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EN AW-7075

circular blank

A technical illustration of the product with dimensions of the material EN AW-7075 from the material Aluminum in the shape circular blank
  • Form circular blank
  • Material Aluminum
  • Material EN AW-7075
  • Material chemically EN 573-3 Al Zn5,5 Mg Cu
  • DIN 3.4365
An image of the material EN AW-7075 from the material Aluminum in the shape circular blank
A technical illustration of the product of the material EN AW-7075 from the material Aluminum in the shape circular blank

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 Yes
  • 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 0,05
    Rest Aluminium
    Si (to) 0.4
    Ti (to) 0.2
    Total 0,15
    Zn (from) 5.1
    Zn (to) 6.1
  • Chemical surface treatment
    Anodise - decorative 5
    Anodising - protective anodising 3
  • Corrosion resistance
    Normal atmosphere 4
    Seawater atmosphere 4
  • 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
    Quenching water
    Solution annealing max. 480 °C
    Solution annealing min. 470 °C
  • Machining / Machinability
    dimensional stability 4.5
    Eroding 1
    hardened 2
  • Material
    Colorcode Blaulila (RAL 4005)
    Material chemically EN 573-3 Al Zn5,5 Mg Cu
    DIN 3.4365
    DIN (old designation) Al Zn Mg Cu1,5
    France AFNOR A-Z5GU
    Italy UNI 9007/2
    United Kingdom BS 2L95
  • Mechanical surface treatment
    Polishing 1
  • Organic coating
    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 with flux 5
  • Welding
    Gas 5
    MIG 5
    Resistance spot welding 2
    TIG 5
  • Aviation
    Aviation Yes
    Aviation Yes
  • Chemical specifications
    Cr (from) 0.18
    Cr (from) 0.18
    Cr (to) 0.28
    Cr (to) 0.28
    Cu (from) 1.2
    Cu (from) 1.2
    Cu (to) 2
    Cu (to) 2
    Fe (to) 0.5
    Fe (to) 0.5
    Mg (from) 2.1
    Mg (from) 2.1
    Mg (to) 2.9
    Mg (to) 2.9
    Mn (to) 0.3
    Mn (to) 0.3
    Other 0,05
    Other 0,05
    Rest Aluminium
    Rest Aluminium
    Si (to) 0.4
    Si (to) 0.4
    Ti (to) 0.2
    Ti (to) 0.2
    Total 0,15
    Total 0,15
    Zn (from) 5.1
    Zn (from) 5.1
    Zn (to) 6.1
    Zn (to) 6.1
  • Chemical surface treatment
    Anodise - decorative 5
    Anodise - decorative 5
    Anodising - protective anodising 3
    Anodising - protective anodising 3
  • Corrosion resistance
    Normal atmosphere 4
    Normal atmosphere 4
    Seawater atmosphere 4
    Seawater atmosphere 4
  • Food industry
    suitable according to DIN EN 602 No
    suitable according to DIN EN 602 No
  • Forming
    Bending 4
    Bending 4
    Bending delivery conditions O
    Bending delivery conditions O
    Deep drawing (conditional) 4.5
    Deep drawing (conditional) 4.5
    Deep drawing conditions O
    Deep drawing conditions O
    Drop forging 4
    Drop forging 4
    Extruding 4.5
    Extruding 4.5
    Impact extrusion 5
    Impact extrusion 5
    Open die forging 4
    Open die forging 4
    Press 5
    Press 5
    Upsetting (Conditional) 5
    Upsetting (Conditional) 5
  • Heat treatment - Softannealing
    Heating time max. 3 h
    Heating time max. 3 h
    Heating time min. 2 h
    Heating time min. 2 h
    Annealing temperature max. 420 °C
    Annealing temperature max. 420 °C
    Annealing temperature min. 380 °C
    Annealing temperature min. 380 °C
    Cooling conditions ≤ 30°C/h bis 230°C + 3 – 5 Stunden
    Haltezeit, unterhalb 230°C an der Luft
    Cooling conditions ≤ 30°C/h bis 230°C + 3 – 5 Stunden
    Haltezeit, unterhalb 230°C an der Luft
  • Heat treatment - Solution annealing
    Quenching Wasser
    Quenching Wasser
    Solution annealing max. 480 °C
    Solution annealing max. 480 °C
    Solution annealing min. 470 °C
    Solution annealing min. 470 °C
  • Machining / Machinability
    dimensional stability 4.5
    dimensional stability 4.5
    Eroding 1
    Eroding 1
    hardened 2
    hardened 2
  • Material
    Colorcode Blaulila (RAL 4005)
    Colorcode Blaulila (RAL 4005)
    Material chemically EN 573-3 Al Zn5,5 Mg Cu
    Material chemically EN 573-3 Al Zn5,5 Mg Cu
    DIN 3.4365
    DIN 3.4365
    DIN (old designation) Al Zn Mg Cu1,5
    DIN (old designation) Al Zn Mg Cu1,5
    France AFNOR A-Z5GU
    France AFNOR A-Z5GU
    Italy UNI 9007/2
    Italy UNI 9007/2
    United Kingdom BS 2L95
    United Kingdom BS 2L95
  • Mechanical surface treatment
    Polishing 1
    Polishing 1
  • Organic coating
    Painting / Coating 3
    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 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 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 20 to 300°C 25.2 K⁻¹10⁻⁶
    Coefficient of thermal expansion from -50 to 20°C 21.6 K⁻¹10⁻⁶
    Coefficient of thermal expansion from -50 to 20°C 21.6 K⁻¹10⁻⁶
    Density 2.8 g/cm³
    Density 2.8 g/cm³
    Electrical conductivity max. 23 m/Ω*mm²
    Electrical conductivity max. 23 m/Ω*mm²
    Electrical conductivity min. 19 m/Ω*mm²
    Electrical conductivity min. 19 m/Ω*mm²
    Modulus of elasticity 72 GPa
    Modulus of elasticity 72 GPa
    Shear modulus 27.1 GPa
    Shear modulus 27.1 GPa
    Specific heat 862 J/(kg·K)
    Specific heat 862 J/(kg·K)
    Thermal conductivity max. 160 W/m*K
    Thermal conductivity max. 160 W/m*K
    Thermal conductivity min. 130 W/m*K
    Thermal conductivity min. 130 W/m*K
  • Soldering
    Brazing 5
    Brazing 5
    Brazing with flux 5
    Brazing with flux 5
    Friction soldering 5
    Friction soldering 5
    Soft soldering with flux 5
    Soft soldering with flux 5
  • Welding
    Gas 5
    Gas 5
    MIG 5
    MIG 5
    Resistance spot welding 2
    Resistance spot welding 2
    TIG 5
    TIG 5
  • Aviation
    Aviation Yes
    Aviation Yes
  • Chemical specifications
    Cr (from) 0.18
    Cr (from) 0.18
    Cr (to) 0.28
    Cr (to) 0.28
    Cu (from) 1.2
    Cu (from) 1.2
    Cu (to) 2
    Cu (to) 2
    Fe (to) 0.5
    Fe (to) 0.5
    Mg (from) 2.1
    Mg (from) 2.1
    Mg (to) 2.9
    Mg (to) 2.9
    Mn (to) 0.3
    Mn (to) 0.3
    Other 0,05
    Other 0,05
    Rest Aluminium
    Rest Aluminium
    Si (to) 0.4
    Si (to) 0.4
    Ti (to) 0.2
    Ti (to) 0.2
    Total 0,15
    Total 0,15
    Zn (from) 5.1
    Zn (from) 5.1
    Zn (to) 6.1
    Zn (to) 6.1
  • Chemical surface treatment
    Anodise - decorative 5
    Anodise - decorative 5
    Anodising - protective anodising 3
    Anodising - protective anodising 3
  • Corrosion resistance
    Normal atmosphere 4
    Normal atmosphere 4
    Seawater atmosphere 4
    Seawater atmosphere 4
  • Food industry
    suitable according to DIN EN 602 No
    suitable according to DIN EN 602 No
  • Forming
    Bending 4
    Bending 4
    Bending delivery conditions O
    Bending delivery conditions O
    Deep drawing (conditional) 4.5
    Deep drawing (conditional) 4.5
    Deep drawing conditions O
    Deep drawing conditions O
    Drop forging 4
    Drop forging 4
    Extruding 4.5
    Extruding 4.5
    Impact extrusion 5
    Impact extrusion 5
    Open die forging 4
    Open die forging 4
    Press 5
    Press 5
    Upsetting (Conditional) 5
    Upsetting (Conditional) 5
  • Heat treatment - Softannealing
    Heating time max. 3 h
    Heating time max. 3 h
    Heating time min. 2 h
    Heating time min. 2 h
    Annealing temperature max. 420 °C
    Annealing temperature max. 420 °C
    Annealing temperature min. 380 °C
    Annealing temperature min. 380 °C
    Cooling conditions ≤ 30°C/h bis 230°C + 3 – 5 Stunden
    Haltezeit, unterhalb 230°C an der Luft
    Cooling conditions ≤ 30°C/h bis 230°C + 3 – 5 Stunden
    Haltezeit, unterhalb 230°C an der Luft
  • Heat treatment - Solution annealing
    Quenching Wasser
    Quenching Wasser
    Solution annealing max. 480 °C
    Solution annealing max. 480 °C
    Solution annealing min. 470 °C
    Solution annealing min. 470 °C
  • Machining / Machinability
    dimensional stability 4.5
    dimensional stability 4.5
    Eroding 1
    Eroding 1
    hardened 2
    hardened 2
  • Material
    Colorcode Blaulila (RAL 4005)
    Colorcode Blaulila (RAL 4005)
    Material chemically EN 573-3 Al Zn5,5 Mg Cu
    Material chemically EN 573-3 Al Zn5,5 Mg Cu
    DIN 3.4365
    DIN 3.4365
    DIN (old designation) Al Zn Mg Cu1,5
    DIN (old designation) Al Zn Mg Cu1,5
    France AFNOR A-Z5GU
    France AFNOR A-Z5GU
    Italy UNI 9007/2
    Italy UNI 9007/2
    United Kingdom BS 2L95
    United Kingdom BS 2L95
  • Mechanical surface treatment
    Polishing 1
    Polishing 1
  • Organic coating
    Painting / Coating 3
    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 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 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 20 to 300°C 25.2 K⁻¹10⁻⁶
    Coefficient of thermal expansion from -50 to 20°C 21.6 K⁻¹10⁻⁶
    Coefficient of thermal expansion from -50 to 20°C 21.6 K⁻¹10⁻⁶
    Density 2.8 g/cm³
    Density 2.8 g/cm³
    Electrical conductivity max. 23 m/Ω*mm²
    Electrical conductivity max. 23 m/Ω*mm²
    Electrical conductivity min. 19 m/Ω*mm²
    Electrical conductivity min. 19 m/Ω*mm²
    Modulus of elasticity 72 GPa
    Modulus of elasticity 72 GPa
    Shear modulus 27.1 GPa
    Shear modulus 27.1 GPa
    Specific heat 862 J/(kg·K)
    Specific heat 862 J/(kg·K)
    Thermal conductivity max. 160 W/m*K
    Thermal conductivity max. 160 W/m*K
    Thermal conductivity min. 130 W/m*K
    Thermal conductivity min. 130 W/m*K
  • Soldering
    Brazing 5
    Brazing 5
    Brazing with flux 5
    Brazing with flux 5
    Friction soldering 5
    Friction soldering 5
    Soft soldering with flux 5
    Soft soldering with flux 5
  • Welding
    Gas 5
    Gas 5
    MIG 5
    MIG 5
    Resistance spot welding 2
    Resistance spot welding 2
    TIG 5
    TIG 5

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

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