AA Standards Grade 2024 T42

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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.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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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T42

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

3.0 g/cm³

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T42

Mechanical

PropertyValueConditionRelated StandardsComment

Elastic modulus

73.0 GPa

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T42

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

Elongation

3.0 %

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T42

AA Standards, ASTM B209

A100

5.0 %

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T42

AA Standards, ASTM B209

A100

6.0 %

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T42

AA Standards, ASTM B209

A100

7.0 %

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T42

AA Standards, ASTM B209, ASTM B241

A100

8.5 %

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T42

9.0 %

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T42

AA Standards, ASTM B211, ASTM B241

A100

10.0 %

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T42

AA Standards, ASTM B210, ASTM B241, ASTM B316

A100

10.0 %

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T42

AA Standards, ASTM B210, ASTM B211

A50

12.0 %

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T42

AA Standards, ASTM B209, ASTM B210, ASTM B241

A50

15.0 %

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T42

AA Standards, ASTM B209

A50

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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Typical for Wrought 2000 Series Aluminium

Shear modulus

26.0 - 27.5 GPa

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Typical for Wrought 2000 Series Aluminium

Tensile strength

395.0 MPa

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T42

AA Standards, ASTM B241

400.0 MPa

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T42

AA Standards, ASTM B209, ASTM B211

415.0 MPa

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T42

AA Standards, ASTM B209

420.0 MPa

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T42

AA Standards, ASTM B209

425.0 MPa

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T42

AA Standards, ASTM B209, ASTM B211, ASTM B316

440.0 MPa

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T42

AA Standards, ASTM B210

480.0 MPa

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T42

Yield strength

260.0 MPa

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T42

AA Standards, ASTM B209, ASTM B241

RP02

275.0 MPa

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T42

AA Standards, ASTM B210, ASTM B211, ASTM B316

RP02

310.0 MPa

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T42

Thermal

PropertyTemperatureValueConditionRelated Standards

Coefficient of thermal expansion

2.3e-05 1/K

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T42

20 °C

2.3199999999999998e-05 1/K

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T42

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

100 °C

2.3199999999999998e-05 1/K

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T42

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

Melting point

500.0 °C

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T42

505.0 - 635.0 °C

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T42

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

Specific heat capacity

870.0 J/(kg·K)

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T42

Thermal conductivity

120.0 W/(m·K)

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T42

121.0 - 193.0 W/(m·K)

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T42

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

Electrical

PropertyValueConditionRelated Standards

Electrical conductivity

17000000.0 - 29000000.0 S/m

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T42

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

Electrical resistivity

3.45e-08 - 5.88e-08 Ω·m

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T42

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

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

90.7 - 94.7 %

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T42

Chromium

0.1 %

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T42

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

Copper

3.8 - 4.9 %

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T42

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

Iron

0.50 %

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T42

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

0.5 %

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T42

Magnesium

1.2 - 1.8 %

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T42

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

Manganese

0.3 - 0.9 %

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T42

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

Other

0.15 %

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T42

Silicon

0.5 %

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T42

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

Titanium

0.15 %

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T42

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

Zinc

0.25 %

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T42

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

Zirconium

0.2 %

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T42

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)