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Saputra, Rizky Andi (2025) Analisa Pengaruh Variasi Arus Las dan Temperatur pada Proses Preheating Baja Aisi 1045 Terhadap Sifat Mekanik. (Analysis of the Influence of Welding Current and Temperature Variations on the Preheating Process of AISI 1045 Steel on Mechanical Properties). Undergraduate thesis, Universitas 17 Agustus 1945 Surabaya.