Effect of Welding Using Electrodes with Certain Treatment on Stainless Steel 304 Using SMAW Welding

Iswanto ., Ribangun B. Jakaria, M. Sofwan Hariadi

Abstract


This paper will discuss how the influence of welding electrodes which before being used in the welding process is given a certain treatment first. The treatment is given to the welding electrode before the welding process is by dipping the welding electrode into the oil and dipping the welding electrode into the coolant. The effect of the welding electrode treatment on the SMAW welding results seen from the tensile strength. The specimen used is stainless steel type 304 with four welding variations. First, welding is carried out on type 304 stainless steel by using welding electrodes of type E308 Gutwelt. Second, welding using Nikko Steel type E308 welding electrodes. Third, welding using Nikko Steel type E308 welding electrodes that are oil dipped. Fourth, welding uses Nikko Steel type E308 welding electrodes which are dyed coolant. After tensile testing of the welding results, the results are obtained: welding using Gutwelt type E308 welding electrodes has greater tensile strength compared to using Nikko Steel type E308 welding electrodes. While welding using Nikko Steel type E308 welding electrodes that have been carried out certain treatments, namely by dipped coolant, produce greater tensile strength compared to using the Gutwelt type E308 welding electrodes. However, in welding using Nikko Steel type E308 welding electrodes that are oil dipped, the tensile strength is still lower than using a Gutwelt type E308 welding electrodes.

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