Differential thermal expansion and welding problems in dissimilar joint of carbon steel to austenitic stainless-steel piping in high-temperature applications

Mrinmoy Ghosh Choudhury is an engineering professional with extensive experience in process plant engineering from concept to commissioning with a special emphasis on piping and plant engineering, including concept layout, stress and support or materials. He has been involved in problem-solving related to plant startups like vibration, rotary equipment alignment, piping/equipment system failures, etc. Choudhury has contributed numerous case studies and articles to reputed international publications, and previously worked for Reliance Engineering (Mumbai and Jamnagar), Toyo Engineering India, Chemtex Engineering India, Engineers India Ltd. and DCPL India.

Vivek Kumar Tiwari has more than 15 yr of experience in process plant design and piping material engineering. He is regularly involved in piping material functions, including solving the issues related to piping materials during the design to commissioning stages of process plants. Tiwari holds a B.Tech. degree in chemical engineering and works for Reliance Industries Ltd., India.

Avijit Ashesh works as a Piping Engineer at KBR, Gurgaon, India. He has more than 15 yr of experience in the design, engineering and troubleshooting of piping systems for the fertilizer, refining and petrochemical industries. Prior to joining KBR, he has been associated with PDIL, Samsung Engineering and Fluor Corp.