Kaliuzhnyi, A., Kaliuzhnyi, V. and Chuchin, O. 2024. Influence of the cone punch angle on the flanging of holes in a profiled sheet billet. Materials working by pressure. 1(53) (Dec. 2024), 67–79. DOI:https://doi.org/10.37142/2076-2151/2024-1(53)67.