This special technical publication, Formability Topics—MetallicMaterials, contains papers presented at the 1977 Symposium onFormability, held in Toronto, Canada, on 4 May 1977. The symposiumwas sponsored by the American Society for Testing and Materialsthrough its Committee E28 on Mechanical Testing. B. A. Niemeier,Reynolds Metals Company, and A. K. Schmieder, General ElectricCompany, presided as cochairmen of the symposium; B. A. Niemeierand J. R. Newby, Armco Steel Corporation, served as editors of thispublication.