Resource-saving preparation of the 38KHGNM steel surface for heading of automobile componentsAleksey Filippov, German Pachurin, Diana Goncharova, Gor Gevorgyan, Mariia Mukhina, Irina Trunova and Natalia KoniukhovaE3S Web Conf., 157 (2020) 01006DOI: https://doi.org/10.1051/e3sconf/202015701006