%0 Journal Article %T ENSURING QUALITY OF ASSEMBLY OF THE COLLECTOR OF THE BOILER UNIT %A Duyun, T.A. %A Bocharnikova, G.V. %K a collector of the boiler economizer, installation for welding, control of a welded seam, a macro-structure of a welded seam, defects of a welded seam %J Bulletin of Belgorod State Technological University named after. V. G. Shukhov %D 2017 %N 2 %P 4 %I Belgorod State Technological University named after V.G. Shukhov