This paper focuses on the research, development, application, industrial layout and future trends of hot-formed dual-phase steel ring technology in automotive manufacturing. Initially, the paper provides an overview of the current status of key technologies related to hot-formed dual-phase steel rings, covering material selection and development, application of laser welding technology and optimization of stamping processes. The paper subsequently analyzes the industrial layout of hot-formed dual-phase steel rings, and emphasize the importance of core technological systems in the industrialization process. Finally, the future development direction of this technology is prospected, highlighting the advancements in high performance, lightweight, environmentally friendly and intelligent manufacturing.

Hot forming steel  /  Industrialization  /  Integrated door ring  /  Energy saving and emission reduction