Report: Melting of large steel casting parts in the induction furnace

The voestalpine Group operates in their steel segment a foundry for the manufacture of heavy cast steel with a melt requirement from 1 to 200 t per casting. The melt required in the foundry is acquired for the most part from the LD steelworks sited on the same grounds. The return material with about 50 % occurring with cast steel cannot be employed profitably there; therefore an induction crucible furnace was installed for the melting down of this return flow scrap valuable for the foundry. Its integration into the manufacturing sequence and the operating results prepared in this special employment are described in this contribution.

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