The role of chromium during austempering of ductile iron Arnoldo Bedolla-Jacuinde, Román Angel Hernandez-Hernandez, Francisco Vapeani Guerra and Ignacio Mejia Metall. Res. Technol., 117 1 (2020) 104 Published online: 20 January 2020 DOI: 10.1051/metal/2019072