バナジウム鋼こうバナジウムこうMeanings1nounvanadium steelTechnical term for steel alloyed with vanadium, used in tools and high-strength applications.バナジウム鋼こうは工こう具ぐや機き械かい部ぶ品ひんに使つかわれる。Vanadium steel is used for tools and machine parts.