Comparative Study of Mechanical Properties of TIG Welded Joints of Similar and Dissimilar Grades of Stainless Steel Material

Roop Lal; Mohd Shuaib; Vikal Paliwal

doi:https://doi.org/10.51976/ijari.631815

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Comparative Study of Mechanical Properties of TIG Welded Joints of Similar and Dissimilar Grades of Stainless Steel Material

Roop Lal, Mohd Shuaib, Vikal Paliwal

Vol 6 , Issue 3 , July - September 2018 | Pages: 100-106 | Research Paper

https://doi.org/10.51976/ijari.631815

Received: August 18, 2018 | Revised: August 28, 2018 | Accepted: September 02, 2018 | Published Online: September 15, 2018

Author Details ( * ) denotes Corresponding author

1. * Roop Lal, Department of Mechanical Engineering, Delhi Technological University, Delhi, India (rooplalrana@dce.ac.in)

2. Mohd Shuaib, Department of Mechanical Engineering, Delhi Technological University, Delhi, India (shuaib89141@gmail.com)

3. Vikal Paliwal, Department of Mechanical Engineering, Delhi Technological University, Delhi, India (vickyvp20@gmail.com)

This paper discuss and experimentally analyse the mechanical properties of TIG welded joints of similar and dissimilar grades of stainless steel and to find out the best joint. In this study. Different combinations from samples of AISI 304 and AISI 316 are welded under standard conditions by using Tungsten Inert Gas welding (TIG Welding) technique,.. The welded joints were tested for Tensile strength, Hardness & toughness and best combination is pointed out. The three combinations analysed were AISI 304-304, AISI 316-316 and AISI 304-316. It was found that the tensile strength and toughness of AISI 304-304 combination was highest and maximum hardness is observed in AISI 304-316 combination. The results indicate that there is not a single combination which excels in all tests.

Keywords

Tig Welding; AISI 304; AISI 316; Tensile Strength; Hardness;

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