YB/T 4654-2018 in English

This standard outlines the specifications for hot-rolled H-section steel used in shipbuilding applications. It defines the dimensions, tolerances, and mechanical properties required for such steel products. The standard also includes requirements for material composition, manufacturing processes, and testing methods to ensure product quality. Additionally, it provides guidelines for marking and packaging of the steel sections. The standard is applicable to manufacturers and suppliers involved in the production and distribution of H-section steel for shipbuilding purposes. It serves as a reference for quality control and technical specifications in the industry.