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EN AW-7022

tube - round as bar drawn

A technical illustration of the product with dimensions of the material EN AW-7022 from the material Aluminum in the shape tube - round as bar drawn
  • Form tube - round as bar drawn
  • Material Aluminum
  • Material EN AW-7022
  • Material chemically EN 573-3 Al Zn5 Mg3 Cu
  • DIN 3.4345

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An image of the material EN AW-7022 from the material Aluminum in the shape tube - round as bar drawn
A technical illustration of the product of the material EN AW-7022 from the material Aluminum in the shape tube - round as bar drawn

Areas of application

Tool making, mould making and model making

Aerospace

Military technology

Features of this material

  • Curable alloy with very high strength
  • Very high fatigue strength
  • good machinability

Information about the material

  • Aviation
    Aviation No
  • Chemical specifications
    Be (from) 0
    Be (to) 0
    Cr (from) 0.1
    Cr (to) 0.3
    Cu (from) 0.5
    Cu (to) 1
    Fe (to) 0.5
    Mg (from) 2.6
    Mg (to) 3.7
    Mn (from) 0.1
    Mn (to) 0.4
    Other 0,05
    Rest Aluminium
    Si (to) 0.5
    Ti footnote reference c)
    Total max. 0,15 a) b) c)
    Zn (from) 4.3
    Zn (to) 5.2
    Zr footnote reference c)

    a) Includes all listed elements for which no limits are specified. b) The sum of these "other impurities" whose mass fraction is individually 0.010% or more is expressed with two decimal places before the sum. c) Zr + Ti max. 0.20

  • Chemical surface treatment
    Anodise - decorative 5
    Anodising - protective anodising 2
    Chromating 2
    Cleaning / degreasing 2
    Hard anodising 2
    Phosphating 2
    Pickling 2
    Shining 4.5
  • Corrosion resistance
    Normal atmosphere 4
    Seawater atmosphere 4.5
  • Cutting
    Laser cutting 4
    Plasma cutting 3
    Sawing 1
    Shear cutting 2
    Waterjet cutting 1
  • Food industry
    suitable according to DIN EN 602 No
  • Forming
    Bending 4.5
    Deep drawing (conditional) 5
    Drop forging 4
    Extruding 4
    Impact extrusion 5
    Open die forging 4
    Press 5
    Upsetting (Conditional) 5
  • Heat treatment - Softannealing
    Heating time max. 3 h
    Heating time min. 2 h
    Annealing temperature max. 420 °C
    Annealing temperature min. 380 °C
    Cooling conditions ≤ 30°C/h bis 230°C + 3 – 5 Stunden
    Haltezeit, unterhalb 230°C an der Luft
  • Heat treatment - Solution annealing
    Cold ageing condition üblich ist das Warmauslagern
    Heat ageing max. 24 h
    Heat ageing min. 12 h
    Heating temperature max. 125 °C
    Heating temperature min. 110 °C
    Quenching Wasser
    Solution annealing max. 480 °C
    Solution annealing min. 470 °C
  • Machining / Machinability
    dimensional stability 1
    Eroding 1
    Etching 2
    hardened 2
    Photo etching 2
  • Material
    Colorcode Lichtgrau (RAL 7035)
    Material chemically EN 573-3 Al Zn5 Mg3 Cu
    DIN 3.4345
    DIN (old designation) Al Zn Mg Cu0,5
    France AFNOR A-Z5GU0,6
  • Mechanical surface treatment
    Blasting 1
    Brushing 2
    Grinding 2
    Polishing 1
  • Metallic coating
    Galvanising 2
    Nickel coating 2
    Thermal spraying 4
  • Organic coating
    Enamelling 5
    Laminating 2
    Painting / Coating 3
  • physical properties
    Coefficient of thermal expansion from 20 to 100°C 23.6 K⁻¹10⁻⁶
    Density 2.78 g/cm³
    Electrical conductivity max. 22 m/Ω*mm²
    Electrical conductivity min. 18 m/Ω*mm²
    Modulus of elasticity 70 GPa
    Thermal conductivity max. 160 W/m*K
    Thermal conductivity min. 130 W/m*K
  • Soldering
    Brazing 5
    Brazing with flux 5
    Friction soldering 5
    Soft soldering 5
    Soft soldering with flux 5
  • Welding
    Friction stir welding 2
    Friction welding 2
    Gas 5
    Laser 5
    MIG 5
    Plasma 5
    Resistance spot welding 2
    TIG 5
  • Aviation
    Aviation No
  • Chemical specifications
    Be (from) 0
    Be (to) 0
    Cr (from) 0.1
    Cr (to) 0.3
    Cu (from) 0.5
    Cu (to) 1
    Fe (to) 0.5
    Mg (from) 2.6
    Mg (to) 3.7
    Mn (from) 0.1
    Mn (to) 0.4
    Other 0,05
    Rest Aluminium
    Si (to) 0.5
    Ti footnote reference c)
    Total max. 0,15 a) b) c)
    Zn (from) 4.3
    Zn (to) 5.2
    Zr footnote reference c)

    a) Includes all listed elements for which no limits are specified. b) The sum of these "other impurities" whose mass fraction is individually 0.010% or more is expressed with two decimal places before the sum. c) Zr + Ti max. 0.20

  • Chemical surface treatment
    Anodise - decorative 5
    Anodising - protective anodising 2
    Chromating 2
    Cleaning / degreasing 2
    Hard anodising 2
    Phosphating 2
    Pickling 2
    Shining 4.5
  • Corrosion resistance
    Normal atmosphere 4
    Seawater atmosphere 4.5
  • Cutting
    Laser cutting 4
    Plasma cutting 3
    Sawing 1
    Shear cutting 2
    Waterjet cutting 1
  • Food industry
    suitable according to DIN EN 602 No
  • Forming
    Bending 4.5
    Deep drawing (conditional) 5
    Drop forging 4
    Extruding 4
    Impact extrusion 5
    Open die forging 4
    Press 5
    Upsetting (Conditional) 5
  • Heat treatment - Softannealing
    Heating time max. 3 h
    Heating time min. 2 h
    Annealing temperature max. 420 °C
    Annealing temperature min. 380 °C
    Cooling conditions ≤ 30°C/h bis 230°C + 3 – 5 Stunden
    Haltezeit, unterhalb 230°C an der Luft
  • Heat treatment - Solution annealing
    Cold ageing condition üblich ist das Warmauslagern
    Heat ageing max. 24 h
    Heat ageing min. 12 h
    Heating temperature max. 125 °C
    Heating temperature min. 110 °C
    Quenching Wasser
    Solution annealing max. 480 °C
    Solution annealing min. 470 °C
  • Machining / Machinability
    dimensional stability 1
    Eroding 1
    Etching 2
    hardened 2
    Photo etching 2
  • Material
    Colorcode Lichtgrau (RAL 7035)
    Material chemically EN 573-3 Al Zn5 Mg3 Cu
    DIN 3.4345
    DIN (old designation) Al Zn Mg Cu0,5
    France AFNOR A-Z5GU0,6
  • Mechanical surface treatment
    Blasting 1
    Brushing 2
    Grinding 2
    Polishing 1
  • Metallic coating
    Galvanising 2
    Nickel coating 2
    Thermal spraying 4
  • Organic coating
    Enamelling 5
    Laminating 2
    Painting / Coating 3
  • physical properties
    Coefficient of thermal expansion from 20 to 100°C 23.6 K⁻¹10⁻⁶
    Density 2.78 g/cm³
    Electrical conductivity max. 22 m/Ω*mm²
    Electrical conductivity min. 18 m/Ω*mm²
    Modulus of elasticity 70 GPa
    Thermal conductivity max. 160 W/m*K
    Thermal conductivity min. 130 W/m*K
  • Soldering
    Brazing 5
    Brazing with flux 5
    Friction soldering 5
    Soft soldering 5
    Soft soldering with flux 5
  • Welding
    Friction stir welding 2
    Friction welding 2
    Gas 5
    Laser 5
    MIG 5
    Plasma 5
    Resistance spot welding 2
    TIG 5

1 very good
2 good
3 moderate
4 poor
5 unsuited
0 Not specified

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