<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The present work was conducted to assess the weldability of duplex stainless steel in underwater conditions. Metal manual arc welding (MMA) with the use of coated electrodes was used in the investigations. Tekken weldability tests were performed underwater at 0.5 m depth and in the air. Nondestructive tests, metallographic examinations of welds, ferrite content assessment in microstructure and hardness test were performed. The good weldability at underwater conditions of duplex stainless with the use of MMA method was confirmed, however difficulties in stable arc burning were revealed.</p></abstract>

The present work was conducted to assess the weldability of duplex stainless steel in underwater conditions. Metal manual arc welding (MMA) with the use of coated electrodes was used in the investigations. Tekken weldability tests were performed underwater at 0.5 m depth and in the air. Nondestructive tests, metallographic examinations of welds, ferrite content assessment in microstructure and hardness test were performed. The good weldability at underwater conditions of duplex stainless with the use of MMA method was confirmed, however difficulties in stable arc burning were revealed.

The Effect of Wet Underwater Welding on Cold Cracking Susceptibility of Duplex Stainless Steel

Gdansk University of Technology, Faculty of Mechanical Engineering, Department of Materials and Welding Engineering,11/12 Narutowicza Street, 80-233 Gdansk, Poland

Advances in Materials Science

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

The present work was conducted to assess the weldability of duplex stainless steel in underwater conditions. Metal manual arc welding (MMA) with the use of...

The Effect of Wet Underwater Welding on Cold Cracking Susceptibility of Duplex Stainless Steel

Published Online: Aug 02, 2016

Page range: 68 - 77

DOI: https://doi.org/10.1515/adms-2016-0010

Keywords
duplex stainless steel, underwater welding, cold cracking

© 2016 J. Łabanowski et al., published by De Gruyter Open

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

The Effect of Wet Underwater Welding on Cold Cracking Susceptibility of Duplex Stainless Steel

Published Online: Aug 02, 2016

Page range: 68 - 77

DOI: https://doi.org/10.1515/adms-2016-0010

Keywordsduplex stainless steel, underwater welding, cold cracking

© 2016 J. Łabanowski et al., published by De Gruyter Open

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

Keywords
duplex stainless steel, underwater welding, cold cracking