AA Standards Grade 7075 T6

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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,Matmatch,WroughtAl_ElectricalResistivity,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

2.81 g/cm³

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T6

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

3.1 g/cm³

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T6

2.81 g/cm³

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2.8 g/cm³

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Bar, Rod

Mechanical

PropertyTemperatureValueConditionRelated StandardsShapeComment

Bending Fatigue Strength

160.0 MPa

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AA Standards

Compressive modulus

72.4 MPa

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T6

Elastic modulus

72.0 GPa

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AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Bar, Rod

72 GPa

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71.0 GPa

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Elongation

11.0 %

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AA Standards

A50

8.0 %

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AA Standards, ASTM B209, ASTM B210

A50

5.0 %

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AA Standards, ASTM B209

A50

7.0 %

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AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247

Bar, Rod

A50

3.0 %

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AA Standards, ASTM B247

A50

2.0 %

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AA Standards, ASTM B247

A50

9.0 %

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AA Standards

A100

7.0 %

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AA Standards, ASTM B210, ASTM B247

A100

6.0 %

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AA Standards, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

A100

5.0 %

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AA Standards, ASTM B221, ASTM B247

A100

3.0 %

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AA Standards, ASTM B247

A100

2.0 %

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AA Standards, ASTM B247

A100

1.0 %

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AA Standards, ASTM B247

A100

8.0 %

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AA Standards, ASTM B247

A100

6.8 %

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11.0 %

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370 °C, 315 °C

70 %

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Elongation in 50 mm

260 °C

65 %

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Elongation in 50 mm

205 °C

55 %

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Elongation in 50 mm

150 °C

30 %

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Elongation in 50 mm

100 °C

14 %

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Elongation in 50 mm

24 °C, 0 °C, -80 °C

11 %

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Elongation in 50 mm

-195 °C

9 %

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Elongation in 50 mm

Fatigue strength

159 MPa

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for 5x10⁸ cycles

Hardness, Brinell

150.0 [-]

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AA Standards

150.0 [-]

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500 kg load, 10 mm ball

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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Shear modulus

26.9 GPa

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Shear strength

331.0 MPa

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Tensile strength

570.0 MPa

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AA Standards

540.0 MPa

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AA Standards, ASTM B209, ASTM B221, ASTM B241

Bar, Rod

510.0 MPa

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T6

AA Standards, ASTM B209, ASTM B247

525.0 MPa

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AA Standards, ASTM B209

530.0 MPa

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AA Standards, ASTM B210, ASTM B211, ASTM B316

560.0 MPa

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AA Standards, ASTM B221, ASTM B241

490.0 MPa

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AA Standards, ASTM B247

505.0 MPa

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AA Standards, ASTM B247

495.0 MPa

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AA Standards, ASTM B247

470.0 MPa

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T6

AA Standards, ASTM B247

485.0 MPa

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T6

AA Standards, ASTM B247

455.0 MPa

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T6

AA Standards, ASTM B247

475.0 MPa

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AA Standards, ASTM B247

515.0 MPa

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AA Standards, ASTM B247

450.0 MPa

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AA Standards, ASTM B247

572.0 MPa

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370 °C

40 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

315 °C

55 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

260 °C

75 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

205 °C

110 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

150 °C

215 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

100 °C

483 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

24 °C

572 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

0 °C

593 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

-80 °C

620 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

-195 °C

703 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

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Yield strength

505.0 MPa

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T6

AA Standards, ASTM B221, ASTM B241

RP02

475.0 MPa

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AA Standards, ASTM B209

RP02

435.0 MPa

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AA Standards, ASTM B209, ASTM B247

RP02

470.0 MPa

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AA Standards, ASTM B209, ASTM B221

RP02

460.0 MPa

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AA Standards, ASTM B209

RP02

455.0 MPa

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AA Standards, ASTM B210, ASTM B211, ASTM B316

RP02

485.0 MPa

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T6

AA Standards, ASTM B221, ASTM B241

RP02

495.0 MPa

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T6

AA Standards, ASTM B221, ASTM B241

RP02

490.0 MPa

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AA Standards, ASTM B221

RP02

405.0 MPa

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AA Standards, ASTM B247

RP02

420.0 MPa

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AA Standards, ASTM B247

RP02

400.0 MPa

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AA Standards, ASTM B247

RP02

385.0 MPa

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AA Standards, ASTM B247

RP02

425.0 MPa

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AA Standards, ASTM B247

RP02

415.0 MPa

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AA Standards, ASTM B247

RP02

380.0 MPa

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AA Standards, ASTM B247

RP02

440.0 MPa

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AA Standards, ASTM B247

RP02

395.0 MPa

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AA Standards, ASTM B247

RP02

371 °C

32 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

316 °C

45 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

260 °C

62 MPa

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T6

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

204 °C

87 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

149 °C

186 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

100 °C

448 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

24 °C

503 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

-28 °C

517 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

-80 °C

545 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

-196 °C

634 MPa

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up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

480.0 MPa

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Bar, Rod

RP02

470.0 MPa

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505.0 MPa

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T6

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Thermal

PropertyTemperatureValueConditionRelated StandardsShape

Coefficient of thermal expansion

2.3e-05 1/K

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2.34e-05 1/K

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100 °C, 20 °C

2.36e-05 1/K

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AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Melting point

475.0 - 635.0 °C

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T6

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

480.0 °C

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635.0 °C

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Bar, Rod

Specific heat capacity

910.0 J/(kg·K)

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960.0 J/(kg·K)

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Thermal conductivity

130 W/(m·K)

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AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

130.0 W/(m·K)

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Bar, Rod

Electrical

PropertyValueConditionRelated StandardsShapeComment

Electrical conductivity

19000000.0 S/m

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AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

19000000 S/m

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Typical value

Electrical resistivity

5.26e-08 Ω·m

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AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

5.22e-08 Ω·m

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5.1500000000000005e-08 Ω·m

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Typical value

4.31e-08 Ω·m

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Specific Electrical conductivity

33.0 % IACS

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Typical/Derived value

Chemical properties

PropertyValueConditionRelated StandardsShapeComment

Aluminium

86.9 - 91.4 %

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Chromium

0.18 - 0.28 %

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AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Bar, Rod

Copper

1.2 - 2.0 %

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AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Bar, Rod

Iron

0.50 %

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AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

0.5 %

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Bar, Rod

Magnesium

2.1 - 2.9 %

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AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Bar, Rod

Manganese

0.3 %

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AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Bar, Rod

Other

0.15 %

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Bar, Rod

Total

Silicon

0.4 %

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AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Bar, Rod

Titanium

0.2 %

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AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Bar, Rod

Zinc

5.1 - 6.1 %

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AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Bar, Rod

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