Aluminum Zinc Alloy

IN AW 7050

Available formats: Sheet metal, plates, bars, tubes and profiles.

Features:

Aluminum Alloy Zinc EN AW 7050 is among the forged aluminum alloys, the composition of 7050 aluminum is notable for containing comparatively high amounts of zinc (Zn) and copper (Cu).

 

Zinc is used to achieve significant increases in strength, at the cost of increased susceptibility to stress corrosion cracking. Among other things, this limits weldability. Copper is used to improve resistance. This comes at the cost of a decrease in corrosion resistance and weldability.

Typical applications and uses:

EN AW 7075 aluminum is ideal for closed die forgings and large forgings for the aerospace industry. This alloy has been specifically designed for structural components subject to high fatigue and the risk of corrosion.

 

This alloy is specially designed for highly stressed structural elements subject to risks of fatigue and corrosion. In T74, this alloy offers a good compromise between mechanical properties (strength, toughness and fatigue) and resistance to stress corrosion. In the T76 state, it is particularly resistant to exfoliation corrosion.

Chemical Composition According to EN 573? 3

%
Si
Fe
Cu
Mn
Mg
Cr
Zn
Ti
Bi
Zr
Others
Al

Min.

-

-

2

-

1,9

-

5,7

-

-

0,08

-

-

Max.

0,12

0,15

2,6

0,1

2,6

0,04

6,7

0,06

-

0,15

0,15

Rest

Chemical Composition According to EN 573? 3

Element
Min.%
Max. %

Si


Fe


Cu


Mn


Mg


Cr


Zn


Ti


Bi


Zr


Others


Al

-


-


2


-


1,9


-


5,7


-


-


0,08


-


-

0,12


0,15


2,6


0,1


2,6


0,04


6,7


0,06


-


0,15


0,15


Rest

International Equivalences

USA
SPAIN
FRANCE
GERMANY
GB
SWEDEN
SWITZERLAND
CANADA
ITALY

AA

UNE

AFNOR

DIN (1712-1725)

BS

SIS

VSM

ALCAN

UNI

AMS 4050

-

AIR 9048.740

AlZn6CuMgZr

-

-

-

-

-

International Equivalences

USA AA AMS 4050
Spain UNE -
France AFNOR AIR 9048.740
Germany DIN (1712-1725) AlZn6CuMgZr
GB BS -
Sweden SIS -
Switzerland VSM -
Canada ALCAN -
Italy UNI -

General Physical Properties

Module
Elastic
N / mm²
Weight
specific
gms / cm³
Temperature
of fusion
in ° C
Coefficient of
linear dilation
? m / mK
Conductivity
thermal
W / mK
Resistivity
electric
?? m
Conductivity
electric
% IACS
Potential of
dissolution
V

71.500

2,83

490 - 630

24

180

43,6

35

-0,86

Physical Properties

Elastic module
N / mm²
71.500
Specific weight
gms / cm³
2,83
Melting temperature
in ° C
490 - 630
Linear expansion coefficient
? m / mK
24
Thermal conductivity
W / mK
180
Electrical resistivity
?? m
43,6
Electric conductivity
% IACS
35
Dissolution potential
V
-0,86

Technological skills (MB Very Good | B Good | C Correct | R Regular | M Bad)

WELDING

  • To the flame (M)
  • Al arc under argon gas (M)
  • By electrical resistance (M)
  • Braised (M)

ANODIZED

  • Protective (B)
  • Decorative (R)
  • Hard Anodized (R)

MECHANIZATION

  • Chip Fragmentation (B)
  • Surface brightness (MB)

REPUJADO

  • In state: O (-)

NATURAL BEHAVIOR

  • In rural environment (R)
  • In industrial environment (R)
  • In marine environment (M)
  • In seawater (M)

COVERING

  • Lacquered (B)
  • Galvanized (B)
  • Chemical nickel (B)

EMBUTITION

  • By expansion (M)
  • Deep drawing (R)

FOOD

  • Food use (M)

Formats

  • Aluminum Plates Zinc Alloy EN AW- 7050
  • Aluminum Plates Zinc Alloy EN AW- 7050
  • Aluminum Bars Zinc Alloy EN AW- 7050
  • Aluminum Tubes Zinc Alloy EN AW- 7050
  • Aluminum Profiles Zinc Alloy EN AW- 7050

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