Production of ultra low carbon steel by the basic oxygen process

Details Production of ultra low carbon steel by the basic oxygen process Production of ultra low carbon steel by the basic oxygen process

1982-03-26

1983-08-09

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 59, C21C 532, C21C 534

Patent

active

043976859

ABSTRACT:
Low alloy steel having an ultra low carbon content is produced using the basic oxygen process wherein an inert gas is introduced into the melt when the melt has a carbon content below about 0.06 weight percent, the oxygen flowrate is adjusted to from 10 to 40 percent of the inert gas flow rate and the oxygen lance height is reduced to from 30 to 60 percent of the normal lance height.

REFERENCES:
patent: 3854932 (1974-12-01), Bishop
patent: 3867134 (1975-02-01), Shaw
patent: 4178173 (1979-12-01), Gorges

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