WL 3.4394 Grade 3.4394 T7451

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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

Ashby charts

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Properties

General

Density

ρ

2.82 g/cm³ at 20 °C

Dimension

Dimensions

Dicke

Mechanical

Elastic modulus

E

70 GPa at 20 °C

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Elongation

A

8 - 9 % at 20 °C

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Elongation A50

A50

8 - 9 % at 20 °C

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Hardness, Brinell

HB

135 [-] at 20 °C

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Plane-Strain Fracture Toughnes

KIC

24 - 41.5 MPa·√m at 20 °C

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Poisson's ratio

ν

0.33 [-] at 20 °C

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Typical for Wrought 7000 Series Aluminium

Shear modulus

G

27 GPa at 20 °C

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Tensile strength

Rm

455 - 490 MPa at 20 °C

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Yield Strength Rp0.2, short transverse

Rp0.2,shorttrans_

365 - 405 MPa at 20 °C

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Yield strength Rp0.2

Rp0.2

390 - 435 MPa at 20 °C

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Thermal

Coefficient of thermal expansion

α

2.1E-5 - 2.4E-5 1/K at 20 °C

Typical for Wrought 7000 Series Aluminium

Specific heat capacity

cp

795 - 1050 J/(kg·K) at 20 °C

Typical for Wrought 7000 Series Aluminium

Thermal conductivity

λ

121 - 170 W/(m·K) at 20 °C

Typical for Wrought 7000 Series Aluminium

Electrical

Electrical conductivity

σel

2.30E+7 - 2.50E+7 S/m at 20 °C

Electrical resistivity

ρel

4E-8 - 4.35E-8 Ω·m at 20 °C

Chemical properties

Element

Weight %

Comment

Other

-

Rest Al

Zn

5.7 - 6.7 %

Mg

2.1 - 2.6 %

Cu

1.5 - 2 %

Fe

0.15 %

More

Technological properties

Brazing

Excellent

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.