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Suhudi, Eric Pratama Putra (2024) Analisis Pengaruh PWHT pada Pengelasan Plat Baja S45c dengan Variasi Diameter Elektroda dan Arus Pengelasan Terhadap Kekerasan dan Kekuatan Impak. (Analysis of The Effect of PWHT on Smaw Welding of S45c Steel Plate With Variations in Electrode Diameter and Welding Current on Hardness and Impact Strength). Undergraduate thesis, Universitas 17 Agustus 1945 Surabaya.