Welded steel structures consist of a combination of steel pieces joined together by welding to form a solid framework, and welded steel structures are made with great precision, yielding a strong monolithic frame. This technique provides stiff and strong construction that can support large loads and stress. Welded steel structures are popular in large scale buildings and bridges, as well as industrial facilities that require highly durable structures. The seamless connection component ensured by precise welding improves the overall structural integrity. The term welded steel structures is referred to as these modern structures as design complexity requirements of construction projects can be met due to advances in welding technologies.