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G-AlSi12Cu (231)

Description

General

(Al rest, Si 12, Cu 1.0, Fe 0.8, Mg 0.3, Mn 0.3 (wt.%)) Good corrosion resistance. Typical used for applications in contact with water.

Properties

Chemical properties

Minimum value Maximum value Unit Sources
0.8 1.1 % Idemat 2003
%

Electrical properties

Minimum value Maximum value Unit Sources
kV/mm
%
-1.66 -1.66 V Idemat 2003
0.02 0.02 Ohm.mm²/m Idemat 2003

Manufacturing Properties

Minimum value Maximum value Unit Sources

Mechanical properties

Minimum value Maximum value Unit Sources
MPa
MPa
MPa
2650 2650 kg/m³ Idemat 2003
1 4 % Idemat 2003
95 95 MPa Idemat 2003
J/cm
27500 28000 MPa Idemat 2003
140 160 MPa Idemat 2003
MPa
80 90 MPa Idemat 2003
72000 75000 MPa Idemat 2003

Optical properties

Minimum value Maximum value Unit Sources

Thermal properties

Minimum value Maximum value Unit Sources
°C
533 580 °C Idemat 2003
-50 150 °C Idemat 2003
970 970 J/kg.K Idemat 2003
120 150 W/m.K Idemat 2003
21 22 e-6/K Idemat 2003

Environment

48.53 mPt
0.68 Pt
2780 mELU
5.16 MJ/MJ
150 MJ
158.54 kg
3.04 kg
Bauxite winning locations ï¾² 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. Bauxite has 17 - 25% aluminium content. In the Netherlands the average percentage 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%.

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