WL 3.4334-1 Grade 3.4334 T74

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Description

Material 3.4334 acc.to material specification of German Aviation WL 3.4334, part 1, edition 03.90, WL 3.4334, part 2, edition. 03.90 and WL 3.4334, part 100, edition. 03.90 is in its chemical composition similar to the materials 3.4364 (aviation mat.) and 3.4365 (AlZnMgCu1,5) acc. to DIN 1725/01, edition 02.83. It is used in the form of forged parts in heat-treatment conditions T74 and T7452. In comparison to forged parts of 3.4364 (AlZnMgCu1,5) forged parts of 3.4334T74bzw T7452 have a higher strength and comparable or higher vibration resistance and fracture toughness at concomitant favorable corrosion and stress corrosion resistance. The material is unusable for fusion-welding. Resistance welding is possible. Alloy 3.4334 is used in aircraft construction for fittings and landing gears.

Related Standards

Equivalent Materials

Los datos sobre este material han sido proporcionados por WIAM.

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

PropertyValueComment

Densidad

2.7 - 2.85 g/cm³

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Typical for Wrought 7000 Series Aluminium

Mecánica

PropertyTemperatureValueConditionRelated StandardsShapeComment

Coeficiente de Poisson

0.33 [-]

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Typical for Wrought 7000 Series Aluminium

Dureza Brinell

20.0 °C

140.0 [-]

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T74

WL 3.4334-1

Forging

Transverse

20.0 °C

140.0 [-]

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T74

WL 3.4334-1

Forging

Elongación

20.0 °C

4.0 %

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T74

WL 3.4334-1

Forging

Transverse

20.0 °C

5.0 %

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T74

WL 3.4334-1

Forging

Transverse

20.0 °C

7.0 %

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T74

WL 3.4334-1

Forging

20.0 °C

8.0 %

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T74

WL 3.4334-1

Forging

20.0 °C

9.0 %

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T74

WL 3.4334-1

Forging

Módulo de cizallamiento

26.4 - 27.1 GPa

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Typical for Wrought 7000 Series Aluminium

Módulo elástico

69.0 - 72.0 GPa

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Typical for Wrought 7000 Series Aluminium

Plane-Strain Fracture Toughnes

22.0 - 35.0 MPa·√m

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Typical for Wrought 7000 Series Aluminium

Resistencia a la tracción

20.0 °C

435.0 MPa

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T74

WL 3.4334-1

Forging

Transverse

20.0 °C

440.0 MPa

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T74

WL 3.4334-1

Forging

Transverse

20.0 °C

450.0 MPa

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T74

WL 3.4334-1

Forging

Transverse

20.0 °C

450.0 MPa

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T74

WL 3.4334-1

Forging

20.0 °C

455.0 MPa

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T74

WL 3.4334-1

Forging

Transverse

20.0 °C

460.0 MPa

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T74

WL 3.4334-1

Forging

Transverse

20.0 °C

470.0 MPa

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T74

WL 3.4334-1

Forging

Transverse

20.0 °C

470.0 MPa

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T74

WL 3.4334-1

Forging

20.0 °C

475.0 MPa

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T74

WL 3.4334-1

Forging

Transverse

20.0 °C

485.0 MPa

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T74

WL 3.4334-1

Forging

Transverse

20.0 °C

485.0 MPa

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T74

WL 3.4334-1

Forging

20.0 °C

490.0 MPa

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T74

WL 3.4334-1

Forging

Transverse

20.0 °C

490.0 MPa

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T74

WL 3.4334-1

Forging

20.0 °C

505.0 MPa

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T74

WL 3.4334-1

Forging

20.0 °C

525.0 MPa

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T74

WL 3.4334-1

Forging

Aplicaciones térmicas

PropertyValueComment

Calor específico

795.0 - 1050.0 J/(kg·K)

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Typical for Wrought 7000 Series Aluminium

Coeficiente de dilatación térmica

2.1e-05 - 2.4e-05 1/K

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Typical for Wrought 7000 Series Aluminium

Conductividad térmica

121.0 - 170.0 W/(m·K)

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Typical for Wrought 7000 Series Aluminium

Temperatura de fusión

465.0 - 655.0 °C

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Typical for Wrought 7000 Series Aluminium

Eléctrico

PropertyValueComment

Conductividad eléctrica

18000000.0 - 34000000.0 S/m

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Typical for Wrought 7000 Series Aluminium

Resistividad eléctrica

2.9e-08 - 5.6e-08 Ω·m

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Typical for Wrought 7000 Series Aluminium

Chemical properties

PropertyValueConditionRelated StandardsShape

Cobre

1.2 - 2.0 %

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T74

WL 3.4334-1

Forging

Cromo

0.18 - 0.28 %

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T74

WL 3.4334-1

Forging

Hierro

0.2

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T74

WL 3.4334-1

Forging

Magnesio

2.1 - 2.9 %

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T74

WL 3.4334-1

Forging

Manganeso

0.1

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T74

WL 3.4334-1

Forging

Silicona

0.15

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T74

WL 3.4334-1

Forging

Titanio

0.1

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T74

WL 3.4334-1

Forging

Zinc

5.1 - 6.1 %

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T74

WL 3.4334-1

Forging

Technological properties

Property
Brazing

Excellent