Palippui H. Analysis of Effect of Temperature Variation Preheat on SMAW Welding of Microstructures, and ST60 and SS400 Steel Hardness. CBCER [Internet]. 2023 Jun. 29 [cited 2025 Oct. 16];1(1):13-9. Available from: https://findcollaborate.com/bookseries/index.php/cbcer/article/view/10