The objective of this investigation was to evaluate the efficacy of different weld repair techniques as applied to service-aged 2-1/4Cr-1Mo steel weldments. A header which had been in service for 244,000 h at 1050°F (565°C) was utilized for the study. Three girth welds were partially excavated and subjected to repairs using gas tungsten arc welding (GTAW), shielded metal arc welding (SMAW) with postweld heat treatment (PWHT), and without postweld heat treatment using a temperbead technique. Results show that all the weld repairs improved the creep rupture lives of the ex-service weldments and that remaining lives of several decades could be achieved in the repaired condition. The SMAW-temperbead repairs resulted in increase of rupture life, tensile strength, and impact toughness compared to the SMAW-PWHT repairs. The GTAW-PWHT repairs also produced a superior combination of mechanical properties. Remaining creep rupture lives were a function of the extrapolation procedure and specimen size. These results are described here and discussed in comparison with results previously reported for a less severely degraded condition of the steel in order to delineate the effect of prior degradation on weld repair performance.
Skip Nav Destination
Article navigation
November 1999
Research Papers
Weld Repair of 2-1/4Cr-1Mo Service-Aged Header Welds
R. Viswanathan,
R. Viswanathan
Electric Power Research Institute, 3412 Hillview Avenue, Palo Alto, CA 94304-1395
Search for other works by this author on:
D. Gandy,
D. Gandy
Materials and Fossil Application, Repair and Replacement Applications Center, Electric Power Research Institute, Charlotte, NC 28262
Search for other works by this author on:
S. Findlan
S. Findlan
Repair and Replacement Applications Center, Electric Power Research Institute, Charlotte, NC 28262
Search for other works by this author on:
R. Viswanathan
Electric Power Research Institute, 3412 Hillview Avenue, Palo Alto, CA 94304-1395
D. Gandy
Materials and Fossil Application, Repair and Replacement Applications Center, Electric Power Research Institute, Charlotte, NC 28262
S. Findlan
Repair and Replacement Applications Center, Electric Power Research Institute, Charlotte, NC 28262
J. Pressure Vessel Technol. Nov 1999, 121(4): 345-352 (8 pages)
Published Online: November 1, 1999
Article history
Received:
July 23, 1998
Revised:
June 9, 1999
Online:
February 11, 2008
Citation
Viswanathan, R., Gandy, D., and Findlan, S. (November 1, 1999). "Weld Repair of 2-1/4Cr-1Mo Service-Aged Header Welds." ASME. J. Pressure Vessel Technol. November 1999; 121(4): 345–352. https://doi.org/10.1115/1.2883713
Download citation file:
Get Email Alerts
Cited By
Measurement of Steam-Generator-Tube Vibration Damping Caused by Anti-Vibration-Bar Supports
J. Pressure Vessel Technol (February 2025)
Related Articles
Autogenous Tungsten Inert Gas and Gas Tungsten Arc With Filler Welding of Dissimilar P91 and P92 Steels
J. Pressure Vessel Technol (April,2018)
Weldment Evaluation of High Pressure Steam Rotors
J. Eng. Ind (November,1994)
Effect of Different Arc Welding Processes on the Metallurgical and Mechanical Properties of Ramor 500 Armor Steel
J. Eng. Mater. Technol (April,2020)
Mechanical Properties and Structure of Laser Beam and Wide Gap Brazed Joints Produced Using Mar M247–Amdry DF3 Powders
J. Eng. Gas Turbines Power (April,2019)
Related Proceedings Papers
Related Chapters
Subsection NE — Class MC Components
Companion Guide to the ASME Boiler and Pressure Vessel Code, Volume 1, Third Edition
Subsection NE—Class MC Components
Companion Guide to the ASME Boiler & Pressure Vessel Code, Volume 1, Second Edition
Section VIII: Division 2—Alternative Rules
Companion Guide to the ASME Boiler & Pressure Vessel Code, Volume 2, Second Edition: Criteria and Commentary on Select Aspects of the Boiler & Pressure Vessel and Piping Codes