Effect of BaSO4 on the compressive strength and reduction behavior of pellets Jiantao Ju, Chenmei Tang, Xiangdong Xing, Shan Ren and Guangheng Ji Metall. Res. Technol., 117 2 (2020) 207 Published online: 17 April 2020 DOI: 10.1051/metal/2020022