Aluminium 2024 machined parts

2024 is a high-strength aluminium alloy often used in aerospace and engineering applications. Learn more about its machinability, temper options, and available sizes.

Med-high strength alloy
Used in military & aerospace structures
High strength-to-weight ratio

Aluminium 2024 machined parts

2024 is a high-strength aluminium alloy often used in aerospace and engineering applications. Learn more about its machinability, temper options, and available sizes.

Med-high strength alloy
Used in military & aerospace structures
High strength-to-weight ratio

Aluminium 2024 machined parts

2024 is a high-strength aluminium alloy often used in aerospace and engineering applications. Learn more about its machinability, temper options, and available sizes.

Med-high strength alloy
Used in military & aerospace structures
High strength-to-weight ratio

Aluminium 2024 grades we use

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What is aluminium 2024?

2024 is a medium to high strength aluminium alloy (depending on temper) with good fatigue resistance. It is often specified for use in the military and aerospace sectors in critical structures where a high strength to weight ratio is required.

Similar or obsolete designations and trade names

  • AA2024
  • UNS A92024
  • ISO AlCu4Mg1
  • NF A-U4G1 (France)
  • DIN AlCuMg2
  • ASME SB211
  • CSA CG42 (Canada)
  • AIR 9048.630 (France)
  • 3.354 (Germany)
  • EN 2419 (Europe)
  • L97
  • QQ-A-250/4
  • AMS 4035
  • Tempers: 0, T3, T351, T4, T81, T851, T42, T62, T361, T72, T861

Main attributes

  • High strength
  • Very good fatigue resistance
  • Improved fracture toughness
  • Fatigue crack growth
  • Poor corrosion resistance to atmospheric attack

Technical properties

2024 T351 aluminium physical properties

Physical Properties Value
Density2.79 g/cm³
Melting Point650°C
Thermal Expansion23.1 x10^-6 /K
Modulus of Elasticity73 GPa
Thermal Conductivity121–150 W/m.K
Electrical Resistivity30–40 % IACS

2024 T351 plate indicative mechanical properties

Thickness (mm) Proof Strength (Min) Tensile Strength (Min) Elongation % (Min)
Over 6.6 up to & incl. 12.629044112
12.7 up to & incl. 25.42904348
Over 25.4 up to & incl. 38.12904277
Over 38.1 up to & incl. 50.82904276
Over 50.8 up to & incl. 76.22904144
Over 76.2 up to & incl. 101.62833934

Typical 2024 chemical composition (weight %)

Weight (%) Manganese Iron Copper Magnesium Silicon Zinc Chromium Titanium Aluminium
min. 0.30 0.00 3.80 1.20 0.00 0.00 0.00 0.00 Bal
max. 0.90 0.50 4.90 1.80 0.50 0.25 0.10 0.15 Bal

Industries that use Aluminium 2024

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Real-world uses of Aluminium 2024

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Aluminium 2024 FAQs

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Explore Aluminium 2024 resources

Article

Selecting an aluminium alloy

Materials
09 Jul 2025

Selecting the appropriate material and grade is among the important early decisions you'll make when designing your CNC machined component. In this blog we look at the most common grades of aluminium, one of the most versatile metals, and the factors to consider to select the best grade for your next project.

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Machining of aluminum and aluminum alloys (ASM handbook)

Materials
11 Jul 2025