DIN 1725-1 Grade 3.4365 T7352

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Description

DIN 3.4365 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 WIAM.

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

PropertyTemperatureValueConditionRelated StandardsShape

Density

20.0 °C

2.8 g/cm³

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T7352

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Mechanical

PropertyTemperatureValueConditionRelated StandardsShapeComment

Bulk Modulus

20.0 °C

72.5 GPa

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Elastic modulus

20.0 °C

71.0 GPa

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T7352

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Elongation

20.0 °C

2.0 %

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Transverse

20.0 °C

3.0 %

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Transverse

20.0 °C

4.0 %

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Transverse

20.0 °C

6.0 %

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20.0 °C

7.0 %

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Hardness, Brinell

20.0 °C

135.0 [-]

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Transverse

20.0 °C

135.0 [-]

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20.0 °C

150.0 [-]

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Transverse

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Plane-Strain Fracture Toughnes

20.0 °C

23.7 - 36.9 MPa·√m

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20.0 °C

23.7 - 29.0 MPa·√m

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20.0 °C

23.7 MPa·√m

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T7352

WL 3.4364-1, DIN 1725-1

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20.0 °C

29.0 - 36.9 MPa·√m

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T7352

WL 3.4364-1, DIN 1725-1

Forging

20.0 °C

29.0 MPa·√m

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T7352

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20.0 °C

36.9 MPa·√m

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WL 3.4364-1, DIN 1725-1

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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

20.0 °C

390.0 MPa

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Transverse

20.0 °C

400.0 MPa

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Transverse

20.0 °C

410.0 MPa

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WL 3.4364-1, DIN 1725-1

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Transverse

20.0 °C

415.0 MPa

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WL 3.4364-1, DIN 1725-1

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Transverse

20.0 °C

420.0 MPa

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Transverse

20.0 °C

420.0 MPa

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20.0 °C

430.0 MPa

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20.0 °C

435.0 MPa

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Transverse

20.0 °C

440.0 MPa

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Transverse

20.0 °C

440.0 MPa

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20.0 °C

455.0 MPa

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T7352

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20.0 °C

460.0 MPa

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Transverse

20.0 °C

470.0 MPa

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Transverse

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Thermal

PropertyValueComment

Coefficient of thermal expansion

2.1e-05 - 2.4e-05 1/K

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Typical for Wrought 7000 Series Aluminium

Melting point

465.0 - 655.0 °C

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Typical for Wrought 7000 Series Aluminium

Specific heat capacity

795.0 - 1050.0 J/(kg·K)

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Typical for Wrought 7000 Series Aluminium

Thermal conductivity

121.0 - 170.0 W/(m·K)

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Typical for Wrought 7000 Series Aluminium

Electrical

PropertyValueComment

Electrical conductivity

18000000.0 - 34000000.0 S/m

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Typical for Wrought 7000 Series Aluminium

Electrical resistivity

2.9e-08 - 5.6e-08 Ω·m

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Typical for Wrought 7000 Series Aluminium

Chemical properties

PropertyValueConditionRelated StandardsShape

Chromium

0.18 - 0.28 %

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Copper

1.2 - 2.0 %

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Iron

0.5

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Magnesium

2.1 - 2.9 %

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Manganese

0.3

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Silicon

0.4

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Titanium

0.2

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Zinc

5.1 - 6.1 %

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Technological properties

Property
Brazing

Excellent