My ally foray

[D5meister]

did this corner weld on a battered ally test peice
Its all on the amps here!

 

[D5meister]

I was given some laser cut squares, like this, in mild,

Zipped up a cube, hit it with the belt sander !

 

[Richard.]

Give yourself a sporting chance and try to weld on clean material.
The alu joint is very matted and speckled with contamination.
Shame because the general shape and size of the run is pretty good.
When things are clean it makes all the difference