Technical Basis for ASME Section VIII Code Case 2235 on Ultrasonic Examination of Welds in Lieu of Radiography

Technical Basis for ASME Section VIII Code Case 2235 on Ultrasonic Examination of Welds in Lieu of Radiography

In 1996, Code Case 2235, which allows ultrasonic examination of welds in lieu of radiography for ASME Section VIII Division 1 and Division 2 vessels, was approved by the ASME B&PV Code Committee. This Code Case has been revised to incorporate: 1) a reduction in minimum usable thickness from 4″ (...

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Veröffentlicht in:Journal of pressure vessel technology 2001-08, Vol.123 (3), p.338-345
Hauptverfasser: Rana, Mahendra D, Hedden, Owen, Cowfer, Dave, Boyce, Roger
Format: Artikel
Sprache:eng
Schlagworte:
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Deformation and plasticity (including yield, ductility, and superplasticity)
Exact sciences and technology
Fatigue, brittleness, fracture, and cracks
Joining
welding
Materials science
Materials synthesis
materials processing
Mechanical and acoustical properties of condensed matter
Mechanical properties of solids
Physics
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Zusammenfassung:In 1996, Code Case 2235, which allows ultrasonic examination of welds in lieu of radiography for ASME Section VIII Division 1 and Division 2 vessels, was approved by the ASME B&PV Code Committee. This Code Case has been revised to incorporate: 1) a reduction in minimum usable thickness from 4″ (107.6 mm) to 0.5″ (12.7 mm), and 2) flaw acceptance criteria including rules on multiple flaws. A linear elastic fracture mechanics procedure has been used in developing the flaw acceptance criteria. This paper presents the technical basis for Code Case 2235.
ISSN:0094-9930
1528-8978
DOI:10.1115/1.1376719