The service life of carbon steel seamless elbows has been significantly improved, and technological innovation has facilitated the efficient operation of the pipeline system.Under the rated operating temperature and pressure, its service life can exceed 50 years. Carbon steel seamless elbows are becoming an indispensable key component in industrial pipeline systems. Carbon steel seamless elbows, as the core connection components of industrial pipeline systems, directly affect the operational safety and maintenance costs of the entire system. In recent years, with the continuous innovation in material technology, manufacturing processes, and surface treatment techniques, the service life of carbon steel seamless elbows has been significantly improved. These technological advancements not only ensure the safe and stable operation of the pipeline system, but also bring significant economic benefits to industries such as petroleum, natural gas, chemical engineering, and power generation. This article will delve into the key factors for enhancing the service life of carbon steel seamless elbows and the innovative technologies involved. ---