Indirect steelmaking

Japanese: 間接製鉄 - かんせつせいてつ
Indirect steelmaking

…refers to the iron-making process in which steel is extracted directly from iron ore. The term indirect iron-making, which corresponds to direct iron-making, is rarely used, but indirect iron-making actually refers to iron-making using the pig iron and steel-making process, represented by the blast furnace-converter process. One of the characteristics of the iron commonly seen in daily life, such as steel sheets for automobiles, steel for machine construction, and galvanized iron sheets (galvanized iron), is that they do not contain much carbon. …

*Some of the terminology used to refer to "indirect steelmaking" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…鉄鉱石から直接鋼を取り出す製鉄法をいう。直接製鉄に対応する間接製鉄という言葉そのものはほとんど用いられないが,高炉‐転炉法に代表される製銑・製鋼法による製鉄が間接製鉄の実体である。日常生活のなかで普通にみられる鉄,たとえば,自動車用の鋼板,機械構造用の鋼,あるいは亜鉛鉄板(トタン)などの特徴の一つは,炭素をあまり含んでいないことである。…

※「間接製鉄」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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