CONGRATULATIONS to everyone who participated in the April 2023 Issue of  Volume.15 Number.1.  AUSTENIT (pISSN 2085-1286 and eISSN 2622-7649) is a peer-reviewed open access journal published by Mechanical Engineering Department, Politeknik Negeri Sriwijaya. On this edition, AUSTENIT was published to ten articles written by researchers and Industry expert practitioners from Indonesia and VietNam. It is hoped that this edition can be used as the further references and provide scientific contributions to the readers. Thank you so much for selecting the AUSTENIT as your publisher such a highly quality journal. Kindly Regards, Editor in Chief.