Method relating to manufacturing of steel
OwnerPer-Ake Lundstrom, Ake C R West +3inventors
InventorsPer-Ake Lundstrom, Ake C R West, Marten Gornerup, Gunnar Andersson, Carl-Johan Rick
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Abstract
The invention concerns a method for the manufacturing of steel in an electric arc furnace, comprising melting of charged steel raw material, substantially iron carrier, characterised in that at least 5 weight-%, preferably at least 10 weight-%, of charged iron carrier consist of granulated pig iron, here denominated GPI.
Claims18
Method relating to manufacturing of steel in an electric arc furnace comprising melting charged steel raw material, substantially iron carrier, characterised in that at least 5 weight-%, preferably at least 10 weight-%, of charged iron carrier consists of granulated pig iron, herein denominated GPI.
Method according to any of the previous claims, characterised in that 10-20%, preferably 30-50% of the steel raw material consists of said GPI.
Dependencies are inferred from the claim text.