Processes for steel making by oxygen refining of iron

Details Processes for steel making by oxygen refining of iron Processes for steel making by oxygen refining of iron

1975-05-15

1977-03-01

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 94, C21C 702, C22B 910

Patent

active

040100278

ABSTRACT:
The present invention relates to a process for obtaining low phosphorus steel by oxygen refining of liquid iron in the presence of a slag containing lime, alumina, silica and iron oxides wherein at the beginning of the operation is added to the liquid metal a charge obtained by granulation and calcination of a mixture of an hydraulic aluminous cement with lime and magnesia in order to obtain at the end of the operation a slag containing

REFERENCES:
patent: 3318687 (1967-05-01), Bowden
patent: 3537842 (1970-11-01), Holland
patent: 3585025 (1971-06-01), Obst
patent: 3802865 (1974-04-01), Ohkubo

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