS4102 alloy is known for its high strength, excellent corrosion resistance and weldability, making it a popular choice for use in aircraft fuselages, wings and other structural components. Although it may be a technical specification, it is crucial for ensuring the safety and reliability of aircraft and, therefore, plays a critical role in the aviation industry.

What Form is AMS 4102 Available at Piping Mart?

  • Pipes
  • Tubing
  • Sheet Plates

AMS 4102 Composition

AMS4102 is a high-strength aluminium alloy composed of copper (0.30%), magnesium (1.1%), iron (0.50%), silicon (0.20%), and manganese (0.10%). This alloy also contains trace amounts of other elements, such as chromium, nickel, and zinc, which improve its corrosion resistance, machinability, and weldability.










Others Total

Al Min


0.95 Si+ Fe







AMS 4102 Physical Properties

AMS 4102 has impressive physical properties, including a density of 2.77 g/cm3, a melting point of 570-635°C, and a thermal expansion coefficient of 23.8 µm/m-K. It also has good electrical conductivity, making it suitable for electrical and electronic applications.

Properties Metric Imperial
Density 2.71 g/cm3 0.0979 lb/in³

AMS 4102 Mechanical Properties

One of the main advantages of AMS 4102 is its exceptional mechanical properties, which include high tensile strength (590 MPa), yield strength (505 MPa), and elongation (9%). These properties make it suitable for applications that require high strength and excellent flexibility, such as structural aircraft components, landing gear, and missile parts.

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

AMS 4102 Equivalents

AMS 4003 AMS 7220 ASTM B209 ASTM B210 ASTM B211 ASTM B221
ASME SFA5.10 (ER1100) ASME SFA5.3 (E1100) ASTM B241 ASTM B247 ASTM B313 ASTM B316
ASTM B548 MIL A-52174 MIL A-52177 MIL C-26094 MIL R-5674 MIL S-24149/5
AWS A5.10 (ER1100) AWS A5.10 (ER1100) AWS A5.3 (E1100) MIL E15597 (MIL-1100) MIL I-23413 (MIL-1100) QQ WW-T-700/1
MIL W-6712 MIL W-85 QQ A-1876 QQ A-1876 QQ A-250/1 QQ A-430
SAE J454

AMS 4102 Uses

AMS 4102 is widely used in aerospace, particularly in manufacturing aircraft structural components, engine components, and landing gears. It’s also used in defence and automotive industries for strength and corrosion resistance. Its superior mechanical and physical properties make it an excellent choice for marine applications, such as offshore drilling rigs and vessels.

AMS 4102 Hardness

The hardness of AMS 4102 varies depending on the heat treatment it undergoes. If it’s annealed, it has a hardness of 26 HRB, while if treated to a T6 temper, it has a hardness of 92 HRB.

AMS 4102 Heat Treatment

AMS 4102 can undergo several heat treatment methods, including annealing, solution treatment, and precipitation hardening. Annealing is done at 370°C for 3 hours, while solution treatment is done at 490-520°C for 2 hours. Precipitation hardening can be done at 120-180°C for 16 hours.


AMS 4102 material is a high-strength aluminium alloy with excellent mechanical and physical properties. Its composition, physical properties, mechanical properties, uses, hardness and heat treatment methods make it ideal for aerospace, defence, automotive, and marine applications. If you’re looking for a reliable and corrosion-resistant metal alloy for your next project, consider using AMS 4102 to enjoy its numerous benefits.

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