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Product groups

Cast aluminum

Material No. ENAC-AlSi9Cu3(Fe) 
DIN material No. 3.2163
Abbreviation GD-AlSi9Cu3 
Description Cast aluminum
Composition
Alloy constituents [%]
Si: 8 – 11
Cu: 2 – 4
Fe: max. 1.3
Zn: max. 1.2
Density [g/cm³] 2.76
Yield point
Rp0.2 [N/mm²] min. – max.
140
Tensile strength
Rm [N/mm²]  min. – max.
240
Elongation after fracture
A [%]  min. – max.
 < 1
Brinell hardness
HB reference value
80

Corrosion resistance
in normal atmosphere
Poor

Corrosion resistance
in coastal atmosphere
Poor
Machinability Very good
Weldability Very good
Anodising capability Not suitable
High-gloss polishing,
mechanical
Very good
Main uses aluminum castings, e.g. pressure casting
Complicated machine construction and engine parts for the automotive industry, electrical engineering
This information is for reference only; we do not assume any liability for its accuracy. The properties of metal materials are highly dependent on their thermal and/or mechanical treatment.

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