Method of producing high duty cast iron

Details Method of producing high duty cast iron Method of producing high duty cast iron

1975-01-08

1976-05-04

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 10R, 75 58, C21C 702, C22B 400

Patent

active

039544460

ABSTRACT:
A refining means for obtaining high duty spheroidal graphite cast iron through heating molten pig iron in an arc furnace to above the decomposition temperature of silicon oxide in the presence of carbon, such as 1500.degree.C, whereupon a refining agent containing quick lime, graphite powder, calcium silicate, and calcium carbonate is allowed to react in refining through deoxidation and de-sulphurization.

REFERENCES:
patent: 2757082 (1956-07-01), Busby
patent: 3197306 (1965-07-01), Osborn
patent: 3415642 (1968-12-01), Matsumoto
patent: 3598573 (1971-08-01), Freissmuth
patent: 3622302 (1971-11-01), Hayashi
patent: 3765875 (1973-10-01), Septier
patent: 3769004 (1973-10-01), Barnhardt

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