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Data sheet AA2017

General properties

Aluminium-copper alloy, general purpose, whose main properties are high strength, fair toughness, good resistance to atmospheric corrosion and good machinability.

Nowadays is not extensively used; it is the first modern aluminium - copper alloy developed by the aluminium industry.

Generally used in form of plates.

Ex stock the following tempers are available:

Other tempers are delivered upon request; sheets are manufactured also with cladding.

Typical applications

Machined parts moulding dies for shoe industry.

Minimum mechanical properties at room temperature

Sheets and plates

Temper

Thickness (mm)

Rm (MPa)

Rp0.2 (MPa)

A %

Bending radius (1)(2)

BHN (1)

T4

T451

 

0.4

1.5

390

245

14

3.0 x s

110

1.5

6.0

390

245

15

5.0 x s

110

6.0

12.5

390

260

13

8.0 x s

111

12.5

40

390

250

12

 

110

40

100

385

240

10

 

108

100

1200

370

240

8

 

105

120

150

350

240

4

 

101

(1) Reference values

(2) Bending at 90°

Minimum mechanical properties at room temperature

Bars

Temper

Thickness (mm)

Rm (MPa)

Rp0.2 (MPa)

A %

T4

Up to 25 380 260 12
From 25 to 75 400 270 10
From 75 to 150 390 260 9
From 150 to 200 370 240 8
From 200 to 250 360 220 7

Physical properties

Specific gravity 2.790 g/cm3 at 20 °C

Thermal conductivity at 20 °C: 126 W/m °C

Elastic modulus: 71100 Mpa

Linear thermal expansion coefficient

Temperature °C

10-6 mm/mm °C

-50 > 20

 

20 > 100

23.6

100 > 200

24.0

200 > 300

25.0

Technological properties

Ease of machining: good

Ease of cold forming; poor

Ease of welding: poor (TIG - MIG)

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