AWS D1.1 is a widely recognized standard for welding structural steel. It provides guidelines for the design, fabrication, and inspection of welded structures, ensuring quality and safety in construction projects. This standard is essential for engineers, fabricators, and inspectors involved in steel construction. The American Welding Society (AWS) developed D1.1 to promote best practices in welding. It covers various aspects, including material specifications, welding procedures, and qualification requirements for welders. By adhering to these guidelines, professionals can ensure that welded structures meet industry standards and perform reliably over time.