VESTNIK of Samara University. Aerospace and Mechanical EngineeringVESTNIK of Samara University. Aerospace and Mechanical Engineering2542-04532541-7533Samara National Research University43010.18287/2541-7533-2006-0-2-2(10)-311-314UnknownProperties of the low-carbon steel 08AL welds11sadohina@ssau.ru11sadohina@ssau.ruTogliatti State University1808200652-231131423052014Copyright © 2015, VESTNIK of the Samara State Aerospace University2015<p>Analyzed problem of hardness increasing in the welds of steel 08Al of the tailored welded blanks (TWB). Given the description of the steel 08Al, TWB sampling by laser and WIG welding, mechanical tests and metallographic analysis, definition of thermal cycle of metal in molten pool. Revealed the hardness increasing result from reversion of the steel structure and bainite phase initiations.</p>