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,MakeItFrom.com,Matmatch,WroughtAl_ElectricalResistivity.

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

3.0 g/cm³

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O

2.77 g/cm³

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O

Mechanical

PropertyValueConditionRelated StandardsComment

Bending Fatigue Strength

90.0 MPa

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O

AA Standards

Elastic modulus

73.0 GPa

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O

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

72.4 GPa

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O

Elongation

20.0 %

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O

AA Standards

A50

12.0 %

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O

AA Standards, ASTM B209, ASTM B241

A50

16.0 %

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O

AA Standards, ASTM B211

A50

20.0 %

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O

AA Standards

A100

10.0 %

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O

AA Standards, ASTM B209, ASTM B241

A100

14.0 %

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O

AA Standards, ASTM B211

A100

16.0 %

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O

20.0 %

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O

Hardness, Brinell

47.0 [-]

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O

AA Standards

Plane-Strain Fracture Toughnes

22.0 - 35.0 MPa·√m

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Typical for Wrought 2000 Series Aluminium

Poisson's ratio

0.33 [-]

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O

Shear modulus

26.0 - 27.5 GPa

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Typical for Wrought 2000 Series Aluminium

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

190.0 MPa

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O

Yield strength

75.0 MPa

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O

AA Standards

RP02

95.0 MPa

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O

AA Standards, ASTM B209

RP02

100.0 MPa

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O

AA Standards, ASTM B210

RP02

130.0 MPa

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O

AA Standards, ASTM B241

RP02

98.0 MPa

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O

75.0 MPa

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O

Thermal

PropertyTemperatureValueConditionRelated Standards

Coefficient of thermal expansion

2.3e-05 1/K

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O

2.29e-05 1/K

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O

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

Melting point

505.0 - 635.0 °C

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O

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

500.0 °C

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O

Specific heat capacity

870.0 J/(kg·K)

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O

875.0 J/(kg·K)

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O

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

120.0 W/(m·K)

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O

190.0 W/(m·K)

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O

Electrical

PropertyValueConditionRelated StandardsComment

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

29000000 S/m

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O

Typical/derived value

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

3.4e-08 Ω·m

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O

Typical value

Specific Electrical conductivity

50.0 % IACS

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O

Typical value

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

90.7 - 94.7 %

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O

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

0.5 %

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O

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

0.15 %

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O

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

Zirconium

0.2 %

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O

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)