WL 3.4384 Grade 3.4384 T7351

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Description

The material is comparable to WL 3.4364, but it has a higher fracture toughness. The resistance to stress corrosion, exfoliation corrosion and intercrystalline corrosion is good. It is not suitable for fusion welding.

Related Standards

Equivalent Materials

Ashby charts

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Properties

General

Density

ρ

2.8 g/cm³ at 20 °C

Dimension

Dimensions

Dicke

Mechanical

Bulk Modulus

K

73 GPa at 20 °C

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Elastic modulus

E

71 GPa at 20 °C

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Elongation

A

6 - 7 % at 20 °C

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Elongation A50

A50

6 - 7 % at 20 °C

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Hardness, Brinell

HB

130 [-] at 20 °C

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Plane-Strain Fracture Toughnes

KIC

27.5 - 50.5 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

420 - 480 MPa at 20 °C

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Yield Strength Rp0.2, short transverse

Rp0.2,shorttrans_

325 - 360 MPa at 20 °C

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Yield strength Rp0.2

Rp0.2

340 - 390 MPa at 20 °C

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Thermal

Coefficient of thermal expansion

α

2.34E-5 1/K at 20 °C

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Melting point

Tm

480 - 640 °C

Specific heat capacity

cp

880 J/(kg·K) at 20 °C

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Thermal conductivity

λ

168 W/(m·K) at 20 °C

Electrical

Electrical conductivity

σel

2.40E+7 S/m at 20 °C

Electrical resistivity

ρel

4.17E-8 Ω·m at 20 °C

Chemical properties

Element

Weight %

Comment

Other

-

Rest Al

Zn

5.2 - 6.2 %

Mg

1.9 - 2.6 %

Cu

1.2 - 1.9 %

Cr

0.18 - 0.25 %

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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.