AA Standards Grade 2024 O

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Description

Aluminum AA 2024, known for its use in aircraft industry, is an alloy that offers excellent strength. When in the annealed condition it is readily formed and has good machinability. Though it has a relatively low level of corrosion resistance, it can be machined to a high finish.

Related Standards

Equivalent Materials

This material data has been provided by AluKey.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyValueConditionRelated Standards

Density

2.78 g/cm³

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

Mechanical

PropertyTemperatureValueConditionRelated StandardsComment

Bending Fatigue Strength

90.0 MPa

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O

AA Standards

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Elastic modulus

73.0 GPa

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

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Elongation A100

23.0 °C

10 - 20 %

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Elongation A50

23.0 °C

12 - 20 %

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Hardness, Brinell

47.0 [-]

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O

AA Standards

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Plane-Strain Fracture Toughnes

22.0 - 35.0 MPa·√m

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Typical for Wrought 2000 Series Aluminium

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Poisson's ratio

0.33 [-]

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Typical for Wrought 2000 Series Aluminium

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Shear modulus

26.0 - 27.5 GPa

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Typical for Wrought 2000 Series Aluminium

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Tensile strength

185.0 MPa

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O

AA Standards

220.0 MPa

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O

AA Standards, ASTM B209, ASTM B210

240.0 MPa

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O

AA Standards, ASTM B211, ASTM B241, ASTM B316

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Yield strength Rp0.2

23.0 °C

75 - 130 MPa

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Thermal

PropertyTemperatureValueConditionRelated StandardsComment

Coefficient of thermal expansion

100 °C, 20 °C

2.3199999999999998e-05 1/K

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

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Melting point

505.0 - 635.0 °C

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

Specific heat capacity

816.0 - 963.0 J/(kg·K)

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Typical for Wrought 2000 Series Aluminium

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Thermal conductivity

121.0 - 193.0 W/(m·K)

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

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Electrical

PropertyValueConditionRelated Standards

Electrical conductivity

17000000.0 - 29000000.0 S/m

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

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Electrical resistivity

3.45e-08 - 5.88e-08 Ω·m

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

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Chemical properties

PropertyValueConditionRelated Standards

Chromium

0.1 %

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

Copper

3.8 - 4.9 %

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

Iron

0.50 %

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

Magnesium

1.2 - 1.8 %

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

Manganese

0.3 - 0.9 %

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

Other

each 0.05, total 0.15, Rest Al

Silicon

0.5 %

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

Titanium

0.15 %

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

Zinc

0.25 %

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O

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B241, ASTM B316

Technological properties

Property
Brazing

general: no brazing is known or developed

Corrosion properties

Stress corrosion cracking: Betriebsschäden in Gebieten mit Zugspannungen quer zur Kornstruktur, Eingeschränkte Schäden an Laborproben (T4,T3, T351, T3510, T3511), d (T6, T861, T81, T851, T8510, T8511), general: sufficient, in principle it should be protected

General machinability

General: poor (O), good to acceptable

Workability

general (condition): poor(T4, T3, T351, T3510, T3511, T6), not suitable (T361, T861, T81, T851, T8510, T8511)