AA Standards Grade 2024 T861

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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,ASM Handbook Volume 2 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials,WroughtAl_ElectricalResistivity.

"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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T861

AA Standards, ASTM B209

2.78 g/cm³

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T861

3.0 g/cm³

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T861

Mechanical

PropertyTemperatureValueConditionRelated StandardsComment

Elastic modulus

73.0 GPa

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T861

AA Standards, ASTM B209

Elongation

-195 °C

5 %

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T861

Elongation in 50 mm

-80 °C

5 %

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T861

Elongation in 50 mm

3.0 %

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T861

AA Standards, ASTM B209

A50

3.0 %

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T861

AA Standards, ASTM B209

A100

3.5 %

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T861

4.0 %

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T861

AA Standards, ASTM B209

A50

0 °C

5 %

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T861

Elongation in 50 mm

24 °C

5 %

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T861

Elongation in 50 mm

100 °C

6 %

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T861

Elongation in 50 mm

150 °C

11 %

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T861

Elongation in 50 mm

205 °C

28 %

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T861

Elongation in 50 mm

260 °C

55 %

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T861

Elongation in 50 mm

315 °C

75 %

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T861

Elongation in 50 mm

370 °C

100 %

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T861

Elongation in 50 mm

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

28.0 GPa

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T861

Tensile strength

-195 °C

635 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

-80 °C

558 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

480.0 MPa

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T861

AA Standards, ASTM B209

490.0 MPa

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T861

AA Standards, ASTM B209

0 °C

538 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

550.0 MPa

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T861

24 °C

517 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

100 °C

483 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

150 °C

372 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

205 °C

145 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

260 °C

75 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

315 °C

52 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

370 °C

35 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

Yield strength

-195 °C

586 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

-80 °C

531 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

425.0 MPa

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T861

AA Standards, ASTM B209

RP02

440.0 MPa

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T861

AA Standards, ASTM B209

RP02

500.0 MPa

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T861

0 °C

510 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

24 °C

490 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

100 °C

462 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

150 °C

331 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

205 °C

117 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

260 °C

62 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

315 °C

41 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

370 °C

28 MPa

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T861

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

Thermal

PropertyTemperatureValueConditionRelated Standards

Coefficient of thermal expansion

2.3e-05 1/K

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T861

20 °C

2.3199999999999998e-05 1/K

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T861

AA Standards, ASTM B209

100 °C

2.3199999999999998e-05 1/K

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T861

AA Standards, ASTM B209

Melting point

500.0 °C

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T861

505.0 - 635.0 °C

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T861

AA Standards, ASTM B209

Specific heat capacity

870.0 J/(kg·K)

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T861

Thermal conductivity

120.0 W/(m·K)

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T861

121.0 - 193.0 W/(m·K)

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T861

AA Standards, ASTM B209

Electrical

PropertyValueConditionRelated StandardsComment

Electrical conductivity

17000000.0 - 29000000.0 S/m

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T861

AA Standards, ASTM B209

22000000 S/m

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T861

Typical value

Electrical resistivity

3.45e-08 - 5.88e-08 Ω·m

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T861

AA Standards, ASTM B209

4.5e-08 Ω·m

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T861

Typical value

Specific Electrical conductivity

38.0 % IACS

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T861

Typical/Derived value

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

90.7 - 94.7 %

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T861

Chromium

0.1 %

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T861

AA Standards, ASTM B209

Copper

3.8 - 4.9 %

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T861

AA Standards, ASTM B209

Iron

0.50 %

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T861

AA Standards, ASTM B209

0.5 %

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T861

Magnesium

1.2 - 1.8 %

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T861

AA Standards, ASTM B209

Manganese

0.3 - 0.9 %

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T861

AA Standards, ASTM B209

Other

0.15 %

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T861

Silicon

0.5 %

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T861

AA Standards, ASTM B209

Titanium

0.15 %

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T861

AA Standards, ASTM B209

Zinc

0.25 %

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T861

AA Standards, ASTM B209

Zirconium

0.2 %

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T861

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)