輪西製鐵所における原料轉換と製銑作業に就て

抄録

The overall change in the vital raw materials for iron manufacturing, inevitably caused by that time situation, came to the Wanishi Iron Works in July 1943. The faborite North China coal had to be replaced by the Hokkaido coal, so were the varied foreign ores by the domestic. The detailed progress and effects or the above change in raw materials, together with our countermeasures taken thereto, are the points in this report.