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Januar, Muhammad (2026) Evaluasi Overlay Welding pada Pipa Baja Karbon ASTM A106 Grade B Diameter Pipa 2 Inch 2.5 Inch dan 3 inch dengan Pengelasan SMAW 2 dan 4 Layer Serta Arah Pengelasan Longitudinal dan Circumferential Melalui Pengujian Hardness Vickers Evalution of Overlay Welding on ASTM A106 Grade B Carbon Steel Pipes with Diameters of 2 Inch 2.5 Inch and 3 Inch Using SMAW with 2 and 4 Layers and Welding Directions of Longitudinal and Circumferential through Vickers Hardness Testing. Skripsi(S1) thesis, Universitas Pasundan.