AA Standards Grade 7075 T7351

Alternative and trade names
FORMODAL® BM-7075, 7075 T751
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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,BIKA,ASM Handbook Volume 2 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials,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

PropertyValueConditionShape

Density

3.1 g/cm³

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T7351

2.81 g/cm³

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T7351

2.8 g/cm³

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T7351

Sheet, Plate

2.81 g/cm³

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T7351

Bar

Surface roughness

0.4

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T7351

Sheet, Plate

Dimension

PropertyValueConditionThicknessShape

Thickness

8 mm

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T7351

8 mm

Sheet, Plate

100 mm

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T7351

100 mm

Sheet, Plate

Mechanical

PropertyTemperatureValueConditionShapeRelated StandardsComment

Elastic modulus

72.0 GPa

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T7351

Sheet, Plate, Bar

Elongation

5.0 %

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T7351

AA Standards, ASTM B209

A100

6.0 %

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T7351

AA Standards, ASTM B209

A100

9.0 %

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T7351

AA Standards, ASTM B211

A100

7.0 %

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T7351

AA Standards, ASTM B211

A100

7.0 %

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T7351

Sheet, Plate

AA Standards, ASTM B209

A50

10.0 %

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T7351

Bar

AA Standards, ASTM B211

A50

8.0 %

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T7351

AA Standards, ASTM B211

A50

7.2 %

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T7351

370 °C, 315 °C

70 %

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T7351

Elongation in 50 mm

260 °C

65 %

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T7351

Elongation in 50 mm

205 °C

55 %

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T7351

Elongation in 50 mm

150 °C

30 %

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T7351

Elongation in 50 mm

100 °C

15 %

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T7351

Elongation in 50 mm

24 °C, 0 °C

13 %

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T7351

Elongation in 50 mm

-80 °C, -195 °C

14 %

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T7351

Elongation in 50 mm

5.0 - 6.0 %

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T7351

Sheet, Plate

Hardness, HBW

126.0 - 140.0 [-]

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T7351

Sheet, Plate

Plane-Strain Fracture Toughnes

-196 °C

32.1 MPa·√m

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T7351

For plate in T-L direction

24 °C

35.9 MPa·√m

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T7351

For plate in T-L direction

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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

435.0 MPa

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T7351

AA Standards, ASTM B209

475.0 MPa

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T7351

AA Standards, ASTM B209

455.0 MPa

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T7351

AA Standards, ASTM B209, ASTM B211

440.0 MPa

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T7351

AA Standards, ASTM B209, ASTM B211

420.0 MPa

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T7351

AA Standards, ASTM B209

470.0 MPa

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T7351

AA Standards, ASTM B211

520.0 MPa

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T7351

370 °C

40 MPa

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T7351

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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T7351

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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T7351

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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T7351

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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T7351

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

435 MPa

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T7351

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

503 MPa

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T7351

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

525 MPa

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T7351

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

545 MPa

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T7351

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

635 MPa

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T7351

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

430.0 - 475.0 MPa

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T7351

Sheet, Plate

469.0 MPa

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T7351

Bar

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Yield strength

340.0 MPa

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T7351

AA Standards, ASTM B209

RP02

390.0 MPa

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T7351

AA Standards, ASTM B209

RP02

360.0 MPa

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T7351

AA Standards, ASTM B209

RP02

330.0 MPa

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T7351

AA Standards, ASTM B209

RP02

425.0 MPa

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T7351

AA Standards, ASTM B211

RP02

380.0 MPa

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T7351

AA Standards, ASTM B211

RP02

386.0 MPa

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T7351

Bar

RP02

371 °C

32 MPa

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T7351

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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T7351

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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T7351

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

90 MPa

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T7351

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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T7351

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

400 MPa

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T7351

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

434 MPa

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T7351

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

448 MPa

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T7351

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

462 MPa

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T7351

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

496 MPa

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T7351

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

420.0 MPa

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T7351

340.0 - 390.0 MPa

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T7351

Sheet, Plate

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Thermal

PropertyTemperatureValueConditionShapeComment

Coefficient of thermal expansion

2.3e-05 1/K

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T7351

2.35e-05 1/K

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T7351

Bar

100 °C

0.0000234 1/K

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T7351

Sheet, Plate

Mean values between 20°C and the mentioned temperature

200 °C

0.0000243 1/K

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T7351

Sheet, Plate

Mean values between 20°C and the mentioned temperature

300 °C

0.0000252 1/K

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T7351

Sheet, Plate

Mean values between 20°C and the mentioned temperature

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Melting point

480.0 °C

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T7351

635.0 °C

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T7351

Bar

Specific heat capacity

910.0 J/(kg·K)

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T7351

862.0 J/(kg·K)

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T7351

Sheet, Plate

Thermal conductivity

130.0 W/(m·K)

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T7351

130.0 - 160.0 W/(m·K)

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T7351

Sheet, Plate

134.0 - 160.0 W/(m·K)

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T7351

Bar

Electrical

PropertyValueConditionShapeComment

Electrical conductivity

19000000.0 - 23000000.0 S/m

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T7351

Sheet, Plate

23000000 S/m

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T7351

Typical/derived value

Electrical resistivity

4.3099999999999996e-08 Ω·m

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T7351

Typical value

4.31e-08 Ω·m

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T7351

Bar

Specific Electrical conductivity

40.0 % IACS

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T7351

Typical value

Chemical properties

PropertyValueConditionRelated StandardsShapeComment

Aluminium

86.9 - 91.4 %

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T7351

Chromium

0.18 - 0.28 %

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T7351

AA Standards, ASTM B209, ASTM B211

Sheet, Plate, Bar

Copper

1.2 - 2.0 %

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T7351

AA Standards, ASTM B209, ASTM B211

Sheet, Plate, Bar

Iron

0.50 %

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T7351

AA Standards, ASTM B209, ASTM B211

0.5 %

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T7351

Sheet, Plate, Bar

Magnesium

2.1 - 2.9 %

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T7351

AA Standards, ASTM B209, ASTM B211

Sheet, Plate, Bar

Manganese

0.3 %

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T7351

AA Standards, ASTM B209, ASTM B211

Sheet, Plate, Bar

Other

0.15 %

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T7351

Sheet, Plate, Bar

Total

Silicon

0.4 %

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T7351

AA Standards, ASTM B209, ASTM B211

Sheet, Plate, Bar

Titanium

0.2 %

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T7351

AA Standards, ASTM B209, ASTM B211

Sheet, Plate, Bar

Zinc

5.1 - 6.1 %

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T7351

AA Standards, ASTM B209, ASTM B211

Sheet, Plate, Bar

Zirconium

0.25 %

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T7351

Technological properties

Property
Anodizing

moderate

Application areas

Tool making, mould making and model making; Aerospace; Military technology

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

Soldering general

not recommended

Welding

Resistance welding: good

Workability

general (condition): not suitable