<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The article presents problems accompanying the industrial TIG welding (142) of a heat exchanger perforated bottom made of steel clad with titanium B265 grade 1 with tubes made of titanium B338 grade 2. Research-related tests involved the making of test plates containing simulated imperfections formed during orbital welding. The above-named imperfections resulted from insufficient gas shielding during the welding process, the improper positioning of the tungsten electrode (excessively large or overly small circumference, around which the orbital welding process was performed), an excessive electrode travel rate being the consequence of an improperly set welding programme as well as excessively high welding current. Initial tests enabled the development of the orbital TIG welding of titanium tubes with the perforated bottom made of titanium-clad steel, satisfying acceptance criteria applied during commissioning.</p></abstract>

The article presents problems accompanying the industrial TIG welding (142) of a heat exchanger perforated bottom made of steel clad with titanium B265 grade 1 with tubes made of titanium B338 grade 2. Research-related tests involved the making of test plates containing simulated imperfections formed during orbital welding. The above-named imperfections resulted from insufficient gas shielding during the welding process, the improper positioning of the tungsten electrode (excessively large or overly small circumference, around which the orbital welding process was performed), an excessive electrode travel rate being the consequence of an improperly set welding programme as well as excessively high welding current. Initial tests enabled the development of the orbital TIG welding of titanium tubes with the perforated bottom made of titanium-clad steel, satisfying acceptance criteria applied during commissioning.

Orbital TIG Welding of Titanium Tubes with Perforated Bottom Made of Titanium-Clad Steel

Faculty of Mechanical Engineering, Department of Welding Engineering Konarskiego

Advances in Materials Science

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The article presents problems accompanying the industrial TIG welding (142) of a heat exchanger perforated bottom made of steel clad with titanium B265 grade 1...

Orbital TIG Welding of Titanium Tubes with Perforated Bottom Made of Titanium-Clad Steel

Published Online: Oct 11, 2019

Page range: 55 - 64

DOI: https://doi.org/10.2478/adms-2019-0017

Keywords
orbital welding, TIG, perforated bottom, titanium, clad steel

© 2019 J. Górka et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Orbital TIG Welding of Titanium Tubes with Perforated Bottom Made of Titanium-Clad Steel

Published Online: Oct 11, 2019

Page range: 55 - 64

DOI: https://doi.org/10.2478/adms-2019-0017

Keywordsorbital welding, TIG, perforated bottom, titanium, clad steel

© 2019 J. Górka et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
orbital welding, TIG, perforated bottom, titanium, clad steel