Abstract
Description was made on the outline of progress of iron and steel making technique at Muroran Works of Fuji Iron & Steel Co. Ltd. for about ten years since the end of war II.
Particulary, the following new three practices on the operating method of the open hearth furnace and two studies on method of utilizing non-developed resources were explained:
(a) Steel-making operation by using the coke oven gas under high pressure.
(b) Recent practice of oxgen steel-making.
(c) Steel-making operation with high pig ratio.
(d) Study on the effective use of iron sand.
(e) Study on the magnetizing-roasting of limonite.