Usage Note
Cr is the chemical symbol for chromium (cromo), a hard, shiny transition metal (atomic number 24). In Spanish technical texts the two-letter symbol is read letter by letter. Cromo gives stainless steel its corrosion resistance and is familiar to general audiences through cromado (chrome plating). Hexavalent chromium compounds are highly toxic.
Examples
"El Cr mejora la resistencia a la corrosión en los aceros."
Natural Translation
Cr improves corrosion resistance in steels.

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