Direct steel-making process

Details Direct steel-making process Direct steel-making process

1993-01-08

1994-03-29

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

C22B 116

Patent

active

052980561

ABSTRACT:
Steel sheet is formed directly from iron ore concentrate by reducing a bed of iron ore concentrate, particularly high purity magnetized magnetic gamma hematite, to a low density hot cake of carburized metallic iron and then hot rolling the hot cake to a metallic sheet of full density (meeting market specification).

REFERENCES:
patent: 2287663 (1942-06-01), Brassert
patent: 2290734 (1942-07-01), Brassert
patent: 2296498 (1942-09-01), Brassert
patent: 2367262 (1945-01-01), Brassert
patent: 2925337 (1960-02-01), Kalling et al.
patent: 4033559 (1977-07-01), Pietsch

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