ThePipingMart Blog Grades AMS 4001 Aluminum Alloy – Composition, Properties, and Uses

AMS 4001 Aluminum Alloy – Composition, Properties, and Uses

AMS 4001

AMS4001 is a specification that defines the material standards for aluminium alloy sheets and plates. It is widely used in aerospace, transportation, and industrial applications due to its outstanding mechanical and physical properties. If you want to learn more about AMS 4001, you have come to the right place. In this blog post, we will discuss the composition, properties, and applications of AMS4001, along with some important facts you should know before using this material.

What is AMS 4001?

AMS 4001 (also known as 1100 Aluminum Alloy) is a specification for high-quality aluminium alloys used in aircraft structures, specifically sheet and plate forms. The AMS4001 standard dictates the minimum requirements for material composition, mechanical properties, and manufacturing processes. In the aviation industry, it is essential to have reliable and durable materials that can withstand rigorous conditions, such as extreme temperatures, high stress, and corrosion. AMS4001 ensures that aluminium alloys meet these requirements, making it a vital standard in aviation. Whether you are a pilot or an engineer, understanding AMS 4001 is crucial for maintaining aircraft safety and efficiency.

What Form is AMS 4001 Available at Piping Mart?

  • Pipes
  • Tubing
  • Sheet Plates

AMS 4001 Composition

AMS 4001 is an aluminium alloy comprising a combination of copper, magnesium, silicon, iron, manganese, and zinc. This alloy is classified as a high-strength sheet and plate alloy that is heat treatable. The composition of AMS 4001 makes it an excellent choice for manufacturing components in high-stress environments or applications that require high strength and excellent corrosion resistance.










Others Total

Al Min


0.95 Si+ Fe







AMS 4001 Physical Properties

The physical properties of AMS 4001 include a density of 0.1 lb/in3, a thermal conductivity of 98 BTU-in/hr-ft2-°F, and an electrical conductivity of 31% IACS. It has a melting point of 1075°F and a specific heat capacity of 0.23 BTU/lb°F. AMS 4001 has a good combination of thermal and electrical properties, making it suitable for various engineering applications.

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

AMS 4001 Mechanical Properties

The mechanical properties of AMS 4001 are equally impressive. It has a high yield strength of 40 ksi and an ultimate tensile strength of 45 ksi. Its hardness is rated at 71 on the Brinell scale. AMS 4001 can also withstand high temperatures, making it suitable for heat or thermal shock resistance applications.

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

AMS 4001 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

AMS 4001 Uses

AMS 4001 is used in various industries requiring a high-strength, lightweight material. Its excellent corrosion resistance makes it ideal for use in marine environments or applications exposed to aggressive chemicals. AMS 4001 is extensively used in the aerospace industry for manufacturing aircraft components, such as wing ribs, bulkheads, and fuselage frames. It is also used in the transportation industry for manufacturing truck and trailer bodies and railroad cars.

AMS 4001 Hardness

The hardness of AMS 4001 is rated at 71 on the Brinell scale. It is a measure of the material’s resistance to deformation or indentation. AMS 4001’s hardness can be improved through heat treatment, which involves heating the material to a specific temperature and cooling it rapidly. This process improves the material’s strength and toughness, making it more suitable for high-stress applications.

AMS 4001 Heat treatment

AMS 4001 can be heat-treated to improve its mechanical properties, such as strength and toughness. Heat treatment involves heating the material to a specific temperature and utilizing a rapid cooling method. This process is called quenching, which transforms the material’s internal structure and improves hardness and strength. The heat treatment process can also help eliminate internal stresses that may have formed during manufacturing, thereby making the material more stable and reliable.


AMS 4001 material  is an excellent choice for manufacturing lightweight, high-strength components in various industries and applications. Its unique composition and excellent mechanical and physical properties make it one of the most sought-after aluminium alloys for designing and manufacturing critical components. By understanding the composition, properties, and applications of AMS 4001, you can make more informed decisions regarding your material selection for your next project. Choosing the right material for your project is crucial to its success, and you can count on AMS 4001 to deliver excellent results.

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