%0 Journal Article %T Analysis of factors providing efficiency of load-bearing elements of the car body. %A Lozbinev, V.. %K load-bearing structure, strength, stability, survivability load-bearing elements.The article presents the results of research for upsetting tool inserts made of hard alloy VK-20 different manufacturers. All studies were performed according to standard procedures using cer-tified equipment. The results showed that the majority of the inserts (80%) did not meet the re-quirements of GOST 3882-74 for a hard alloy VK20 %J Bulletin of Bryansk state technical university %D 2015 %N 2015 %P 4 %I Bryansk State Technical University