Preventing an increase of the nitrogen content in molten steel

Details Preventing an increase of the nitrogen content in molten steel Preventing an increase of the nitrogen content in molten steel

1984-02-22

1985-09-03

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 53, C21C 700

Patent

active

045390428

ABSTRACT:
Following the discharge of steel from a steel producing converter, the adding and inclusion of nitrogen is impeded by surrounding the stream of pouring steel with a layer of limestone at a grain size not exceeding 5 mm. Practice has shown that the nitrogen content can well remain below a content of 0.005%.

REFERENCES:
patent: 3876421 (1975-04-01), Takemura
patent: 3999978 (1976-12-01), Furuya
patent: 4014684 (1977-03-01), Jones
patent: 4130423 (1978-12-01), Chastant
patent: 4266969 (1981-05-01), Koros

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