noun
ingot
ING-gut/ˈɪŋɡət/
A block of metal cast for storage or further processing.
The gold ingot has tapered sides, rounded corners, and a shallow casting depression.

Etymology
Probably combining “in” with a form meaning “poured,” ingot first named the mold into which metal was poured. The name then shifted from the container to the shaped mass of metal cast inside it.
In context
here it is a purified can ingot for reference here is cast aluminum melted into ingot form