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EN AW-7075

cast round bar

A technical illustration of the product with dimensions of the material EN AW-7075 from the material Aluminum in the shape cast round bar
  • Form cast round bar
  • Material Aluminum
  • Material EN AW-7075
  • Material chemically EN 573-3 AlZn5,5MgCu
  • DIN 3.4365
An image of the material EN AW-7075 from the material Aluminum in the shape cast round bar
A technical illustration of the product of the material EN AW-7075 from the material Aluminum in the shape cast round bar

Areas of application

Tool making, mould making and model making

Aerospace

Military technology

Machine construction

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
    Cr (from) 0,18
    Cr (to) 0,28
    Cu (from) 1,2
    Cu (to) 2
    Fe (to) 0,5
    Mg (from) 2,1
    Mg (to) 2,9
    Mn (to) 0,3
    Other max. 0,05
    Rest Aluminium
    Si (to) 0,4
    Ti footnote reference c)
    Ti (to) 0,2
    Total max. 0,15 a) b) c)
    Zn (from) 5,1
    Zn (to) 6,1
    Zr footnote reference c)

    a) Includes all listed elements for which no limits are specified. b) The sum of these "other additions" whose mass fraction is individually 0.010 % or more is expressed with two decimal places before summation. c) An aggregate limit value for Zr + Ti of max. 0.25 applies to forged or extruded products if the value has been agreed between supplier and purchaser or between manufacturer and purchaser.

  • Chemical surface treatment
    Anodise - decorative 5
    Anodising - protective anodising 3
    Chromating 2
    Cleaning / degreasing 2
    Hard anodising 2
    Phosphating 2
    Pickling 2
    Shining 4,5
  • Corrosion resistance
    Normal atmosphere 4
    Seawater atmosphere 4
  • Cutting
    Laser cutting 4,5
    Plasma cutting 4,5
    Sawing 1
    Shear cutting 2
    Waterjet cutting 1
  • Food industry
    suitable according to DIN EN 602 No
  • Forming
    Bending 4
    Bending delivery conditions O
    Deep drawing (conditional) 4,5
    Deep drawing conditions O
    Drop forging 4
    Extruding 4,5
    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 to 230°C + 3 – 5 hours
    hold time, below 230°C in air
  • Heat treatment - Solution annealing
    Cold ageing condition üblich ist das Warmauslagern
    Heat ageing max. 12 h
    Heat ageing min. 24 h
    Heating temperature max. 125 °C
    Heating temperature min. 110 °C
    Quenching artifial ageing is usual
    Heating time max. 2 h
    Heating time min. 1 h
    Solution annealing max. 480 °C
    Solution annealing min. 470 °C
  • Machining / Machinability
    dimensional stability 4,5
    Eroding 1
    Etching 2
    hardened 2
    Photo etching 2
  • Material
    Colorcode Blaulila (RAL 4005)
    Material chemically EN 573-3 AlZn5,5MgCu
    DIN 3,4365
    DIN (old designation) Al Zn Mg Cu1,5
    France AFNOR A-Z5GU
    Italy UNI 9007/2
    Material no EN AW-7075
    United Kingdom BS 2L95
  • Mechanical surface treatment
    Blasting 1
    Brushing 2
    Dessinating 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 23.4 K⁻¹10⁻⁶
    Coefficient of thermal expansion from 20 to 200°C 24.3 K⁻¹10⁻⁶
    Coefficient of thermal expansion from 20 to 300°C 25.2 K⁻¹10⁻⁶
    Coefficient of thermal expansion from -50 to 20°C 21.6 K⁻¹10⁻⁶
    Density 2.8 g/cm³
    Electrical conductivity max. 23 m/Ω*mm²
    Electrical conductivity min. 19 m/Ω*mm²
    Modulus of elasticity 72 GPa
    Shear modulus 27.1 GPa
    Specific heat 862 J/(kg·K)
    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
    Cr (from) 0,18
    Cr (to) 0,28
    Cu (from) 1,2
    Cu (to) 2
    Fe (to) 0,5
    Mg (from) 2,1
    Mg (to) 2,9
    Mn (to) 0,3
    Other max. 0,05
    Rest Aluminium
    Si (to) 0,4
    Ti footnote reference c)
    Ti (to) 0,2
    Total max. 0,15 a) b) c)
    Zn (from) 5,1
    Zn (to) 6,1
    Zr footnote reference c)

    a) Includes all listed elements for which no limits are specified. b) The sum of these "other additions" whose mass fraction is individually 0.010 % or more is expressed with two decimal places before summation. c) An aggregate limit value for Zr + Ti of max. 0.25 applies to forged or extruded products if the value has been agreed between supplier and purchaser or between manufacturer and purchaser.

  • Chemical surface treatment
    Anodise - decorative 5
    Anodising - protective anodising 3
    Chromating 2
    Cleaning / degreasing 2
    Hard anodising 2
    Phosphating 2
    Pickling 2
    Shining 4,5
  • Corrosion resistance
    Normal atmosphere 4
    Seawater atmosphere 4
  • Cutting
    Laser cutting 4,5
    Plasma cutting 4,5
    Sawing 1
    Shear cutting 2
    Waterjet cutting 1
  • Food industry
    suitable according to DIN EN 602 No
  • Forming
    Bending 4
    Bending delivery conditions O
    Deep drawing (conditional) 4,5
    Deep drawing conditions O
    Drop forging 4
    Extruding 4,5
    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 to 230°C + 3 – 5 hours
    hold time, below 230°C in air
  • Heat treatment - Solution annealing
    Cold ageing condition üblich ist das Warmauslagern
    Heat ageing max. 12 h
    Heat ageing min. 24 h
    Heating temperature max. 125 °C
    Heating temperature min. 110 °C
    Quenching artifial ageing is usual
    Heating time max. 2 h
    Heating time min. 1 h
    Solution annealing max. 480 °C
    Solution annealing min. 470 °C
  • Machining / Machinability
    dimensional stability 4,5
    Eroding 1
    Etching 2
    hardened 2
    Photo etching 2
  • Material
    Colorcode Blaulila (RAL 4005)
    Material chemically EN 573-3 AlZn5,5MgCu
    DIN 3,4365
    DIN (old designation) Al Zn Mg Cu1,5
    France AFNOR A-Z5GU
    Italy UNI 9007/2
    Material no EN AW-7075
    United Kingdom BS 2L95
  • Mechanical surface treatment
    Blasting 1
    Brushing 2
    Dessinating 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 23.4 K⁻¹10⁻⁶
    Coefficient of thermal expansion from 20 to 200°C 24.3 K⁻¹10⁻⁶
    Coefficient of thermal expansion from 20 to 300°C 25.2 K⁻¹10⁻⁶
    Coefficient of thermal expansion from -50 to 20°C 21.6 K⁻¹10⁻⁶
    Density 2.8 g/cm³
    Electrical conductivity max. 23 m/Ω*mm²
    Electrical conductivity min. 19 m/Ω*mm²
    Modulus of elasticity 72 GPa
    Shear modulus 27.1 GPa
    Specific heat 862 J/(kg·K)
    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
    Cr (from) 0,18
    Cr (to) 0,28
    Cu (from) 1,2
    Cu (to) 2
    Fe (to) 0,5
    Mg (from) 2,1
    Mg (to) 2,9
    Mn (to) 0,3
    Other max. 0,05
    Rest Aluminium
    Si (to) 0,4
    Ti footnote reference c)
    Ti (to) 0,2
    Total max. 0,15 a) b) c)
    Zn (from) 5,1
    Zn (to) 6,1
    Zr footnote reference c)

    a) Includes all listed elements for which no limits are specified. b) The sum of these "other additions" whose mass fraction is individually 0.010 % or more is expressed with two decimal places before summation. c) An aggregate limit value for Zr + Ti of max. 0.25 applies to forged or extruded products if the value has been agreed between supplier and purchaser or between manufacturer and purchaser.

  • Chemical surface treatment
    Anodise - decorative 5
    Anodising - protective anodising 3
    Chromating 2
    Cleaning / degreasing 2
    Hard anodising 2
    Phosphating 2
    Pickling 2
    Shining 4,5
  • Corrosion resistance
    Normal atmosphere 4
    Seawater atmosphere 4
  • Cutting
    Laser cutting 4,5
    Plasma cutting 4,5
    Sawing 1
    Shear cutting 2
    Waterjet cutting 1
  • Food industry
    suitable according to DIN EN 602 No
  • Forming
    Bending 4
    Bending delivery conditions O
    Deep drawing (conditional) 4,5
    Deep drawing conditions O
    Drop forging 4
    Extruding 4,5
    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 to 230°C + 3 – 5 hours
    hold time, below 230°C in air
  • Heat treatment - Solution annealing
    Cold ageing condition üblich ist das Warmauslagern
    Heat ageing max. 12 h
    Heat ageing min. 24 h
    Heating temperature max. 125 °C
    Heating temperature min. 110 °C
    Quenching artifial ageing is usual
    Heating time max. 2 h
    Heating time min. 1 h
    Solution annealing max. 480 °C
    Solution annealing min. 470 °C
  • Machining / Machinability
    dimensional stability 4,5
    Eroding 1
    Etching 2
    hardened 2
    Photo etching 2
  • Material
    Colorcode Blaulila (RAL 4005)
    Material chemically EN 573-3 AlZn5,5MgCu
    DIN 3,4365
    DIN (old designation) Al Zn Mg Cu1,5
    France AFNOR A-Z5GU
    Italy UNI 9007/2
    Material no EN AW-7075
    United Kingdom BS 2L95
  • Mechanical surface treatment
    Blasting 1
    Brushing 2
    Dessinating 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 23.4 K⁻¹10⁻⁶
    Coefficient of thermal expansion from 20 to 200°C 24.3 K⁻¹10⁻⁶
    Coefficient of thermal expansion from 20 to 300°C 25.2 K⁻¹10⁻⁶
    Coefficient of thermal expansion from -50 to 20°C 21.6 K⁻¹10⁻⁶
    Density 2.8 g/cm³
    Electrical conductivity max. 23 m/Ω*mm²
    Electrical conductivity min. 19 m/Ω*mm²
    Modulus of elasticity 72 GPa
    Shear modulus 27.1 GPa
    Specific heat 862 J/(kg·K)
    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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