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Study the Effect of Welding Parameters on MIG Welding of Stainless Steel Alloy-202


Author(s):

Bhuvan Bhardwaj , Chandigarh Engineering College, Landran, Punjab, India; Rajdeep Singh, Chandigarh Engineering College, Landran, Punjab, India; Ravinder Singh, Chandigarh Engineering College, Landran, Punjab, India

Keywords:

MIG Welding Machine, Stainless Steel Alloy 202, Hardness, Tensile Strength

Abstract:

AISI 202 SS (Stainless Steel) has similar mechanical property as compare to AISI 304 SS grade, but its ability to resist corrosion is somewhat less as compare to AISI 304 SS grade in chloride environment. But it is very inexpensive so we can use it in indoor applications like indoor fabrication, automobile trim and application where atmosphere is not a considerable factor. But there is very less research reported on welding of AISI 202 SS grade. In order to find out the weakest locations of the joints and determine the optimum MIG welding parameters, this present work aims to demonstrate its MIG weldability and the emphasis is placed on the relations of the tensile properties and hardness to the welding parameters. To improve welding quality of Stainless Steel 202 (SS-202) is welded with MIG welding system by changing different welding parameters. Effect of welding current, gas flow rate (CO2) and welding speed on the tensile strength and hardness of the weld joint has been investigated. Optical microscopic analysis has been done on the weld zone to evaluate the effect of welding parameters on welding quality. Micro-hardness value of the welded zone has been measured at the cross section to understand the change in mechanical property of the welded zone.


Other Details:

Manuscript Id :IJSTEV4I1042
Published in :Volume : 4, Issue : 1
Publication Date: 01/08/2017
Page(s): 131-140
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