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DIN 1725-1 F46 Aluminum Alloy (Grade 3.1255) – High Strength, Machinable, Weldable

DIN 3.1255 is an alloy with strength, machinability and welding capabilities, Aluminum Alloy DIN 3.1255 is an excellent option. It is a precipitation hardening alloy that maintains strength after heat treatment.

Properties

General

PropertyTemperatureValueConditionRelated Standards

Density

20.0 °C

2.8 g/cm³

F46

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

Mechanical

PropertyTemperatureValueConditionRelated StandardsComment

Elastic modulus

20.0 °C

72.0

F46

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

Elongation

-196.0 °C

14.0 %

F46

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

-80.0 °C

13.0 %

F46

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

-28.0 °C

13.0 %

F46

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

20.0 °C

13.0 %

F46

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

100.0 °C

15.0 %

F46

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

150.0 °C

20.0 %

F46

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

200.0 °C

38.0 %

F46

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

260.0 °C

52.0 %

F46

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

315.0 °C

65.0 %

F46

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

370.0 °C

72.0 %

F46

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

Plane-Strain Fracture Toughnes

22.0 - 35.0 MPa·√m

Typical for Wrought 2000 Series Aluminium

Poisson's ratio

0.33 [-]

Typical for Wrought 2000 Series Aluminium

Shear modulus

26.0 - 27.5 GPa

Typical for Wrought 2000 Series Aluminium

Tensile strength

-196.0 °C

580.0 MPa

F46

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

-80.0 °C

510.0 MPa

F46

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

-28.0 °C

500.0 MPa

F46

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

20.0 °C

480.0 MPa

F46

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

100.0 °C

435.0 MPa

F46

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

150.0 °C

275.0 MPa

F46

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

200.0 °C

110.0 MPa

F46

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

260.0 °C

65.0 MPa

F46

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

315.0 °C

45.0 MPa

F46

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

370.0 °C

30.0 MPa

F46

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

Thermal

PropertyTemperatureValueConditionRelated StandardsComment

Coefficient of thermal expansion

-50.0 °C

2.1e-05 1/K

F46

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

100.0 °C

2.28e-05 1/K

F46

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

200.0 °C

2.36e-05 1/K

F46

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

300.0 °C

2.46e-05 1/K

F46

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

Melting point

500.0 - 650.0 °C

Typical for Wrought 2000 Series Aluminium

Specific heat capacity

816.0 - 963.0 J/(kg·K)

Typical for Wrought 2000 Series Aluminium

Thermal conductivity

20.0 °C

140.0 - 200.0 W/(m·K)

F46

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

Electrical

PropertyTemperatureValueConditionRelated StandardsComment

Electrical conductivity

20.0 °C

20000000.0 - 29000000.0 S/m

F46

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

Electrical resistivity

3.4e-08 - 6e-08 Ω·m

Typical for Wrought 2000 Series Aluminium

Chemical properties

PropertyValueConditionRelated Standards

Chromium

0.1

F46

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

Copper

3.9 - 5.0 %

F46

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

Iron

0.7

F46

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

Magnesium

0.2 - 0.8 %

F46

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

Manganese

0.4 - 1.2 %

F46

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

Silicon

0.5 - 1.2 %

F46

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

Titanium

0.15

F46

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

Zinc

0.25

F46

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

Technological properties

Property
Workability

Moderate Workability


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