The production of iron (and steel) from raw materials; the metallurgical processes carried out at ironworks.
江戸時代の日本では小規模なたたら製鉄が行われていた。
In the Edo period, small-scale tatara iron production was carried out in Japan.
製鉄所の見学で溶鉱炉の迫力に圧倒された。
I was overwhelmed by the power of the blast furnace during the ironworks tour.
製鉄技術の進歩は産業革命を支えた重要な要素だ。
Advances in ironmaking technology were an important factor supporting the Industrial Revolution.