A high strength aerospace aluminium alloy offering good corrosion resistance.
See where AA Standards Grade 7075 T7351 falls on the material property chart for Density against Elastic modulus in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.
Density
ρ2.8 - 3.1 g/cm³ at 23 °C
Surface roughness
RMS0.4 μm
Dimensions
Dicke
Thickness
t8 - 100 mm
Elongation
AElongation in 50 mm
Coefficient of thermal expansion
α2.3E-5 - 2.35E-5 1/K at 23 °C
Mean values between 20°C and the mentioned temperature
Melting point
Tm480 - 635 °C
Specific heat capacity
cp862 - 910 J/(kg·K) at 23 °C
Thermal conductivity
λ130 - 160 W/(m·K) at 23 °C
Electrical conductivity
σel1.90E+7 - 2.30E+7 S/m at 23 °C
Typical/derived value
Electrical resistivity
ρel4.31E-8 Ω·m at 23 °C
Typical value
Specific Electrical conductivity
40 % IACS
Typical value
Element
Weight %
Comment
86.9 - 91.4 %
Balance
5.1 - 6.1 %
2.1 - 2.9 %
1.2 - 2 %
0.18 - 0.28 %
Anodizing
moderate
Application areas
Tool making, mould making and model making; Aerospace; Military technology
Brazing
general: no brazing is known or developed
Corrosion properties
moderate
General machinability
good
Soldering general
not recommended
Welding
Resistance welding: good
Workability
general (condition): not suitable
This material data has been provided by MakeItFrom.com,ASM Handbook Volume 2 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials,WroughtAl_ElectricalResistivity,Righton Blackburns,BIKA,AluKey.