This presentation provides an overview of metallurgy concepts for non-metallurgists. It will cover phase transformations in metals, the iron-carbon diagram, heat treatment of steels, steel melting and rolling processes, the effect of alloying elements, welding metallurgy of carbon-manganese steels, material properties, and ASME code requirements for materials. The presenter has 18 years of experience in engineering and metallurgy and expertise in welding, heat treatment, steelmaking, and other areas. He has an MTech in Process Metallurgy from IIT Bombay and general management experience from IIM Ahmedabad.