2. Melting beds

2.1 Ferrous alloys

Melting beds are specific to the melting media used. In general, they comprise three types of component.

• Metallic materials

  They include the following:

  • new cast irons for various analyses delivered in pigs;

  • size-graded scrap metal for bulk deliveries;

  • bundles of sheet metal offcuts, mostly from the automotive industry, unfortunately increasingly coated with zinc to combat bodywork corrosion;

  • of bocage or offcuts of various castings;

  • manufacturing returns (casting runners and jets, rejected parts from foundry or...