AA Standards Grade 7075 T7651

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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.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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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T7651

3.1 g/cm³

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T7651

Mechanical

PropertyValueConditionRelated StandardsComment

Elastic modulus

72.0 GPa

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T7651

Elongation

5.0 %

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T7651

AA Standards, ASTM B209

A100

6.9 %

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T7651

8.0 %

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T7651

AA Standards, ASTM B209

A50

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

490.0 MPa

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T7651

AA Standards, ASTM B209

495.0 MPa

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T7651

AA Standards, ASTM B209

560.0 MPa

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T7651

Yield strength

415.0 MPa

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T7651

AA Standards, ASTM B209

RP02

420.0 MPa

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T7651

AA Standards, ASTM B209

RP02

480.0 MPa

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T7651

Thermal

PropertyValueCondition

Coefficient of thermal expansion

2.3e-05 1/K

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T7651

Melting point

480.0 °C

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T7651

Specific heat capacity

910.0 J/(kg·K)

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T7651

Thermal conductivity

130.0 W/(m·K)

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T7651

Electrical

PropertyValueConditionComment

Electrical conductivity

22300000 S/m

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T7651

Typical/derived value

Electrical resistivity

4.48e-08 Ω·m

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T7651

Typical value

Specific Electrical conductivity

38.5 % IACS

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T7651

Typical value

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

86.9 - 91.4 %

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T7651

Chromium

0.18 - 0.28 %

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T7651

AA Standards, ASTM B209

Copper

1.2 - 2.0 %

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T7651

AA Standards, ASTM B209

Iron

0.50 %

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T7651

AA Standards, ASTM B209

0.5 %

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T7651

Magnesium

2.1 - 2.9 %

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T7651

AA Standards, ASTM B209

Manganese

0.3 %

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T7651

AA Standards, ASTM B209

Other

0.15 %

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T7651

Silicon

0.4 %

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T7651

AA Standards, ASTM B209

Titanium

0.2 %

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T7651

AA Standards, ASTM B209

Zinc

5.1 - 6.1 %

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T7651

AA Standards, ASTM B209

Zirconium

0.25 %

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T7651

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