What does 製鉄 mean?
製鉄 is a Japanese noun meaning “iron manufacture” in English. It is written as 製鉄 in kanji, せいてつ in hiragana, and seitetsu in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
その製鉄工場を建てるのは非常に大変な事業だった。
Building the steel factory was a great enterprise.