Steel structure erection plays a critical role in modern construction projects, especially in industrial and commercial developments. This topic explains how steel structures are assembled on-site, from planning and material handling to lifting, alignment, and final bolting or welding. In the middle of large-scale projects, steel structure erection in Saudi Arabia requires strict adherence to safety regulations due to high temperatures, heavy components, and complex site conditions. Understanding best practices such as proper sequencing, use of certified lifting equipment, skilled manpower, and regular inspections helps reduce risks and improve efficiency. The description also highlights common challenges faced during erection and how experienced teams manage them through proven methods. Overall, this guide offers practical, experience-based insights for engineers, contractors, and project managers seeking reliable and safe erection outcomes.