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Which transition metals are widely used in structural materials and electrical technology?

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A color-coded periodic table of the elements displays each element's symbol and atomic number, with categories such as alkali metals, noble gases, halogens, transition metals, and actinoid elements distinguished by different background colors. — transition metal Modern version of the periodic table of the elements (printable).

Transition metals are widely utilized in structural materials and electrical technology due to their hardness, strength, and high electrical and thermal conductivity. Key examples include:1

Iron: As the most important industrial metal, iron is primarily used in the form of alloys such as steel and cast iron. These materials are essential for construction, machinery, and transportation due to their versatility and mechanical strength.12
Copper: Renowned for its excellent electrical conductivity, copper is the standard material for electrical conductors, including wiring and strips used in electrical machinery.13
Titanium: Valued for its high strength-to-weight ratio and exceptional corrosion resistance, titanium is used in structural applications ranging from aerospace components to medical prostheses and industrial heat exchangers.14
Nickel: Frequently used as an alloying element, nickel enhances the corrosion resistance and strength of stainless steels and is a primary component in high-temperature superalloys used in jet engines and turbines.15

These metals are often combined with other elements to create specialized alloys that meet specific engineering requirements, such as increased durability or resistance to extreme environments.156