Controlled atmosphere GMAW welding of transportation vehicles and production machines parts made from 30MnB5 steelEvgeny Ivanayskiy, Aleksei Ishkov, Aleksandr Ivanayskiy and Iakov OchakovskiiMATEC Web Conf., 216 (2018) 03001DOI: https://doi.org/10.1051/matecconf/201821603001