Analysis of the Effect of Annealing and Galvalume Coating Processes on the Tensile Strength and Hardness of Cold Rolled Steel Materials (Cold Rolled Coil). niskala [Internet]. 2026 Sep. 14 [cited 2026 Oct. 16];1(1):258-63. Available from: https://jurnal.wastukancana.ac.id/index.php/niskala/article/view/614