THE STUDY OF THE QUALITY OF HOT THIN BEAMS OBTAINED BY ROLLING ON A LONGITUDINAL WEDGE MILL - Mashekov S. A.; Kiyanbekova L. R.; Alshynova А. M.; Mashekova A. S.; Smailova G. A.; Urazbayeva R. E.; Tussupkaliyeva E. A. (NEWS of National Academy of Sciences of the Republic of Kazakhstan, 2018)