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1. (WO1979000700) PROCESS FOR REDUCING AND HEAT TREATING
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1979/000700 International Application No.: PCT/EP1979/000012
Publication Date: 20.09.1979 International Filing Date: 02.03.1979
IPC:
C21B 13/00 (2006.01)
C CHEMISTRY; METALLURGY
21
METALLURGY OF IRON
B
MANUFACTURE OF IRON OR STEEL
13
Making spongy iron or liquid steel, by direct processes
Applicants:
Inventors:
Priority Data:
780242103.03.1978SE
Title (EN) PROCESS FOR REDUCING AND HEAT TREATING
(FR) PROCEDE POUR REDUIRE ET TRAITER THERMIQUEMENT DU FER SPONGIEUX
Abstract:
(EN) Process of post-treatment in particular post-reduction and heat treatment of spongy iron applied in particular to spongy iron prepared according to the Hogana method or a similar method for directly preparing steel in which the spongy iron as a whole and/or in coarse lumps is subjected to a post-treatment in a neutral and/or reducing medium, in particular a medium of nitrogen containing 1 to 10% of oxygen.
(FR) Procede de post-traitement en particulier de post-reduction et de traitement thermique de fer spongieux applique en particulier a du fer spongieux prepare d"apres la methode de Hogana ou une methode analogue de preparation directe de l"acier dans lequel le fer spongieux en entier et/ou grossierement partage subit un post-traitement dans une atmosphere neutre et/ou reductrice, en particulier une atmosphere d"azote contenant de 1 a 10% d"oxygene.
Designated States:
Publication Language: German (DE)
Filing Language: German (DE)