AA 7075 T7

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Description

AA 7075 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.

Equivalent Materials

This material data has been provided by MakeItFrom.com.

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

PropertyValueCondition

Density

3.1 g/cm³

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T7

Mechanical

PropertyValueConditionComment

Elastic modulus

72.0 GPa

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T7

Elongation

9.3 %

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T7

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

26.4 - 27.1 GPa

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Typical for Wrought 7000 Series Aluminium

Tensile strength

510.0 MPa

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T7

Yield strength

410.0 MPa

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T7

Thermal

PropertyValueCondition

Coefficient of thermal expansion

2.3e-05 1/K

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T7

Melting point

480.0 °C

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T7

Specific heat capacity

910.0 J/(kg·K)

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T7

Thermal conductivity

130.0 W/(m·K)

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T7

Electrical

PropertyValueComment

Electrical conductivity

18000000.0 - 34000000.0 S/m

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Typical for Wrought 7000 Series Aluminium

Electrical resistivity

2.9e-08 - 5.6e-08 Ω·m

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Typical for Wrought 7000 Series Aluminium

Chemical properties

PropertyValueCondition

Aluminium

86.9 - 91.4 %

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T7

Chromium

0.18 - 0.28 %

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T7

Copper

1.2 - 2.0 %

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T7

Iron

0.5 %

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T7

Magnesium

2.1 - 2.9 %

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T7

Manganese

0.3 %

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T7

Other

0.15 %

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T7

Silicon

0.4 %

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T7

Titanium

0.2 %

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T7

Zinc

5.1 - 6.1 %

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T7

Zirconium

0.25 %

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T7

Technological properties

Property
Brazing

Excellent