History of niobium as a microalloying element

This paper serves as an introduction to the session ‘Application of Niobium as a Microalloying Element’ at the International Conference Niobium 2001. It serves to outline the historical developments of niobium as a microalloying element through to the present day. Attention is given to the economic advantages of employing niobium as a microalloy and the various milestones of its development from plate steels through to advanced steels for the modern automobile. In addition, the equipment developments made within the steel industry are highlighted along with the invaluable contributions made by the various research groups and individuals within the metallurgical community. (AU)