AA Standards Grade 2024 T81

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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.

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

PropertyTemperatureValue

Density

23.0 °C

2.78 - 3 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

73 GPa

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Elongation

-195.0 °C

8 %

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Elongation in 50 mm

-80.0 °C

7 %

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Elongation in 50 mm

0.0 °C

7 %

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Elongation in 50 mm

23.0 °C

5.2 %

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Elongation in 50 mm

24.0 °C

7 %

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Elongation in 50 mm

100.0 °C

8 %

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Elongation in 50 mm

150.0 °C

11 %

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Elongation in 50 mm

205.0 °C

23 %

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Elongation in 50 mm

260.0 °C

55 %

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Elongation in 50 mm

315.0 °C

75 %

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Elongation in 50 mm

370.0 °C

100 %

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Elongation in 50 mm

Elongation A100

23.0 °C

4 %

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Elongation A50

23.0 °C

4 - 5 %

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Plane-Strain Fracture Toughnes

23.0 °C

22 - 35 MPa·√m

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Typical for Wrought 2000 Series Aluminium

Poisson's ratio

23.0 °C

0.33 [-]

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Typical for Wrought 2000 Series Aluminium

Shear modulus

23.0 °C

28 GPa

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Tensile strength

-195.0 °C

585 MPa

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

-80.0 °C

510 MPa

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

0.0 °C

503 MPa

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

23.0 °C

440 - 520 MPa

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

24.0 °C

483 MPa

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

100.0 °C

455 MPa

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

150.0 °C

380 MPa

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

205.0 °C

185 MPa

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

260.0 °C

75 MPa

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

315.0 °C

52 MPa

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

370.0 °C

35 MPa

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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

23.0 °C

450 MPa

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Yield strength Rp0.2

-195.0 °C

538 MPa

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

-80.0 °C

476 MPa

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

0.0 °C

469 MPa

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

23.0 °C

385 - 400 MPa

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

24.0 °C

448 MPa

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

100.0 °C

427 MPa

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

150.0 °C

338 MPa

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

205.0 °C

138 MPa

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

260.0 °C

62 MPa

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

315.0 °C

41 MPa

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

370.0 °C

28 MPa

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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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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

20.0 °C

2.32E-5 1/K

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23.0 °C

2.3E-5 1/K

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100.0 °C

2.32E-5 1/K

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Melting point

500 - 635 °C

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Specific heat capacity

23.0 °C

870 J/(kg·K)

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Thermal conductivity

23.0 °C

120 - 193 W/(m·K)

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Electrical

PropertyTemperatureValueComment

Electrical conductivity

23.0 °C

1.70E+7 - 2.90E+7 S/m

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Typical/derived value

Electrical resistivity

23.0 °C

3.45E-8 - 5.88E-8 Ω·m

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Typical value

Specific Electrical conductivity

38 % IACS

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Typical value

Chemical properties

PropertyValueComment

Aluminium

90.7 - 94.7 %

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Chromium

0 - 0.1 %

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Copper

3.8 - 4.9 %

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Iron

0 - 0.5 %

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Magnesium

1.2 - 1.8 %

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Manganese

0.3 - 0.9 %

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Other

0 - 0.15 %

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each 0.05, total 0.15, Rest Al

Silicon

0 - 0.5 %

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Titanium

0 - 0.15 %

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Zinc

0 - 0.25 %

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Zirconium

0 - 0.2 %

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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)