The market demand for angle steel is closely correlated with economic development. During periods of rapid economic growth, especially when there is large - scale infrastructure construction, urbanization, and industrial expansion, the demand for angle steel in construction, manufacturing, and other industries increases significantly. For instance, in emerging economies with massive construction projects, the consumption of angle steel surges. Conversely, during economic recessions or slowdowns, the demand for construction and manufacturing activities decreases, leading to a decline in the demand for angle steel. However, the development of new industries and technologies may also create new application scenarios for angle steel, influencing the demand pattern.