Effect of SMAW Dissimilar Welding Current on Mechanical Properties of Low Carbon Steel AISI 1010 and Stainless Steel SUS304

Abstract

Abstract This research presents the results of dissimilar welding for low-carbon steel AISI 1010 and stainless steel SUS 304. These were welded by shield metal arc welding with various currents such as 60A, 75A, and 90A. The test was performed to examine mechanical properties such as tensile strength, hardness, and microstructure. The welding current of 60A has the highest tensile strength value and the lowest strain. The microstructure of the metal weld contained austenite and lath ferrite. The hardness test indicates that the weld metal area has the highest hardness value with the welding parameter of current at 75A. Based on the present work, it was concluded that a welding current of 75A was the most suitable welding procedure for joining dissimilar low-carbon steel AISI 1010 and stainless steel SUS 304.

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