An alloy of iron and zirconium used in steelmaking to improve steel's strength, corrosion resistance, and heat resistance.
From 'ferro-' (iron) + 'zirconium' (from Arabic zargun, gold-colored). Zirconium metallurgy developed significantly in the 20th century for aerospace and nuclear applications.
Zirconium is valued for its incredible corrosion resistance—even in saltwater or harsh chemicals—so ferrozirconium is used in steel for ships, chemical processing equipment, and anywhere you need a metal that won't rust away.
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