iron and steel
Industry term referring to iron and steel collectively, often used in contexts like 鉄鋼業 (steel industry) or 鉄鋼製品 (steel products).
日本は鉄鋼の生産量が多い。
Japan produces a large amount of iron and steel.
鉄鋼業は重要な基幹産業だ。
The steel industry is an important key industry.
This factory produces one million tons of steel a year.
Demand for steel is rising in the construction industry.
Steel prices rose due to increased raw material costs.
鉄鋼業 is written with 鉄鋼 as its first two kanji, but 鉄鋼 refers to the material 'steel' itself while 鉄鋼業 refers to the industry that produces it.
鉄鉱 refers to the raw iron ore mineral, while 鉄鋼 means the processed iron and steel material.
鉄鋼 (same reading) means iron and steel as a material or industry, whereas 鉄工 refers to the trade of ironworking or an ironworker.
鉄鋼 broadly covers the iron-and-steel industry or its products, whereas 粗鋼 names only the crude, semi-finished steel stage of production.