EN 573-3 Grade 3.4365 T73511

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Description

DIN 3.4365 is a high-strength alloy that offers good stress-corrosion cracking resistance. Known as a mainstay in the aerospace industry since it was introduced, Aluminum 7075 brings moderate toughness as well as an excellent strength-to-weight ratio. It is also important to note that at sub-zero temperatures Aluminum 7075 increases in strength.

Related Standards

Equivalent Materials

This material data has been provided by 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 Standards

Density

2.8 g/cm³

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T73511

EN 573-3, EN 754, EN 755

Mechanical

PropertyValueConditionRelated StandardsComment

Elastic modulus

72.0 GPa

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T73511

EN 573-3, EN 754, EN 755

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

27.1 GPa

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EN 573-3, EN 754, EN 755

Tensile strength

455.0 MPa

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EN 573-3, EN 754

475.0 MPa

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EN 573-3, EN 755

470.0 MPa

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EN 573-3, EN 755

485.0 MPa

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EN 573-3, EN 755

440.0 MPa

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EN 573-3, EN 755

Thermal

PropertyTemperatureValueConditionRelated Standards

Coefficient of thermal expansion

300 °C, 20 °C

2.52e-05 1/K

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T73511

EN 573-3, EN 754, EN 755

200 °C, 20 °C

2.43e-05 1/K

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EN 573-3, EN 754, EN 755

100 °C, 20 °C

2.3399999999999996e-05 1/K

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T73511

EN 573-3, EN 754, EN 755

20 °C, -50 °C

2.16e-05 1/K

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EN 573-3, EN 754, EN 755

Melting point

480.0 - 640.0 °C

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EN 573-3, EN 754, EN 755

Specific heat capacity

862.0 J/(kg·K)

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EN 573-3, EN 754, EN 755

Thermal conductivity

130.0 - 160.0 W/(m·K)

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T73511

EN 573-3, EN 754, EN 755

Electrical

PropertyValueConditionRelated Standards

Electrical conductivity

19000000.0 - 23000000.0 S/m

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T73511

EN 573-3, EN 754, EN 755

Electrical resistivity

4.35e-08 - 5.26e-08 Ω·m

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T73511

EN 573-3, EN 754, EN 755

Chemical properties

PropertyValueConditionRelated Standards

Chromium

0.18 - 0.28 %

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EN 573-3, EN 754, EN 755

Copper

1.2 - 2.0 %

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EN 573-3, EN 754, EN 755

Iron

0.50 %

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EN 573-3, EN 754, EN 755

Magnesium

2.1 - 2.9 %

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EN 573-3, EN 754, EN 755

Manganese

0.3 %

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EN 573-3, EN 754, EN 755

Silicon

0.4 %

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T73511

EN 573-3, EN 754, EN 755

Titanium

0.2 %

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EN 573-3, EN 754, EN 755

Zinc

5.1 - 6.1 %

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T73511

EN 573-3, EN 754, EN 755

Technological properties

Property
Anodizing

decorative: not suitable, Protective: acceptable

Brazing

hard brazing (with flux/ without flux): not suitable / not suitable, friction soldering: not suitable, soft brazing with flux: not suitable

Corrosion properties

Seawater: sufficient to poor, weathering: sufficient to poor

Workability

Bending / Spinning (cold): sufficient (O) / not suitable, Impact extrusion (cold): not suitable, Deep drawing / upsetting (Condition) not suitable / not suitable