Vanadium steel is a type of alloy steel that contains a small percentage of vanadium, typically around 0.1% to 0.5%. This addition enhances the steel's strength, toughness, and wear resistance, making it suitable for various applications, including tools, automotive parts, and structural components. The presence of vanadium helps refine the grain structure of the steel, resulting in improved performance under stress. As a result, vanadium steel is often used in high-performance environments, such as in the manufacturing of cutting tools and high-strength fasteners.