Grades: Includes high-strength grades like Q460, Q500, Q550, Q620, Q690, Q800, Q890, and Q960.
💡 Always verify that your PDF is the most recent version, as standards are periodically updated to reflect new manufacturing technologies and safety requirements. gb t 16270 pdf
Q460 and Q550: Frequently used in large-scale building structures and high-performance bridges. Grades: Includes high-strength grades like Q460, Q500, Q550,
Scope: Covers steel plates with thicknesses typically up to 150mm. Grades: Includes high-strength grades like Q460