…At this stage, the steel still contains a considerable amount of oxygen, so depending on the purpose, it is deoxidized to a low oxygen content, such as at points D or E. This is a roundabout method and is called the indirect steelmaking method. There are also methods that attempt to make steel directly (direct ironmaking), but due to the need to increase iron yield and establish mass production methods, the indirect method and the integrated pig iron steelmaking method that connects the blast furnace to the converter are currently the mainstream. … *Some of the terminology used in reference to the "indirect steelmaking process" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…この状態ではまだかなりの酸素を含有するので,目的に応じ,点D,Eのような低い酸素量まで脱酸する。これはまわりくどい方法で間接製鋼法といわれる。これに対し直接製鋼しようとする方法(直接製鉄)もあるが,鉄分歩留り,大量生産方式の確立のために,間接法,そして高炉→転炉を結ぶ銑鋼一貫方式が現在では主流となっている。… ※「間接製鋼法」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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