Effect of welding and heat treatment on the properties of UHSS used in automotive industry Gulshan Noorsumar, Dmitry Vysochinskiy, Even Englund, Kjell G. Robbersmyr and Svitlana Rogovchenko EPJ Web Conf., 250 (2021) 05015 Published online: 09 September 2021 DOI: 10.1051/epjconf/202125005015