EN 573-3 Grade 3.1355 T8

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Description

Aluminum DIN 3.1355, known for its use in aircraft industry, is an alloy that offers excellent strength. When in the annealed condition it is readily formed and has good machinability. Though it has a relatively low level of corrosion resistance, it can be machined to a high finish.

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

2.77 g/cm³

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T8

EN 573-3, EN 485, EN 754, EN 755

2.78 g/cm³

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T8

EN 573-3, EN 485, EN 754, EN 755

Mechanical

PropertyValueConditionRelated StandardsComment

Bending Fatigue Strength

125.0 MPa

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T8

EN 573-3, EN 485, EN 754, EN 755

Bending angle 90°

5.0 °/t

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T8

EN 573-3, EN 485

7.0 °/t

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T8

EN 573-3, EN 485

Elastic modulus

73.0 GPa

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T8

EN 573-3, EN 485, EN 754, EN 755

Hardness, Brinell

138.0 [-]

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T8

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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T8

EN 573-3, EN 485, EN 754, EN 755

Tensile strength

455.0 MPa

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T8

EN 573-3, EN 754, EN 755

460.0 MPa

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T8

EN 573-3, EN 485

Thermal

PropertyTemperatureValueConditionRelated Standards

Coefficient of thermal expansion

-50 °C

2.11e-05 1/K

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T8

EN 573-3, EN 485, EN 754, EN 755

20 °C

2.11e-05 1/K

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T8

EN 573-3, EN 485, EN 754, EN 755

20 °C

2.2899999999999998e-05 1/K

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T8

EN 573-3, EN 485, EN 754, EN 755

20 °C

2.3199999999999998e-05 1/K

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T8

EN 573-3, EN 485, EN 754, EN 755

20 °C

2.38e-05 1/K

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20 °C

2.4699999999999997e-05 1/K

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T8

EN 573-3, EN 485, EN 754, EN 755

100 °C

2.2899999999999998e-05 1/K

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T8

EN 573-3, EN 485, EN 754, EN 755

100 °C

2.3199999999999998e-05 1/K

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T8

EN 573-3, EN 485, EN 754, EN 755

200 °C

2.38e-05 1/K

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T8

EN 573-3, EN 485, EN 754, EN 755

300 °C

2.4699999999999997e-05 1/K

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T8

EN 573-3, EN 485, EN 754, EN 755

Melting point

505.0 - 640.0 °C

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T8

EN 573-3, EN 485, EN 754, EN 755

505.0 - 635.0 °C

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T8

EN 573-3, EN 485, EN 754, EN 755

Specific heat capacity

875.0 J/(kg·K)

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T8

EN 573-3, EN 485, EN 754, EN 755

Thermal conductivity

121.0 - 193.0 W/(m·K)

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T8

EN 573-3, EN 485, EN 754, EN 755

130.0 - 150.0 W/(m·K)

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T8

EN 573-3, EN 485, EN 754, EN 755

Electrical

PropertyValueConditionRelated Standards

Electrical conductivity

17000000.0 - 29000000.0 S/m

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T8

EN 573-3, EN 485, EN 754, EN 755

18000000.0 - 21000000.0 S/m

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T8

EN 573-3, EN 485, EN 754, EN 755

Electrical resistivity

3.45e-08 - 5.88e-08 Ω·m

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T8

EN 573-3, EN 485, EN 754, EN 755

4.76e-08 - 5.56e-08 Ω·m

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EN 573-3, EN 485, EN 754, EN 755

Chemical properties

PropertyValueConditionRelated Standards

Chromium

0.1 %

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T8

EN 573-3, EN 485, EN 754, EN 755

Copper

3.8 - 4.9 %

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Iron

0.50 %

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T8

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Magnesium

1.2 - 1.8 %

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T8

EN 573-3, EN 485, EN 754, EN 755

Manganese

0.3 - 0.9 %

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T8

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Silicon

0.5 %

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T8

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Titanium

0.15 %

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T8

EN 573-3, EN 485, EN 754, EN 755

Zinc

0.25 %

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EN 573-3, EN 485, EN 754, EN 755

Technological properties

Property
Anodizing

decorative: not suitable, Protective: good

Brazing

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

Corrosion properties

Seawater: poor, weathering: poor

Workability

Bending / Spinning (cold): sufficient (O) / acceptable (O), Impact extrusion (cold): acceptable (O), Deep drawing / upsetting (Condition) acceptable (O) / sufficient (O)