The results of recent research from all over the world in the field of steel structures are represented by 209 papers from experts from 18 countries. The papers included in the proceedings are subdivided into chapters with titles cor- responding to the names of the Working sessions of the PSSC' 16 Conference. The papers are categorized into the following areas. 1: High-rises building and space structure; 2: Bridge, tower, marine and boiler; 3: Composite structure; 4: Connection behavior; 5: Member behavior; 6: Analytical and experimental methods; 7: Design concepts and methods; 8: New technology and material.