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New Challenges in the Production of Ultra Large Forgings for the Manufacturing of Pressure Vessels

[+] Author Affiliations
Jesus Talamantes-Silva, Sinan Al-Bermani, Peter Davies

Sheffield Forgemasters RD26 Ltd., Sheffield, England, UK

Paul Bates

Sheffield Forgemasters International Ltd., Sheffield, England, UK

Andrew Hambleton, David Bunney

Sheffield Forgemasters Engineering Ltd., Sheffield, England, UK

Paper No. PVP2013-97927, pp. V005T05A013; 9 pages
doi:10.1115/PVP2013-97927
From:
  • ASME 2013 Pressure Vessels and Piping Conference
  • Volume 5: High-Pressure Technology; ASME NDE Division; Rudy Scavuzzo Student Paper Symposium
  • Paris, France, July 14–18, 2013
  • Conference Sponsors: Pressure Vessels and Piping Division, Nondestructive Evaluation Engineering Division
  • ISBN: 978-0-7918-5569-0
  • Copyright © 2013 by ASME

abstract

The latest designs of Pressure Vessels (PV), coupled with recently introduced ASME section VIII Division 3 revised code requirements, have brought about new challenges in both alloy suitability and manufacture for these safety critical components. Sheffield Forgemasters International has produced and reconditioned numerous PV forgings during the last fifty years and current demand on section sizes conveys a real challenge when trying to meet specified mechanical properties. This paper describes the technological concerns encountered when manufacturing these components and discusses the limits of what can be achieved with current practice and alloy compositions. Particular attention is given to current code testing requirements and the difficulties in obtaining an acceptable balance of strength and toughness in the mid wall of thick section large forgings.

Copyright © 2013 by ASME

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