Japanese More information Kanji in this term ... Kanji in this term 錬 鉄 れんGrade: S てつGrade: 3 on'yomi Close More information Alternative spelling ... Alternative spelling 鍊鐵 (kyūjitai) Close Noun 錬(れん)鉄(てつ) • (rentetsu) wrought iron Wikiwand - on Seamless Wikipedia browsing. On steroids.