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Alloy 226 in accordance with DIN EN 1706 : 06/98

Aluminum die casting alloys

Chemical name EN AC – AlSi9Cu3(Fe)
Numerical name EN AC – 46000

 

 

 

 

Chemical composition

Si 8,0 – 11,0 %
Fe 1,3 %
Cu 2,0 – 4,0 %
Mn 0,55 %
Mg 0,05 - 0,55 %
Cr 0,15 %
Ni 0,55 %
Zn 1,2 %
Pb 0,35 %
Sn 0,25 %
Ti 0,25 %
other additions single 0,05 %, total 0,25 %

Mechanical characteristics

Tensile strength Rm min. 240 Mpa
Yield Rp0,2 min. 140 Mpa
Elongation at break A50mm min. < 1 %
Brinell hardness min. 80 HBS
Fluidity B
Hot-cracking resistance B
Pressure tightness C
Corrosion resistance D
Machinability B

 

 

Uses

The most common and versatile alloy used, even for complex, thin-walled castings, heat resistant. For castings with higher stress, especially for die casting.

Applications

Complicated machinery and engine parts for car industry, electronics, mining, etc. crankshafts and other housing, electric motor parts, bearing shields and trestles, cylinder heads, panels, etc.

Main Features

Very good universal castable alloy. Characterized by fewer tendencies to shrinkage and to Innenlunkern. Very good machinability. Prevalent in die casting.