Comparative Study of SMAW Welding Results Using RD460 ∅3.2 Electrodes and LB52 ∅3.2 Electrodes with Bending Test on Low Carbon Steel with 10mm Thickness
Keywords:
Welding, SMAW, RD460 Electrode, LB52, Low Carbon Steel, Bending Test, Toughness, Welding DefectsAbstract
This study aims to examine the differences in the welding strength using SMAW electrodes RD460 Ø3.2 and LB52 Ø3.2 on low carbon steel through bending tests. The testing was conducted on V-groove joint welds with a 10 mm thickness, and the welding procedure was regulated according to the Welding Procedure Specification (WPS). The welding process used a current range of 80-120 A, with a 1G (downhand) position and zigzag and spiral weld patterns. The results showed that welding with the LB52 Ø3.2 electrode produced higher tensile strength (3-3.5 tons) compared to RD460 Ø3.2 (2-2.5 tons), despite defects such as cracks, undercuts, and slag inclusions. Based on these results, it can be concluded that the LB52 Ø3.2 electrode has better toughness than RD460 Ø3.2 in low carbon steel welding. This study is expected to provide new insights into welding and serve as a practical reference for the industry.
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Copyright (c) 2025 Muhlis Hijjah (Author)
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