Pengaruh Variasi Arus pada Pengelasan Baja ST37 Menggunakan Las Shield Metal Arc Welding (SMAW) dengan Posisi Pengelasan 3F

Welding is a very important part in the development and growth of industry because it has role engineering, repair construction. Shielded metal arc welding (SMAW) process joining two or more materials using wrapped electrode as heat energy to melt material. The purpose this study was determine effect defects that arise with current variations so optimal results obtained from 3 amperes were tested E6013 diameter 3,2 at 3F position fillet joint. This uses an experimental method material used St 37 steel variation 90A, 100A, 110A. From research conducted, not found where each ampere there still weld defect. occur three are caused by arc, angle, length exceed normal limit also influenced speed. amperage used, dominant did occur, namely 90 amperage, while 100 leg showed good results.