AA Standards Grade 7075 T651

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Description

A high strength aerospace aluminium alloy offering good corrosion resistance.

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

PropertyTemperatureValue

Density

23.0 °C

2.81 - 3.1 g/cm³

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Mechanical

PropertyTemperatureValueComment

Bending Fatigue Strength

23.0 °C

160 MPa

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Compressive modulus

23.0 °C

72.4 MPa

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Elastic modulus

23.0 °C

72 GPa

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Elongation

-195.0 °C

9 %

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Elongation in 50 mm

-80.0 °C

11 %

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Elongation in 50 mm

0.0 °C

11 %

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Elongation in 50 mm

23.0 °C

7.4 - 11 %

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Elongation in 50 mm

24.0 °C

11 %

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Elongation in 50 mm

100.0 °C

14 %

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Elongation in 50 mm

150.0 °C

30 %

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Elongation in 50 mm

205.0 °C

55 %

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Elongation in 50 mm

260.0 °C

65 %

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Elongation in 50 mm

315.0 °C

70 %

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Elongation in 50 mm

370.0 °C

70 %

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Elongation in 50 mm

Elongation A100

23.0 °C

2 - 9 %

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Elongation A50

23.0 °C

7 - 11 %

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Fatigue strength

23.0 °C

159 MPa

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for 5x10⁸ cycles

Hardness, Brinell

23.0 °C

150 [-]

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500 kg load, 10 mm ball

Plane-Strain Fracture Toughnes

-196.0 °C

33.5 MPa·√m

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For plate in T-L direction

23.0 °C

24.2 MPa·√m

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For plate in T-L direction

24.0 °C

32.3 MPa·√m

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Poisson's ratio

23.0 °C

0.33 [-]

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Shear modulus

23.0 °C

26.9 GPa

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Shear strength

23.0 °C

331 MPa

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Tensile strength

-195.0 °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

-80.0 °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

0.0 °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

23.0 °C

460 - 570 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

24.0 °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

100.0 °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

150.0 °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

205.0 °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

260.0 °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

315.0 °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

370.0 °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

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Yield strength

23.0 °C

470 - 505 MPa

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Yield strength Rp0.2

-196.0 °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

-80.0 °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

-28.0 °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

23.0 °C

370 - 505 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

24.0 °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

100.0 °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

149.0 °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

204.0 °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

260.0 °C

62 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

316.0 °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

371.0 °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

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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

2.3E-5 - 2.35E-5 1/K

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Melting point

477 - 635 °C

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Specific heat capacity

23.0 °C

910 J/(kg·K)

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Thermal conductivity

23.0 °C

130 - 160 W/(m·K)

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Electrical

PropertyTemperatureValueComment

Electrical conductivity

23.0 °C

1.90E+7 S/m

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Typical/derived value

Electrical resistivity

23.0 °C

4.31E-8 - 5.22E-8 Ω·m

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Typical value

Specific Electrical conductivity

33 % IACS

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Typical value

Chemical properties

PropertyValueComment

Aluminium

86.9 - 91.4 %

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Balance

Chromium

0.18 - 0.28 %

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Copper

1.2 - 2 %

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Iron

0 - 0.5 %

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Magnesium

2.1 - 2.9 %

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Manganese

0 - 0.3 %

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Other

0 - 0.15 %

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each 0.05, total 0.15, Rest Al,Total

Silicon

0 - 0.4 %

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Titanium

0 - 0.2 %

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Zinc

5.1 - 6.1 %

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Zirconium

0 - 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