AA Standards Grade 2024 T81

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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

Los datos sobre este material han sido proporcionados por AluKey,MakeItFrom.com,ASM Handbook Volume 2 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials,WroughtAl_ElectricalResistivity.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

PropertyValueConditionRelated Standards

Densidad

2.78 g/cm³

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T81

AA Standards, ASTM B209, ASTM B241

2.78 g/cm³

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T81

3.0 g/cm³

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T81

Mecánica

PropertyTemperatureValueConditionRelated StandardsComment

Coeficiente de Poisson

0.33 [-]

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Typical for Wrought 2000 Series Aluminium

Elongación

-195 °C

8 %

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T81

Elongation in 50 mm

-80 °C

7 %

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T81

Elongation in 50 mm

4.0 %

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T81

AA Standards, ASTM B241

A50

4.0 %

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T81

AA Standards, ASTM B241

A100

5.0 %

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T81

AA Standards, ASTM B209, ASTM B241

A50

5.2 %

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T81

0 °C

7 %

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T81

Elongation in 50 mm

24 °C

7 %

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T81

Elongation in 50 mm

100 °C

8 %

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T81

Elongation in 50 mm

150 °C

11 %

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T81

Elongation in 50 mm

205 °C

23 %

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T81

Elongation in 50 mm

260 °C

55 %

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T81

Elongation in 50 mm

315 °C

75 %

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T81

Elongation in 50 mm

370 °C

100 %

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T81

Elongation in 50 mm

Límite elástico

-195 °C

538 MPa

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T81

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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T81

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

385.0 MPa

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T81

AA Standards, ASTM B241

RP02

400.0 MPa

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T81

AA Standards, ASTM B209, ASTM B241

RP02

450.0 MPa

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T81

0 °C

469 MPa

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T81

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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T81

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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T81

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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T81

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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T81

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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T81

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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T81

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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T81

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

Módulo de cizallamiento

28.0 GPa

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T81

Módulo elástico

73.0 GPa

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T81

AA Standards, ASTM B209, ASTM B241

Plane-Strain Fracture Toughnes

22.0 - 35.0 MPa·√m

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Typical for Wrought 2000 Series Aluminium

Resistencia a la tracción

-195 °C

585 MPa

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T81

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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T81

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

440.0 MPa

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T81

AA Standards, ASTM B241

455.0 MPa

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T81

AA Standards, ASTM B241

460.0 MPa

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T81

AA Standards, ASTM B209

0 °C

503 MPa

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T81

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

520.0 MPa

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T81

24 °C

483 MPa

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T81

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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T81

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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T81

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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T81

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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T81

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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T81

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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T81

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

Aplicaciones térmicas

PropertyTemperatureValueConditionRelated Standards

Calor específico

870.0 J/(kg·K)

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T81

Coeficiente de dilatación térmica

2.3e-05 1/K

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T81

20 °C

2.3199999999999998e-05 1/K

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T81

AA Standards, ASTM B209, ASTM B241

100 °C

2.3199999999999998e-05 1/K

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T81

AA Standards, ASTM B209, ASTM B241

Conductividad térmica

120.0 W/(m·K)

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T81

121.0 - 193.0 W/(m·K)

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T81

AA Standards, ASTM B209, ASTM B241

Temperatura de fusión

500.0 °C

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T81

505.0 - 635.0 °C

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T81

AA Standards, ASTM B209, ASTM B241

Eléctrico

PropertyValueConditionRelated StandardsComment

Conductividad eléctrica

17000000.0 - 29000000.0 S/m

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T81

AA Standards, ASTM B209, ASTM B241

22000000 S/m

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T81

Typical/derived value

Resistividad eléctrica

3.45e-08 - 5.88e-08 Ω·m

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T81

AA Standards, ASTM B209, ASTM B241

4.5e-08 Ω·m

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T81

Typical value

Specific Electrical conductivity

38.0 % IACS

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T81

Typical value

Chemical properties

PropertyValueConditionRelated Standards

Aluminio

90.7 - 94.7 %

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T81

Circonio

0.2 %

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T81

Cobre

3.8 - 4.9 %

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T81

AA Standards, ASTM B209, ASTM B241

Cromo

0.1 %

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T81

AA Standards, ASTM B209, ASTM B241

Hierro

0.50 %

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T81

AA Standards, ASTM B209, ASTM B241

0.5 %

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T81

Magnesio

1.2 - 1.8 %

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T81

AA Standards, ASTM B209, ASTM B241

Manganeso

0.3 - 0.9 %

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T81

AA Standards, ASTM B209, ASTM B241

Otro

0.15 %

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T81

Silicona

0.5 %

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T81

AA Standards, ASTM B209, ASTM B241

Titanio

0.15 %

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T81

AA Standards, ASTM B209, ASTM B241

Zinc

0.25 %

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T81

AA Standards, ASTM B209, ASTM B241

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)