“Analisis Cacat Permukaan Dan Kekerasan Pada Stainless Steel 304 Hasil Pengelasan TIG Dengan Dan Tanpa Filler Rod : Analysis of Surface Defects and Hardness in 304 Stainless Steel from TIG Welding With and Without Filler Rod”. 2026. Journal of Technology, Innovation and Reseach in Engineering 1 (1): 7-12. https://journal.grahawidya.org/index.php/tire/article/view/17.