Swords can be made from a variety of materials, and while some swords are made from spring steel, it is not the sole or exclusive material used in sword production. The choice of material for a sword depends on factors such as the intended use, desired characteristics, and the preferences of the swordsmith or manufacturer.

Spring steel is a type of steel known for its excellent elasticity and resilience, making it suitable for applications that require the material to withstand repeated bending or twisting without permanent deformation or breakage. It is commonly used in the production of springs, including those found in automotive suspensions, industrial machinery, locks, and various other applications.

While spring steel is not commonly used for the entire construction of swords, it can be utilized for specific components or elements within a sword. For example, some swords may incorporate spring steel for the hilt, crossguard, or other parts that require high strength and flexibility.

The blades of swords are often made from various types of steel specifically formulated for blade applications. These can include high-carbon steels, tool steels, stainless steels, or even composite materials like laminated or folded steel. The choice of blade material depends on factors such as the desired balance of hardness, toughness, sharpness, and other performance characteristics.

It's worth noting that the construction of a sword involves multiple considerations beyond just the choice of steel, including the forging technique, heat treatment, and the craftsmanship of the swordsmith. All of these factors contribute to the overall quality, performance, and durability of the finished sword.