High-strength steel is a type of steel that has a higher yield strength than conventional steel, making it more resistant to deformation and failure under stress. This enhanced strength allows for thinner and lighter structures, which can lead to reduced material costs and improved fuel efficiency in applications like automotive and construction. Commonly used in industries such as automotive, construction, and aerospace, high-strength steel is often alloyed with elements like manganese and chromium to improve its properties. Its ability to withstand heavy loads while maintaining structural integrity makes it a preferred choice for critical components and safety applications.