AA Standards Grade 7075 T73511

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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.

Related Standards

Equivalent Materials

This material data has been provided by AluKey,MakeItFrom.com,Righton Blackburns.

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

3.1 g/cm³

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T73511

2.81 g/cm³

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T73511

BS L160

Bar

Mechanical

PropertyValueConditionRelated StandardsShapeComment

Elastic modulus

72.0 GPa

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T73511

BS L160

Bar

Elongation

6.0 %

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T73511

AA Standards, ASTM B221

A100

7.0 %

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T73511

AA Standards, ASTM B221

A100

7.0 %

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T73511

AA Standards, ASTM B221

A50

8.0 %

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T73511

AA Standards, ASTM B221

A50

8.1 %

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T73511

7.0 - 8.0 %

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T73511

BS L160

Bar

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

450.0 MPa

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T73511

AA Standards, ASTM B221

470.0 MPa

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T73511

AA Standards, ASTM B221

475.0 MPa

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T73511

AA Standards, ASTM B221

485.0 MPa

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T73511

AA Standards, ASTM B221

510.0 MPa

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T73511

425.0 - 485.0 MPa

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T73511

BS L160

Bar

Yield strength

380.0 MPa

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T73511

AA Standards, ASTM B221

RP02

400.0 MPa

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T73511

AA Standards, ASTM B221

RP02

395.0 MPa

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T73511

AA Standards, ASTM B221

RP02

405.0 MPa

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T73511

AA Standards, ASTM B221

RP02

420.0 MPa

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T73511

AA Standards, ASTM B221

RP02

365.0 - 420.0 MPa

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T73511

BS L160

Bar

RP02

430.0 MPa

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T73511

Thermal

PropertyValueConditionRelated StandardsShape

Coefficient of thermal expansion

2.3e-05 1/K

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T73511

2.35e-05 1/K

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T73511

BS L160

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Melting point

480.0 °C

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T73511

635.0 °C

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T73511

BS L160

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Specific heat capacity

910.0 J/(kg·K)

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T73511

Thermal conductivity

130.0 W/(m·K)

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T73511

134.0 - 160.0 W/(m·K)

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T73511

BS L160

Bar

Electrical

PropertyValueConditionRelated StandardsShapeComment

Electrical conductivity

18000000.0 - 34000000.0 S/m

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Typical for Wrought 7000 Series Aluminium

Electrical resistivity

4.31e-08 Ω·m

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T73511

BS L160

Bar

Chemical properties

PropertyValueConditionRelated StandardsShapeComment

Aluminium

86.9 - 91.4 %

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T73511

Chromium

0.18 - 0.28 %

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T73511

AA Standards, ASTM B221, BS L160

Bar

Copper

1.2 - 2.0 %

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T73511

AA Standards, ASTM B221, BS L160

Bar

Iron

0.50 %

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T73511

AA Standards, ASTM B221

0.5 %

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T73511

BS L160

Bar

Magnesium

2.1 - 2.9 %

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T73511

AA Standards, ASTM B221, BS L160

Bar

Manganese

0.3 %

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T73511

AA Standards, ASTM B221, BS L160

Bar

Other

0.15 %

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T73511

BS L160

Bar

Total

Silicon

0.4 %

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T73511

AA Standards, ASTM B221, BS L160

Bar

Titanium

0.2 %

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T73511

AA Standards, ASTM B221, BS L160

Bar

Zinc

5.1 - 6.1 %

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T73511

AA Standards, ASTM B221, BS L160

Bar

Zirconium

0.25 %

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T73511

BS L160

Bar

Ti + Zr

Technological properties

Property
Application areas

Aerospace

Brazing

general: no brazing is known or developed

Corrosion properties

Stress corrosion cracking: Operational damage in areas with tensile stresses transverse to the grain structure, limited damage to laboratory samples, general: good, without protection in industrial or seawater atmosphere

General machinability

General: poor (O), good to acceptable

Workability

general (condition): not suitable