EN 573-3 Grade AW-2017A T42

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Description

The material EN AW-Al Cu4mgSi(A) is produced for sheet, strip and plates, for extruded and drawn components as well as for wire and prewire for mechanical application. It is used for forged parts and prematerial. The alloy is not food-safe. To the comparable mark AlCuMg1, material No. 3.1325, acc. to DIN 1725-1 applies: The alloy pertains to the alloy-type (AlCuMg-Typ) used as the first of the aluminium- forgeable materials in technics. Alloys of this type are usable for natural and artificial aging. They achieve high mechanical strength and they are relatively heat-resistant even in a soft condition. In age hardened condition the material achieves strength above 400 N/mm². Heat-treatment for hardening: Solution annealing: 495° to 505°C, quenching in water Natural aging: 5 to 8 d at RT Artificial aging:16 to 24 h at 180 to 195°C Artificial aging is impossible in practice due to the decreasing corrosion resistance in artificially aged material condition. Even in a naturally aged condition is a surface protection necessary. Considerable strength decrease as well as complicate weldability and hot workability of this alloy as a result of insignificant heat-treatment failures are very unfavorable. Additionally, by welding is caused an economically unacceptable strength loss in the weld seam sector. The application of this material in welding constructions is for economical reasons impossible. It has a very favorable machinability what justifies the application of screws and rivets as connecting elements. The alloy AlCuMg1 is particularly well suitable for construction parts of a higher static load. Application: in machine engineering (incl. mold making) for machine benches, hydraulic turned parts, for tools, appliances (anchor plates, head and punch unit holder plates as well as guide plate). As connecting elements (screws, solid rivets), in vehicle engineering as bumper, axle bearing cases, as body and safety parts and in transport for air freight container as well as in aircraft construction.

Related Standards

Equivalent Materials

This material data has been provided by WIAM,AluKey.

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

2.8 g/cm³

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T42

EN 573-3, EN 485

Strip, Sheet, Plate, Tube, Bar

20.0 °C

2.8 g/cm³

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T42

EN 573-3

Flat

Mechanical

PropertyTemperatureValueConditionRelated StandardsShapeComment

Elastic modulus

72.5 GPa

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T42

EN 573-3, EN 485

Strip, Sheet, Plate, Tube, Bar

20.0 °C

65.0 - 73.5 GPa

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T42

EN 573-3

Flat

Elongation

12.0 %

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T42

EN 573-3, EN 485

Strip, Sheet, Plate, Tube, Bar

A100

14.0 %

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T42

EN 573-3, EN 485

Strip, Sheet, Plate, Tube, Bar

A50

15.0 %

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T42

EN 573-3, EN 485

Strip, Sheet, Plate, Tube, Bar

A50

20.0 °C

12.0 %

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T42

EN 573-3

Flat

20.0 °C

12.0 %

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T42

EN 573-3

Flat

Transverse

20.0 °C

14.0 %

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T42

EN 573-3

Flat

A50

20.0 °C

14.0 %

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EN 573-3

Flat

A50 Transverse

20.0 °C

15.0 %

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T42

EN 573-3

Flat

A50

20.0 °C

15.0 %

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T42

EN 573-3

Flat

A50 Transverse

Hardness, Brinell

109.0 [-]

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T42

EN 573-3, EN 485

Strip, Sheet, Plate, Tube, Bar

20.0 °C

109.0 [-]

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T42

EN 573-3

Flat

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

27.2 GPa

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T42

EN 573-3, EN 485

Strip, Sheet, Plate, Tube, Bar

20.0 °C

26.0 - 28.5 GPa

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T42

EN 573-3

Flat

Tensile strength

390.0 MPa

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T42

EN 573-3, EN 485

Strip, Sheet, Plate, Tube, Bar

20.0 °C

390.0 MPa

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T42

EN 573-3

Flat

20.0 °C

390.0 MPa

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T42

EN 573-3

Flat

Transverse

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Thermal

PropertyTemperatureValueConditionRelated StandardsShape

Coefficient of thermal expansion

20 °C

2.3e-05 1/K

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T42

EN 573-3, EN 485

Strip, Sheet, Plate, Tube, Bar

100 °C

2.3e-05 1/K

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T42

EN 573-3, EN 485

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Melting point

512.0 - 650.0 °C

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T42

EN 573-3, EN 485

Strip, Sheet, Plate, Tube, Bar

Specific heat capacity

20.0 °C

921.0 J/(kg·K)

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EN 573-3

Flat

Thermal conductivity

20.0 °C

130.0 - 200.0 W/(m·K)

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T42

EN 573-3, EN 485

Flat, Strip, Sheet, Plate, Tube, Bar

Electrical

PropertyTemperatureValueConditionRelated StandardsShape

Electrical conductivity

20.0 °C

18000000.0 - 28000000.0 S/m

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T42

EN 573-3, EN 485

Flat, Strip, Sheet, Plate, Tube, Bar

Electrical resistivity

3.57e-08 - 5.56e-08 Ω·m

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T42

EN 573-3, EN 485

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Chemical properties

PropertyValueConditionRelated StandardsShape

Chromium

0.1 %

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EN 573-3, EN 485

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Copper

3.5 - 4.5 %

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EN 573-3, EN 485

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Iron

0.7 %

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EN 573-3

Flat

0.70 %

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T42

EN 573-3, EN 485

Strip, Sheet, Plate, Tube, Bar

Magnesium

0.4 - 1.0 %

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T42

EN 573-3, EN 485

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Manganese

0.4 - 1.0 %

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T42

EN 573-3, EN 485

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Silicon

0.2 - 0.8 %

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T42

EN 573-3, EN 485

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Zinc

0.25 %

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EN 573-3, EN 485

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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: sufficient

Workability

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