Indian Welding Journal

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Some Metallurgical Aspects of Welding of Chromium-Molybdenum Creep-Resistant Steels


Affiliations
1 Department of Metallurgical Engineering, India
2 Malaviya Regional Engg. College, Jaipur-17, Rajasthan, India
     

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Cr-Mo creep resistant steels are used specially for power tubines and pipings due to their long term creep resistant properties at elevated temperatures and pressures. Welding is commonly required to join the different structural components made of this steel. Therefore weld joints should also possess required properties at elevated temperatures, which depend on correct choice of filler material, preheat treatment, post heat treatment and welding technique used. Possible failures of weld joints and their remedies have been discussed. Various welding processes for these steels are also reviewed.


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  • Some Metallurgical Aspects of Welding of Chromium-Molybdenum Creep-Resistant Steels

Abstract Views: 233  |  PDF Views: 4

Authors

Ashok Sharma
Department of Metallurgical Engineering, India
R. K. Yadava
Department of Metallurgical Engineering, India
T. V. Rajan
Malaviya Regional Engg. College, Jaipur-17, Rajasthan, India

Abstract


Cr-Mo creep resistant steels are used specially for power tubines and pipings due to their long term creep resistant properties at elevated temperatures and pressures. Welding is commonly required to join the different structural components made of this steel. Therefore weld joints should also possess required properties at elevated temperatures, which depend on correct choice of filler material, preheat treatment, post heat treatment and welding technique used. Possible failures of weld joints and their remedies have been discussed. Various welding processes for these steels are also reviewed.