AA Standards Grade 2024 T851

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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,Matmatch.

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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T851

AA Standards, ASTM B209, ASTM B211

2.78 g/cm³

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T851

3.0 g/cm³

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T851

Mechanical

PropertyTemperatureValueConditionRelated StandardsComment

Elastic modulus

73.0 GPa

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T851

AA Standards, ASTM B209, ASTM B211

Elongation

-195 °C

8 %

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T851

Elongation in 50 mm

-80 °C

7 %

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T851

Elongation in 50 mm

4.0 %

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T851

AA Standards, ASTM B209, ASTM B211

A100

4.3 %

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T851

5.0 %

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T851

AA Standards, ASTM B209

A50

5.0 %

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T851

0 °C

7 %

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T851

Elongation in 50 mm

24 °C

7 %

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T851

Elongation in 50 mm

100 °C

8 %

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T851

Elongation in 50 mm

150 °C

11 %

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T851

Elongation in 50 mm

205 °C

23 %

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T851

Elongation in 50 mm

260 °C

55 %

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T851

Elongation in 50 mm

315 °C

75 %

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T851

Elongation in 50 mm

370 °C

100 %

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T851

Elongation in 50 mm

Plane-Strain Fracture Toughnes

-196 °C

24.4 MPa·√m

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T851

For plate in T-L direction

26.4 MPa·√m

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T851

24 °C

22.3 MPa·√m

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T851

For plate in T-L direction

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Poisson's ratio

0.33 [-]

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Typical for Wrought 2000 Series Aluminium

Shear modulus

28.0 GPa

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T851

Tensile strength

-195 °C

585 MPa

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T851

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

510 MPa

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T851

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

455.0 MPa

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T851

AA Standards, ASTM B209, ASTM B211

460.0 MPa

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T851

AA Standards, ASTM B209

0 °C

503 MPa

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T851

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

530.0 MPa

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T851

24 °C

483 MPa

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T851

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

455 MPa

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T851

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

380 MPa

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T851

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

185 MPa

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T851

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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T851

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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T851

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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T851

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

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Yield strength

-195 °C

538 MPa

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T851

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

476 MPa

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T851

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

395.0 MPa

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T851

AA Standards, ASTM B209

RP02

400.0 MPa

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T851

AA Standards, ASTM B209, ASTM B211

RP02

400.0 MPa

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T851

460.0 MPa

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T851

0 °C

469 MPa

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T851

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

448 MPa

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T851

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

427 MPa

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T851

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

338 MPa

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T851

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

138 MPa

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T851

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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T851

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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T851

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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T851

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

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Thermal

PropertyTemperatureValueConditionRelated Standards

Coefficient of thermal expansion

2.3e-05 1/K

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T851

20 °C

2.3199999999999998e-05 1/K

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T851

AA Standards, ASTM B209, ASTM B211

100 °C

2.3199999999999998e-05 1/K

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T851

AA Standards, ASTM B209, ASTM B211

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Melting point

500.0 °C

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T851

502.0 °C

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T851

505.0 - 635.0 °C

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T851

AA Standards, ASTM B209, ASTM B211

Specific heat capacity

870.0 J/(kg·K)

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T851

Thermal conductivity

120.0 W/(m·K)

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T851

121.0 - 193.0 W/(m·K)

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T851

AA Standards, ASTM B209, ASTM B211

Electrical

PropertyValueConditionRelated Standards

Electrical conductivity

17000000.0 - 29000000.0 S/m

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T851

AA Standards, ASTM B209, ASTM B211

Electrical resistivity

3.45e-08 - 5.88e-08 Ω·m

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T851

AA Standards, ASTM B209, ASTM B211

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

90.7 - 94.7 %

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T851

Chromium

0.1 %

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T851

AA Standards, ASTM B209, ASTM B211

Copper

3.8 - 4.9 %

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T851

AA Standards, ASTM B209, ASTM B211

Iron

0.50 %

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T851

AA Standards, ASTM B209, ASTM B211

0.5 %

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T851

Magnesium

1.2 - 1.8 %

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T851

AA Standards, ASTM B209, ASTM B211

Manganese

0.3 - 0.9 %

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T851

AA Standards, ASTM B209, ASTM B211

Other

0.15 %

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T851

Silicon

0.5 %

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T851

AA Standards, ASTM B209, ASTM B211

Titanium

0.15 %

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T851

AA Standards, ASTM B209, ASTM B211

Zinc

0.25 %

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T851

AA Standards, ASTM B209, ASTM B211

Zirconium

0.2 %

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T851

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)