AA Standards Grade 2024 T72

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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.

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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T72

AA Standards, ASTM B209

3.0 g/cm³

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T72

Mechanical

PropertyValueConditionRelated StandardsComment

Elastic modulus

73.0 GPa

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T72

AA Standards, ASTM B209

Elongation

5.0 %

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T72

AA Standards, ASTM B209

A50

5.8 %

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T72

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

415.0 MPa

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T72

AA Standards, ASTM B209

480.0 MPa

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T72

Yield strength

315.0 MPa

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T72

AA Standards, ASTM B209

RP02

360.0 MPa

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T72

Thermal

PropertyTemperatureValueConditionRelated Standards

Coefficient of thermal expansion

2.3e-05 1/K

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T72

100 °C, 20 °C

2.3199999999999998e-05 1/K

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T72

AA Standards, ASTM B209

Melting point

505.0 - 635.0 °C

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T72

AA Standards, ASTM B209

500.0 °C

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T72

Specific heat capacity

870.0 J/(kg·K)

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T72

Thermal conductivity

121.0 - 193.0 W/(m·K)

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T72

AA Standards, ASTM B209

120.0 W/(m·K)

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T72

Electrical

PropertyValueConditionRelated Standards

Electrical conductivity

17000000.0 - 29000000.0 S/m

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T72

AA Standards, ASTM B209

Electrical resistivity

3.45e-08 - 5.88e-08 Ω·m

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T72

AA Standards, ASTM B209

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

90.7 - 94.7 %

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T72

Chromium

0.1 %

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T72

AA Standards, ASTM B209

Copper

3.8 - 4.9 %

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T72

AA Standards, ASTM B209

Iron

0.50 %

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T72

AA Standards, ASTM B209

0.5 %

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T72

Magnesium

1.2 - 1.8 %

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T72

AA Standards, ASTM B209

Manganese

0.3 - 0.9 %

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T72

AA Standards, ASTM B209

Other

0.15 %

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T72

Silicon

0.5 %

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T72

AA Standards, ASTM B209

Titanium

0.15 %

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T72

AA Standards, ASTM B209

Zinc

0.25 %

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T72

AA Standards, ASTM B209

Zirconium

0.2 %

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T72

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)