Aluminium AlSi7Mg0.6


AlSiMg0.6 is a hardenable aluminium-based alloy with a density of about 2,68 g/cm³. It is suitable for thin-walled components and for parts with complex geometries. AlSi7Mg0.6 is highly suitable for processing and displays good corrosion resistance and good tolerance against strain. The components are optimal for use in areas such as aerospace engineering, the automotive industry and food industry.

Mechanical Properties Test Method As Built Heat Treated
Tensile strength ISO 6892-1:2009(B) Annex D 400 ± 20 MPa 273 ± 1 MPa
Yield Strength (Rp 0.2%) ISO 6892-1:2009(B) Annex D 230 ± 20 MPa 158 ± 1 MPa
Elongation at Break ISO 6892-1:2009(B) Annex D 8 ± 2% 13 ± 1%
Young’s modulus - 70 ± 10 GPa 75 ± 1 GPa
Hardness DIN EN ISO 6506-1 110 ± 5 HBW -
Thermal Properties Test Method As Built Heat Treated
Thermal conductivity ASTM E1461-13 120-140 W/m°C 180-190 W/m°C
Specific heat capacity ASTM E1461-13 910 ± 50 J/Kg°C 890 ± 50 J/Kg°C
Chemical Composition and Physical Properties    
Chemical composition Al
Si
Mg
Ti
Fe
Zn
Mn
Cu
Balance
6,5 - 7,5%
0,5 - 0,7%
0,1 - 0,18%
≤ 0,15 %
≤ 0,07 %
≤ 0,05 %
≤ 0,02 %
Physical Properties Relative density Approx. 99,85 %
  Density 2,67 g/cm3
Heat Treatment Temperature Time (h) Atmosphere
Stress Relief RT - 300°C 1 Inert
  300°C 2 Inert
  300°C - RT - Inert