This book presents the impact of digital transformation and other megatrends on the steel industry, focusing on the digitization of processes, and the automation and robotization of operations in steel companies. Technological innovations in the steel industry are presented, as well as the changes taking place within the supply chains An essential part of the book is the results of direct research, which deal with the transformation of enterprises to smart steel manufacturing. The research was done on the Polish steel market, which is an open market with foreign capital. Exploring a sample of representatives of steel companies that serve both domestic and foreign markets, this book discusses the implementation of the pillars of Industry 4.0 as well as the strategic transformation of the steel industry.