How to Say "steel" in Spanish
The most common Spanish word for “steel” is “acero” — use 'acero' when referring to the specific metal alloy known as steel, particularly in modern construction, manufacturing, or technical contexts..
acero
ah-SEH-roh/aˈθeɾo/

Examples
El rascacielos tiene una estructura de acero y cristal.
The skyscraper has a structure of steel and glass.
Compramos unos sartenes de acero inoxidable para la cocina.
We bought some stainless steel pans for the kitchen.
El acero es más fuerte que el hierro puro.
Steel is stronger than pure iron.
Gender Rule
Like most materials in Spanish (such as 'oro' or 'cobre'), 'acero' is a masculine noun, so you always use the article 'el' with it: 'el acero'.
hierro
YAIR-roh/ˈje.ro/

Examples
El puente antiguo está hecho de hierro forjado.
The old bridge is made of wrought iron.
Necesitamos más hierro en nuestra dieta para estar saludables.
We need more iron in our diet to be healthy.
El hierro es un metal muy resistente y pesado.
Iron is a very resistant and heavy metal.
Always Masculine
Remember that 'hierro' is always a masculine noun, so it takes masculine articles and adjectives (e.g., 'el hierro', 'hierro viejo').
Acero vs. Hierro
Related Translations
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