It has been recognized that repair welding plays an important role in the long term, safe operation of pressure equipment. In 2009, The Japan Welding Society (JWES) published guidelines for repair welding of pressure equipment [1], to meet the great need for the safe operation and proper maintenance of aging plants. Pressure equipments made from carbon steel, high tensile steel and Cr-Mo steels are utilized for high pressure services. The subject equipments are pressure vessels, heat exchangers, piping, and storage tanks for petroleum, petrochemical and liquefied natural gas industry. This paper summarizes category and property of these steels and repair welding method including special attention. Especially, weld cold cracking for these steels could be prevented by controlling the repair welding and post-weld heat treatment process to reduce the hydrogen content, hardness and weld residual stress.
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ASME 2011 Pressure Vessels and Piping Conference
July 17–21, 2011
Baltimore, Maryland, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-4457-1
PROCEEDINGS PAPER
Guidelines for Repair Welding of Pressure Equipment in Refinery and Chemical Plants: Part 3—Repair Welding for Specific Materials - Carbon Steel, High Tensile Steel and Cr-Mo Steel
Rinzo Kayano,
Rinzo Kayano
The Japan Steel Works, Ltd., Muroran, Japan
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Masamitsu Abe,
Masamitsu Abe
Hitachi Zosen Corporation, Kumamoto, Japan
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Yukio Hirai
Yukio Hirai
Lloyd’s Register Japan, Chiba, Japan
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Rinzo Kayano
The Japan Steel Works, Ltd., Muroran, Japan
Masamitsu Abe
Hitachi Zosen Corporation, Kumamoto, Japan
Yukio Hirai
Lloyd’s Register Japan, Chiba, Japan
Paper No:
PVP2011-57079, pp. 147-155; 9 pages
Published Online:
May 21, 2012
Citation
Kayano, R, Abe, M, & Hirai, Y. "Guidelines for Repair Welding of Pressure Equipment in Refinery and Chemical Plants: Part 3—Repair Welding for Specific Materials - Carbon Steel, High Tensile Steel and Cr-Mo Steel." Proceedings of the ASME 2011 Pressure Vessels and Piping Conference. Volume 7: Operations, Applications, and Components. Baltimore, Maryland, USA. July 17–21, 2011. pp. 147-155. ASME. https://doi.org/10.1115/PVP2011-57079
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