Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1979-08-15
1980-12-02
Rosenberg, P. D.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 53, C21C 702
Patent
active
042369142
ABSTRACT:
A desulfurizing composition which is fed together with nitrogen into a molten pig iron in a desulfurization. The desulfurizing composition comprises 0.3 to 10 wt.% of a carbon source for preventing secondary coagulation and 1 to 10 wt.% of a magnesium compound for inhibiting of calcium cyanamide and the main component of calcium carbide for the desulfurization.
REFERENCES:
patent: 3622302 (1971-11-01), Hayashi
patent: 3656989 (1972-04-01), Loyland
patent: 3769004 (1973-10-01), Barnhardt
patent: 4169724 (1979-10-01), Freissmuth
Trentini, Journal of the Iron and Steel Institute, vol. 183, pp. 124-133, (Jun. 1956).
Hayashi Tsutomu
Kitamura Minoru
Moritsugi Takeharu
Saruwatari Mitsuyoshi
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