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DIN 1725-1 (Grade 3.3523 G25) – Superior Corrosion-Resistant Aluminum Alloy

Aluminum DIN 3.3523 is a non-heat treatable alloy with excellent finishing qualities. DIN 3.3523 offers better corrosion resistance than most aluminum alloys, especially to salt water and marine atmospheres. This alloy can be readily welded using most common techniques and is in fact offers some of the best welding characteristics of all aluminum alloys.

Properties

General

PropertyTemperatureValueConditionRelated Standards

Density

20.0 °C

2.68 g/cm³

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Mechanical

PropertyTemperatureValueConditionRelated StandardsComment

Elastic modulus

20.0 °C

72.0

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Elongation

-196.0 °C

28.0 %

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

-80.0 °C

21.0 %

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

-28.0 °C

18.0 %

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

20.0 °C

16.0 %

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

100.0 °C

18.0 %

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

150.0 °C

27.0 %

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

200.0 °C

45.0 %

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

260.0 °C

80.0 %

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

315.0 °C

110.0 %

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

370.0 °C

130.0 %

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Plane-Strain Fracture Toughnes

22.0 - 35.0 MPa·√m

Typical for Wrought 5000 Series Aluminium

Poisson's ratio

0.33 [-]

Typical for Wrought 5000 Series Aluminium

Shear modulus

20.0 °C

27.0

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Tensile strength

-196.0 °C

380.0 MPa

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

-80.0 °C

280.0 MPa

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

-28.0 °C

260.0 MPa

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

20.0 °C

260.0 MPa

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

100.0 °C

260.0 MPa

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

150.0 °C

205.0 MPa

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

200.0 °C

165.0 MPa

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

260.0 °C

85.0 MPa

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

315.0 °C

50.0 MPa

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

370.0 °C

35.0 MPa

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Thermal

PropertyTemperatureValueConditionRelated StandardsComment

Coefficient of thermal expansion

-50.0 °C

2.21e-05 1/K

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

100.0 °C

2.38e-05 1/K

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

200.0 °C

2.48e-05 1/K

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

300.0 °C

2.57e-05 1/K

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Max service temperature

150.0 °C

Typical for Wrought 5000 Series Aluminium

Melting point

560.0 - 655.0 °C

Typical for Wrought 5000 Series Aluminium

Specific heat capacity

20.0 °C

900.0 J/(kg·K)

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Thermal conductivity

20.0 °C

150.0

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Electrical

PropertyTemperatureValueConditionRelated StandardsComment

Electrical conductivity

20.0 °C

21000000.0

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Electrical resistivity

3.3e-08 - 5e-08 Ω·m

Typical for Wrought 5000 Series Aluminium

Chemical properties

PropertyValueConditionRelated Standards

Chromium

0.15 - 0.35 %

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Copper

0.1

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Iron

0.4

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Magnesium

2.2 - 2.8 %

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Manganese

0.1

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Silicon

0.25

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Zinc

0.1

G25

DIN 1725-1, EN 573-3, EN 573-4, WL 3.3524-1

Technological properties

Property
Workability

Good workability.


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