Thanks Salvitio
The castings are to be sand cast (with a large CO2 core). The product is a pressure ring cast in green sand (currently AB1 Al Bronze). It weights about 180kgs and is water cooled, it is used to push copper contact shoes on to a carbon electrode in a chrome smelter. Therefore it...
Appararantly this alloy is difficult to cast without introducing defects. I suppose these would be gas or shrinkage or possibly dross defects. Has anybody got any experience in casting this alloy and have any tips as to how a good casting can be produced?
Thank you
Clive Jones