7020 (AW-AlZn4,5Mg1)

AlZn4,5Mg1 (AZ5G)

No food using.

Mechanical characteristics: Properties

 

Nominal chemical compound % (according to the standard EN 573-1) :

 Si

 Fe 

 Cu

 Mn

 Mg 

 Cr 

 Zn 

Others

 Al

Each
Total
0,35
0,40
0,2
0,05-0,50
1,0-1,4
0,10-0,35

4,0-5,0

0,05

0,15

Reste

 

Specific mechanical characteristics:

 

Sheets (according to the standard EN 485-2):

State
Specified thickness (mm)
Rm (MPa)
Rp0,2 (MPa)
A % mini
Rayon de pliage
Dureté HBS
Supérieur à
jusqu'à
mini
maxi
mini
maxi
A 50
A
180°
90°
O

>0,4

1,5

3,0

6,0

1,5

3,0

6,0

12,5

-

220

220

220

220

-

140

140

140

140

12

13

15

12

-
-
-

45

45

45

45

T4

T 451

> 0,4

1,5

3,0

6,0

1,5

3,0

6,0

12,5

320

320

320

320

-

210

210

210

210

-
-

11

12

13

14

-

2,0 e

2,5 e

3,5 e

5,0 e

92

92

92

92

T6

T651

T62

>0,4

1,5

3,0

6,0

1,5

3,0

6,0

12,5

350

350

350

350

-

280

280

280

280

-
-

7

8

10

10

-

3,5 e

4,0 e

5,5 e

8,0 e

104

104

104

104

T651

12,5

40,0

100,0

150,0

40,0

100,0

150,0

175,0

350

340

330

330

-

280

270

260

260

-

-

9

8

7

6

-
-

104

101

98

98

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Sheets in relief (according to the standard EN 1386) :

State Specified thickness (mm) Rm (MPa)

 

Rp0,2 (MPa) A % mini Rayon de pliage min recommandé à 90°
Sup à Jusqu'à mini maxi Mini Maxi A 50 A

O

1,2

1,5

3,0

6,0

1,5

3,0

6,0

20,0

-

-

-

-

220

220

220

220

-

-

-

-

140

140

140

140

6

8

10

12

-

-

-

12

3,0 t

3,0 t

3,0 t

-

T4

1,2

1,5

3,0

6,0

1,5

3,0

6,0

20,0

320

320

320

320

-

-

-

-

210

210

210

210

-

-

-

-

4

6

8

10

-

-

-

12

6,0 t

6,0 t

6,0 t

-

T6

1,2

1,5

3,0

6,0

1,5

3,0

6,0

20,0

350

350

350

350

-

-

-

-

280

280

280

280

-

-

-

-

3

4

6

8

-

-

-

8

-

-

-

-

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Extruded bars (according to the standard EN 755-2) :

State
Sizes mm
Rm (MPa)
Rp0,2 (MPa)
A % mini
A50 % mini
Diam (D)
size on flat or thickness (S)
mini
max
mini
max
T6
£ 50

50<D£200

£ 50

50<S£200

350

340

-

-

290

275

-

-

10

10

8

-

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Extruded tubes (according to the standard EN-755-2) :

State
Sizes mm

Thickness of wall

Rm (MPa)
Rp0,2 (MPa)
A % mini
A50 % mini
mini
max
mini
max

T6

£ 15

350

-

290

-

10

8

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Extruded sections (according to the standard EN-755-2) :

State
Sizes mm

Thickness of wall

Rm (MPa)
Rp0,2 (MPa)
A % mini
A50 % mini
mini
max
mini
max
T6

£ 40

350

-

290

-

10

8

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Drawn bars (according to the standard EN-754-2) :

State
Sizes mm
Rm (MPa)
Rp0,2 (MPa)
A % mini
A50 % mini
Diam
Plat
mini
max
mini
max
T6

<80

<50

350

-
-

280

10

8

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Drawn tubes (according to the standard EN-754-2) :

State
Sizes mm

Thickness of wall

Rm (MPa)
Rp0,2 (MPa)
A % mini
A50 % mini
mini
max
mini
max

T6

20

350

-

280

 

10

8

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Properties (for information only):

 

Corrosion :

General corrosion index
Satisfactory
Corrosion in industrial atmosphere
Satisfactory
Corrosion in sea atmosphere
Satisfactory
Corrosion in country atmosphere
Good
Corrosion under stress
Good
Exfoliation  index
Satisfactory
Intercrystalline corrosion
Good
Tapping index
Good

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Anodizing:

Bright anodizing
Not recommended
Coloured anodizing
Satisfactory
Hard anodizing
Good
Protecting anodizing
Good

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Strain, workability:

 
Strain aging
Cold working
Not recommended
Deep stamping
Strongly inadvisable
Strain by tension
Not recommended
Embossing ability
Strongly inadvisable
Extrusion ability
Satisfactory
Workability
Very good

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Welding:

Welding by electron beam
Good
Gas welding 
Good
Arc welding
Good
Spot welding
Good
Brazing
Satisfactory
Soft brazing
Satisfactory

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Physical and elastic properties:

Elastic
Physical
E
G
n
Tsol
Tliq
Cp
a
r
rel
l
EC
MPa
MPa
-
°C
°C
J kg-1 K-1
µm m-1 K-1
kg m-3
nW m
W m-1 K-1
%IACS
70000
26400
0.33
605
645
873
23.3
2780
49
140
35
Legend:
E 
Elastic modulus MPa
G 
Rigidity modulus MPa
 n
Poisson's ratio  
Tsol 
Solidification temperature °C
Tliq 
Melting temperature °C
Cp 
Specific heating J kg-1 K-1
a
Ratio of temperature expansion µm m-1 K-1
r
Density kg m-3
rel
Resistivity nW m
l 
Heat conductivity W m-1 K-1
EC 
Electrical conductivity %IACS

 

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