WL 3.4144-1 Grade 3.4144 T74

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Description

DIN 3.4144 is a heat treatable alloy that has very high mechanical properties and high fracture toughness. Popular with the aerospace industry, DIN 3.4144 offers good stress and corrosion cracking resistance and high strength at subzero temperatures.

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

135.0 [-]

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T74

WL 3.4144-1

Forging

Transverse

20.0 °C

135.0 [-]

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T74

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Forging

Elongación

20.0 °C

2.0 %

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T74

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Forging

Transverse

20.0 °C

3.0 %

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T74

WL 3.4144-1

Forging

Transverse

20.0 °C

4.0 %

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T74

WL 3.4144-1

Forging

Transverse

20.0 °C

5.0 %

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T74

WL 3.4144-1

Forging

Transverse

20.0 °C

7.0 %

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T74

WL 3.4144-1

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

20.0 °C

25.6 - 37.9 MPa·√m

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T74

WL 3.4144-1

Forging

20.0 °C

25.6 MPa·√m

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T74

WL 3.4144-1

Forging

20.0 °C

25.6 - 26.2 MPa·√m

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T74

WL 3.4144-1

Forging

20.0 °C

26.2 - 37.9 MPa·√m

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T74

WL 3.4144-1

Forging

20.0 °C

26.2 MPa·√m

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T74

WL 3.4144-1

Forging

20.0 °C

37.9 MPa·√m

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T74

WL 3.4144-1

Forging

Resistencia a la tracción

20.0 °C

445.0 MPa

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T74

WL 3.4144-1

Forging

Transverse

20.0 °C

455.0 MPa

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T74

WL 3.4144-1

Forging

Transverse

20.0 °C

460.0 MPa

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T74

WL 3.4144-1

Forging

Transverse

20.0 °C

470.0 MPa

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T74

WL 3.4144-1

Forging

Transverse

20.0 °C

475.0 MPa

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T74

WL 3.4144-1

Forging

Transverse

20.0 °C

480.0 MPa

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T74

WL 3.4144-1

Forging

20.0 °C

490.0 MPa

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T74

WL 3.4144-1

Forging

20.0 °C

495.0 MPa

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T74

WL 3.4144-1

Forging

Aplicaciones térmicas

PropertyTemperatureValueConditionRelated StandardsShapeComment

Calor específico

100.0 °C

963.0 J/(kg·K)

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T74

WL 3.4144-1

Forging

Coeficiente de dilatación térmica

100.0 °C

2.3e-05 1/K

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T74

WL 3.4144-1

Forging

200.0 °C

2.43e-05 1/K

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T74

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300.0 °C

2.52e-05 1/K

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T74

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Forging

Conductividad térmica

25.0 °C

157.0 W/(m·K)

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T74

WL 3.4144-1

Forging

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

Circonio

0.08 - 0.15 %

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T74

WL 3.4144-1

Forging

Cobre

2.0 - 2.6 %

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T74

WL 3.4144-1

Forging

Cromo

0.04

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T74

WL 3.4144-1

Forging

Hierro

0.15

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T74

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Forging

Magnesio

1.9 - 2.6 %

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T74

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Forging

Manganeso

0.1

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T74

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Silicona

0.12

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T74

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Forging

Titanio

0.06

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T74

WL 3.4144-1

Forging

Zinc

5.7 - 6.7 %

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T74

WL 3.4144-1

Forging

Technological properties

Property
Brazing

Excellent