TY JOUR TI TOPICAL ISSUES OF ENSURING THE QUALITY OF STEEL AS THE MAIN MATERIAL FOR THE PRODUCTION OF ENGINEERING PRODUCTS KW steel KW statistical processing of data on the quality KW indexes of the capabilities of processes KW the level of defective products JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Yurakova, T.G. AU Chernositova , E.. AU Levickaya, K.M. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov