2017
DOI: 10.4172/2321-6212.1000201
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Effect of TIG Welding Parameters on the Properties of 304L Automated Girth Welded Pipes Using Orbital Welding Machine

Abstract: In this study, the effect of TIG welding parameters like pulse rate, pulse frequency, arc travel speed and wire feed rate on the properties of girth welding of SS 304L were experimentally examined. ER 308L filler wire was used for reinforcement of weld. The pipes were welded by using orbital welding machine. Samples were made by varying above mentioned parameters. Tensile, bend and hardness tests were performed to examine mechanical properties. It was examined that the sample welded at 90A pulse current was so… Show more

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Cited by 2 publications
(4 citation statements)
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“…HAZ of dissimilar weldments and small amount of δ-ferrite leads to the precipitation of austenite, ferrite and martensite. Thus it is desirable to retain the consequence of various heat-input parameters during dissimilar welding [8][9][10]. Dissimilar weldments exhibit structural application in nuclear power plants as a heat exchanger [11].…”
Section: Introductionmentioning
confidence: 99%
“…HAZ of dissimilar weldments and small amount of δ-ferrite leads to the precipitation of austenite, ferrite and martensite. Thus it is desirable to retain the consequence of various heat-input parameters during dissimilar welding [8][9][10]. Dissimilar weldments exhibit structural application in nuclear power plants as a heat exchanger [11].…”
Section: Introductionmentioning
confidence: 99%
“…This model explains that only the three terms (B, B², and AB) have the highest effect on the maximum bending force. For the normal probability plot shown in figure (8) for the maximum bending force data, the residuals that mostly that falling on a straight line implying errors, are normally distributed. And, figure (9) manifests the residuals against the predicted outputs for the results of maximum bending force.…”
Section: The Maximum Bending Force Modelmentioning
confidence: 97%
“…For more accuracy and to verify the validation of the maximum values of the maximum bending force shown in table (7), the confirmation tests were done at the optimum values of current and gas pressure. The confirmation tests average results are listed in table (8) for the comparison purpose between the results of experimental and predicted. The maximum error between the experimental and predicted for maximum bending force is about 3.8%.…”
Section: Confirmation Tests At the Optimum Conditionsmentioning
confidence: 99%
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