EN 573-3 Grade 3.1255 T451

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Description

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.

Related Standards

Equivalent Materials

This material data has been provided by AluKey.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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

PropertyValueConditionRelated Standards

Density

2.8 g/cm³

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T451

EN 573-3, EN 485, EN 754

Mechanical

PropertyValueConditionRelated StandardsComment

Bending angle 180°

3.0 °/t

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T451

EN 573-3, EN 485

5.0 °/t

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T451

EN 573-3, EN 485

Bending angle 90°

3.0 °/t

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EN 573-3, EN 485

5.0 °/t

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EN 573-3, EN 485

8.0 °/t

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EN 573-3, EN 485

Elastic modulus

73.0 GPa

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EN 573-3, EN 485, EN 754

Hardness, Brinell

110.0 [-]

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EN 573-3, EN 485

111.0 [-]

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EN 573-3, EN 485

112.0 [-]

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T451

EN 573-3, EN 485

Plane-Strain Fracture Toughnes

22.0 - 35.0 MPa·√m

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Typical for Wrought 2000 Series Aluminium

Poisson's ratio

0.33 [-]

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Typical for Wrought 2000 Series Aluminium

Shear modulus

27.4 GPa

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T451

EN 573-3, EN 485, EN 754

Tensile strength

380.0 MPa

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EN 573-3, EN 754

395.0 MPa

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EN 573-3, EN 485

400.0 MPa

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EN 573-3, EN 485

Thermal

PropertyTemperatureValueConditionRelated StandardsComment

Coefficient of thermal expansion

-50 °C

2.1e-05 1/K

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T451

EN 573-3, EN 485, EN 754

20 °C

2.1e-05 1/K

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T451

EN 573-3, EN 485, EN 754

20 °C

2.28e-05 1/K

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T451

EN 573-3, EN 485, EN 754

20 °C

2.3e-05 1/K

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T451

EN 573-3, EN 485, EN 754

20 °C

2.36e-05 1/K

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T451

EN 573-3, EN 485, EN 754

20 °C

2.46e-05 1/K

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T451

EN 573-3, EN 485, EN 754

100 °C

2.28e-05 1/K

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EN 573-3, EN 485, EN 754

100 °C

2.3e-05 1/K

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T451

EN 573-3, EN 485, EN 754

200 °C

2.36e-05 1/K

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T451

EN 573-3, EN 485, EN 754

300 °C

2.46e-05 1/K

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T451

EN 573-3, EN 485, EN 754

Melting point

505.0 - 635.0 °C

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EN 573-3, EN 485, EN 754

510.0 - 640.0 °C

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T451

EN 573-3, EN 485, EN 754

Specific heat capacity

816.0 - 963.0 J/(kg·K)

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Typical for Wrought 2000 Series Aluminium

Thermal conductivity

134.0 - 193.0 W/(m·K)

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T451

EN 573-3, EN 485, EN 754

140.0 - 200.0 W/(m·K)

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T451

EN 573-3, EN 485, EN 754

Electrical

PropertyValueConditionRelated Standards

Electrical conductivity

20000000.0 - 29000000.0 S/m

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EN 573-3, EN 485, EN 754

21000000.0 - 24000000.0 S/m

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EN 573-3, EN 485, EN 754

Electrical resistivity

3.45e-08 - 5e-08 Ω·m

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T451

EN 573-3, EN 485, EN 754

4.17e-08 - 4.76e-08 Ω·m

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T451

EN 573-3, EN 485, EN 754

Chemical properties

PropertyValueConditionRelated Standards

Chromium

0.1 %

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T451

EN 573-3, EN 485, EN 754

Copper

3.9 - 5.0 %

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Iron

0.70 %

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EN 573-3, EN 485, EN 754

Magnesium

0.2 - 0.8 %

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EN 573-3, EN 485, EN 754

Manganese

0.4 - 1.2 %

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EN 573-3, EN 485, EN 754

Silicon

0.5 - 1.2 %

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EN 573-3, EN 485, EN 754

Titanium

0.15 %

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EN 573-3, EN 485, EN 754

Zinc

0.25 %

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EN 573-3, EN 485, EN 754

Technological properties

Property
Anodizing

decorative: not suitable, Protective: acceptable

Brazing

hard brazing (with flux/ without flux): not suitable / not suitable, friction soldering: acceptable, soft brazing with flux: not suitable

Corrosion properties

Seawater: sufficient, weathering: acceptable

Workability

Bending / Spinning (cold): gut (O) / ungeeignet, Impact extrusion (cold): not suitable, Deep drawing / upsetting (Condition) acceptable (O) / not suitable