ThePipingMart Blog Grades AMS 4113 Aluminum Alloy – Composition, Properties and Uses.

AMS 4113 Aluminum Alloy – Composition, Properties and Uses.

AMS 4113

AMS4113 is an alloy that finds its application in various industries due to its excellent mechanical and physical properties. Understanding AMS 4113 is essential, especially for those who work in the manufacturing, aerospace, and automotive industries. In this blog post, we’ll cover what AMS 4113 is, its composition, physical and mechanical properties, uses hardness, and heat treatment.

What is AMS 4113?

AMS 4113 (also known as 6061 Aluminum Alloy) is a type of aluminium alloy used extensively in various industries due to its strength and corrosion-resistant properties. This alloy comprises high levels of iron, which offers excellent machinability and makes it easy to shape into the desired form. Many manufacturers prefer AMS4113 because it can withstand extreme temperatures, making it suitable for aerospace and automotive applications. Whether you are in the market for a durable and strong alloy for manufacturing heavy-duty equipment or seeking a lightweight solution for producing aeroplane parts, AMS4113 offers an attractive solution that can meet your specific needs.

What form is AMS 4113 Available at Piping Mart?

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

AMS 4113 Composition

AMS 4113 is a low alloy steel containing Chromium, Molybdenum, Vanadium, Iron and Carbon. The composition of AMS 4113 is carefully engineered to provide a desirable balance between strength and ductility. The presence of Vanadium in AMS 4113 enhances its durability and toughness.

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

AMS 4113 Physical Properties

AMS 4113 possesses excellent physical properties such as high tensile strength, yield strength, and torsional strength. This alloy also exhibits good thermal conductivity, making it an ideal choice for heat transfer applications. AMS 4113 has good weldability and can be easily machined.

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

AMS 4113 Mechanical Properties

AMS 4113 showcases superior mechanical properties, such as high resistance to fatigue and excellent wear resistance. These mechanical properties make AMS 4113 a perfect choice for demanding applications where strength and durability are essential.

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 4113 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 4113 Uses

AMS 4113 has widespread use in various industries, such as aerospace, automotive, defence, and manufacturing. In aerospace, AMS 4113 manufactures critical components such as landing gear, hydraulic systems, and engine components. In the automotive industry, AMS 4113 makes high-strength parts such as springs and shock absorbers.

AMS 4113 Hardness

AMS 4113 is heat-treatable, which enhances its hardness and strength. The hardness of AMS 4113 can range from 195 to 240 HB (Brinell hardness). The hardness of AMS 4113 can be increased by applying a suitable heat treatment process.

AMS 4113 Heat Treatment

AMS 4113 can be heat-treated to improve its mechanical and physical properties. Heat treatment involves heating the alloy to a specific temperature and holding it at that temperature for a predetermined amount of time. This process allows the alloy to adapt to new crystallographic characteristics, resulting in improved properties.


In conclusion, AMS 4113 materia is a low alloy steel with excellent mechanical and physical properties. The presence of elements such as Chromium, Molybdenum, and Vanadium enhances the alloy’s strength, durability, and toughness. The hardness of AMS 4113 can be increased through heat treatment, making it an ideal choice for applications where high strength and durability are essential. Understanding AMS 4113 is crucial for those who work in the aerospace, automotive, defence, and manufacturing industries, as it finds extensive use in critical applications.

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