EN AW-2011 | AlCu6BiPb
| Numeric designation | EN AW-2011 | 
|---|---|
| Chemical designation | AlCu6BiPb | 
| Etching | 5 % NaOH, Barker | 
This is a free cutting alloy for high cutting speeds. NaOH etching brought out the precipitates a little better, but the grains only became visible with an electrolytic Barker etching.
Etching parameters Barker:
- 30 V d-c
- 150 sec
- V2A cathode
















