G-AlSi7Mg (Thixo)

Category Type Material
Non-ferrous Metals Cast Aluminium

show all types of Non-ferrous Metals

 G-AlCu4TiMg (204)
G-AlMg3 (242)
G-AlMg5 (314)
G-AlSi12 (230)
G-AlSi12Cu (231)
G-AlSi7Mg (Thixo)
G-AlSi8Cu3 (380.0)

Data Table for: Non-ferrous Metals: Cast Aluminium: G-AlSi7Mg (Thixo)

Mechanical Properties

Quantity Value Unit
Young's modulus 72000 - 73000 MPa
Shear modulus 27000 - 27500 MPa
Tensile strength 230 - 250 MPa
Elongation 2 - 9 %
Fatigue 60 - 90 MPa
Yield strength 190 - 200 MPa

Physical Properties

Quantity Value Unit
Thermal expansion 21 - 22 e-6/K
Thermal conductivity 160 - 170 W/m.K
Specific heat 970 - 970 J/kg.K
Melting temperature 557 - 582 °C
Service temperature -50 - 450 °C
Density 2650 - 2650 kg/m3
Resistivity 0.022 - 0.024 Ohm.mm2/m
Electrochemical potential -1.66 - -1.66 V
Shrinkage 0.8 - 1 %

Environmental Data

Quantity Value Unit
Eco indicator 95 51.7 mPt
EPS 2280 mELU
Ex (in) / Ex (out) 5.35968771299337 MJ/MJ
GER 158 MJ
Raw materials input 6.83059901006012 kg
Solid 1.0915589 kg
Eco indicator 99 0.695 Pt
Environmental remarks Bauxite winning locations ² Australia 37%, New Guinea 16%, Jamaica 9% en Brasil. Production countries are US 24%, CIS 13%, Canada 9% en Australia. The bauxite winning happens for 95% in surface winning, with draglines and trucks. Aluminium content of bauxite is 17 - 25% . In the Netherlands the average percentage use of scrap in the melt at the primairy smelters is 12%. To evalute the environmental impact associated with the application of aluminium, the total lifecycle should be regarded. The percentage recycled material is strongly dependent of the application. It ranges from almost 2% for packaging to 90% for solid profiles. In the Netherlands the average is 45%.

General

     
Remarks (Al rest, Si 7, Mg 0.3, Fe 0.2, Mn 0.1, Zn 0.1, Cu 0.05 (wt.%))

Sample: Cast Aluminium

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