AA Standards Grade 7075 T7352

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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,ASM Handbook Volume 2 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials,WroughtAl_ElectricalResistivity.

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

2.81 g/cm³

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T7352

3.1 g/cm³

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Mechanical

PropertyValueConditionRelated StandardsComment

Elastic modulus

72.0 GPa

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T7352

Elongation

1.0 %

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AA Standards, ASTM B247

A100

2.0 %

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AA Standards, ASTM B247

A50

2.0 %

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AA Standards, ASTM B247

A100

3.0 %

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T7352

AA Standards, ASTM B247

A50

3.0 %

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T7352

AA Standards, ASTM B247

A100

3.2 %

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T7352

5.0 %

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AA Standards, ASTM B247

A100

6.0 %

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T7352

AA Standards, ASTM B247

A100

7.0 %

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T7352

AA Standards, ASTM B247

A50

Plane-Strain Fracture Toughnes

28 MPa·√m

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For forging in T-L direction

30 MPa·√m

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For forging in T-L direction

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

395.0 MPa

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T7352

AA Standards, ASTM B247

400.0 MPa

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T7352

AA Standards, ASTM B247

405.0 MPa

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T7352

AA Standards, ASTM B247

415.0 MPa

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T7352

AA Standards, ASTM B247

420.0 MPa

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AA Standards, ASTM B247

425.0 MPa

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T7352

AA Standards, ASTM B247

435.0 MPa

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T7352

AA Standards, ASTM B247

440.0 MPa

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AA Standards, ASTM B247

455.0 MPa

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AA Standards, ASTM B247

470.0 MPa

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T7352

Yield strength

305.0 MPa

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T7352

AA Standards, ASTM B247

RP02

315.0 MPa

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T7352

AA Standards, ASTM B247

RP02

330.0 MPa

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T7352

AA Standards, ASTM B247

RP02

340.0 MPa

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T7352

AA Standards, ASTM B247

RP02

345.0 MPa

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T7352

AA Standards, ASTM B247

RP02

350.0 MPa

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T7352

AA Standards, ASTM B247

RP02

360.0 MPa

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T7352

AA Standards, ASTM B247

RP02

365.0 MPa

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T7352

AA Standards, ASTM B247

RP02

370.0 MPa

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T7352

AA Standards, ASTM B247

RP02

385.0 MPa

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T7352

AA Standards, ASTM B247

RP02

390.0 MPa

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T7352

Thermal

PropertyValueCondition

Coefficient of thermal expansion

2.3e-05 1/K

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T7352

Melting point

480.0 °C

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T7352

Specific heat capacity

910.0 J/(kg·K)

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T7352

Thermal conductivity

130.0 W/(m·K)

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T7352

Electrical

PropertyValueConditionComment

Electrical conductivity

23000000 S/m

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T7352

Typical/derived value

Electrical resistivity

4.3099999999999996e-08 Ω·m

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Typical value

Specific Electrical conductivity

40.0 % IACS

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Typical value

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

86.9 - 91.4 %

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Chromium

0.18 - 0.28 %

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AA Standards, ASTM B247

Copper

1.2 - 2.0 %

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AA Standards, ASTM B247

Iron

0.50 %

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AA Standards, ASTM B247

0.5 %

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Magnesium

2.1 - 2.9 %

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AA Standards, ASTM B247

Manganese

0.3 %

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AA Standards, ASTM B247

Other

0.15 %

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Silicon

0.4 %

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AA Standards, ASTM B247

Titanium

0.2 %

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AA Standards, ASTM B247

Zinc

5.1 - 6.1 %

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AA Standards, ASTM B247

Zirconium

0.25 %

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Technological properties

Property
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