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Special! Free shipping on this item!
| Title: |
EPRG guidelines on the assessment of defects in transmission pipeline girth welds – Revision 2014 |
| Category: |
|
| Downloadable: |
Yes  |
| Project No.: |
|
| Research
Agency: |
|
| Catalog No.: |
2339s |
| Date
of Publication: |
2015-03-01 |
| Price: |
$25.00
|
| Authors: |
Dr Robert M Andrews, Prof. Rudi M Denys, Dr Gerhard Knauf, and Dr Mures Zarea |
| Abstract: |
THE 1996 EDITION of the EPRG guidelines
on the assessment of defects in
transmission pipeline girth welds has
been reviewed to extend their range of
application. The revised 2014 guidelines
replace and retain the three-tier
structure of the old guidelines. The 2014
guidelines can be used for pipe grades up
to X-80 and defect heights greater than 3
mm. A novel defect interaction criterion
is given for co-planar defects in girth
welds which comply with the EPRG material
and performance requirements.
Additionally, guidance on the pipe
material and weld-metal testing
requirements is given. The new guidelines
provide conservative allowable defect
sizes as they are fully validated by
curved-wide-plate (CWP) test data. The
guidelines are simple, transparent, and
can be applied by users without requiring
extensive experience in fracture
mechanics. |
|
