WL 3.4394 Grade 3.4394 T74

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Description

The high-strength material has a high fracture toughness also for larger thicknesses and resistance to stress corrosion also in the ST direction and exfoliation corrosion. It has a low distortion post machining. Application: integral and fittings of larger dimensions

Related Standards

Equivalent Materials

This material data has been provided by WIAM,AluKey.

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 StandardsShape

Density

2.82 g/cm³

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T74

WL 3.4394

Sheet, Strip, Bar, Wire

Mechanical

PropertyTemperatureValueConditionRelated StandardsShapeComment

Elastic modulus

70.0 GPa

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T74

WL 3.4394

Sheet, Strip, Bar, Wire

Elongation

7.0 %

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T74

WL 3.4394

Sheet, Strip, Bar, Wire

A50

20.0 °C

7.0 %

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T74

WL 3.4394

Forging

Hardness, Brinell

135.0 [-]

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T74

WL 3.4394

Sheet, Strip, Bar, Wire

20.0 °C

135.0 [-]

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T74

WL 3.4394

Forging

Plane-Strain Fracture Toughnes

22.0 - 35.0 MPa·√m

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Typical for Wrought 7000 Series Aluminium

Poisson's ratio

0.33 [-]

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Typical for Wrought 7000 Series Aluminium

Shear modulus

27.0 GPa

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T74

WL 3.4394

Sheet, Strip, Bar, Wire

Tensile strength

480.0 MPa

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T74

WL 3.4394

Sheet, Strip, Bar, Wire

485.0 MPa

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T74

WL 3.4394

Sheet, Strip, Bar, Wire

490.0 MPa

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T74

WL 3.4394

Sheet, Strip, Bar, Wire

500.0 MPa

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T74

WL 3.4394

Sheet, Strip, Bar, Wire

20.0 °C

480.0 MPa

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T74

WL 3.4394

Forging

20.0 °C

485.0 MPa

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T74

WL 3.4394

Forging

20.0 °C

490.0 MPa

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T74

WL 3.4394

Forging

20.0 °C

500.0 MPa

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T74

WL 3.4394

Forging

Thermal

PropertyValueComment

Coefficient of thermal expansion

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

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Typical for Wrought 7000 Series Aluminium

Melting point

465.0 - 655.0 °C

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Typical for Wrought 7000 Series Aluminium

Specific heat capacity

795.0 - 1050.0 J/(kg·K)

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Typical for Wrought 7000 Series Aluminium

Thermal conductivity

121.0 - 170.0 W/(m·K)

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Typical for Wrought 7000 Series Aluminium

Electrical

PropertyValueConditionRelated StandardsShape

Electrical conductivity

23000000.0 - 25000000.0 S/m

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T74

WL 3.4394

Sheet, Strip, Bar, Wire

Electrical resistivity

4e-08 - 4.35e-08 Ω·m

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T74

WL 3.4394

Sheet, Strip, Bar, Wire

Chemical properties

PropertyValueConditionRelated StandardsShape

Chromium

0.05 %

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T74

WL 3.4394

Forging, Sheet, Strip, Bar, Wire

Copper

1.5 - 2.0 %

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T74

WL 3.4394

Forging, Sheet, Strip, Bar, Wire

Iron

0.15 %

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T74

WL 3.4394

Forging

0.15 %

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T74

WL 3.4394

Sheet, Strip, Bar, Wire

Magnesium

2.1 - 2.6 %

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T74

WL 3.4394

Forging, Sheet, Strip, Bar, Wire

Manganese

0.1 %

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T74

WL 3.4394

Forging, Sheet, Strip, Bar, Wire

Nickel

0.05 %

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T74

WL 3.4394

Forging, Sheet, Strip, Bar, Wire

Silicon

0.12 %

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T74

WL 3.4394

Forging, Sheet, Strip, Bar, Wire

Titanium

0.06 %

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T74

WL 3.4394

Forging, Sheet, Strip, Bar, Wire

Zinc

5.7 - 6.7 %

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T74

WL 3.4394

Forging, Sheet, Strip, Bar, Wire

Zirconium

0.1 - 0.16 %

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T74

WL 3.4394

Forging, Sheet, Strip, Bar, Wire

Technological properties

Property
Brazing

Excellent