A DETAILED STUDY ON OPTIMIZATION ON GAS TUNGSTEN ARC WELDING PROCESS OF AUSTENITIC STAINLESS STEELS (304 & 316L)

  • Unique Paper ID: 151383
  • Volume: 7
  • Issue: 12
  • PageNo: 694-699
  • Abstract:
  • Stainless steel has huge applications in daily life. Here I take AISI 304 and AISI 316 L using the filler of 316 l. In the present study, investigation of tungsten inert gas (TIG) welding techniques for similar butt joint of 304 and 316L stainless steel sheets was carried out. The effects of voltage, traveling speed and yield strength, elongation, hardness and weld width were investigated. Moreover, in order to examine the mechanical and metallurgical behavior of the weld, microstructure analysis was used. It was observed that strength and toughness of samples decreased by increasing voltage in TIG. There is zero cracks, porosity, blow holes, spatter found in welding process of plate using non consumable tungsten electrode with argon gas and also the microstructure study shows that the welding is self cooled welding structure with fine austenitic structure and very little heat affected zone found in this process.

Related Articles