钢铁 (gāng tiě): Iron and steel (Noun) — Meaning & Stroke Order

This country is famous for producing high-quality iron and steel.

Steel can be used to build bridges.

This component is not made of ordinary steel, but of a special alloy.

For environmental protection, many factories have begun to develop recyclable green steel production technologies.

His will is as strong as steel.

I heard the price of steel has risen again recently, making renovation costs even higher.