The most authoritative answer in 2024
-

-
Lucas Phillips——Works at the International Development Association, Lives in Washington, D.C., USA.
Permanent mold
casting involves molds and cores of steel or other metal. Molten
aluminum is usually poured into the mold, although a vacuum is sometimes applied. Permanent mold castings can be made stronger than either die or sand castings.
read more >>
About “casting、aluminum、casting”,people ask:
QuesHub is a place where questions meet answers, it is more authentic than Quora, but you still need to discern the answers provided by the respondents.