where expertise comes together - since 1996 -

The Largest Open Access Portal of Nondestructive Testing (NDT)

Conference Proceedings, Articles, News, Exhibition, Forum, Network and more

where expertise comes together
- since 1996 -

Canadian Institute for NDE
We are specialized in training for Radiography, Ultrasonics, Magnetic Particle, Liquid Penetrant, Eddy Current and emerging NDT technologies.
844 views
Technical Discussions
Martin KUNA
Engineering,
VUJE Trnava a.s., Slovak Republic, Joined Nov 1998, 1

Martin KUNA

Engineering,
VUJE Trnava a.s.,
Slovak Republic,
Joined Nov 1998
1
04:54 Jul-10-2002
UT detection of SG tube sheet cracks

I need information about the UT technique for detection axial cracks in the tube sheet of horizontal steam generator of NPP WWER 440 type. Material of tube sheet is Cr18N10T. The tube sheet has cylindrical shape with inner diameter 800mm and the wall thickness 135mm. Cracks may start from inner surface or from the holes of tube sheet. Inspection possibilty is only from inner side of tube sheet.


 
 Reply 
 
Jim Knowles
Jim Knowles
05:48 Jul-10-2002
Re: UT detection of SG tube sheet cracks
: I need information about the UT technique for detection axial cracks in the tube sheet of horizontal steam generator of NPP WWER 440 type. Material of tube sheet is Cr18N10T. The tube sheet has cylindrical shape with inner diameter 800mm and the wall thickness 135mm. Cracks may start from inner surface or from the holes of tube sheet. Inspection possibilty is only from inner side of tube sheet.
.
It may be possible to supply special tube to tube sheet scanner for this geometry using conventional ultrasonic equipment.
Please provide detail and sizes for consideration.



 
 Reply 
 
Leif Jeppesen
R & D
FORCE Technology, Denmark, Joined Nov 1998, 6

Leif Jeppesen

R & D
FORCE Technology,
Denmark,
Joined Nov 1998
6
08:22 Jul-11-2002
Re: UT detection of SG tube sheet cracks
Dera Sir,,

A scanner for WWER steam generator inspection has already been made for the P-scan System 4 and is used by one of our customers. The scanner can be seen at www.p-scan.com under the "Spec. applications scanners" tab. If you provide me with you address I can forward a CD showing the operation of the 5-axis scanner.

Regards

Leif Jeppesen


: I need information about the UT technique for detection axial cracks in the tube sheet of horizontal steam generator of NPP WWER 440 type. Material of tube sheet is Cr18N10T. The tube sheet has cylindrical shape with inner diameter 800mm and the wall thickness 135mm. Cracks may start from inner surface or from the holes of tube sheet. Inspection possibilty is only from inner side of tube sheet.
.



 
 Reply 
 

Product Spotlight

FD800 Bench Top Flaw Detectors

The bench-top FD800 flaw detector range combines state-of-the-art flaw detection with advanced mater
...
ial thickness capabilities. Designed for use in the laboratory these gauges are the tool you need for all your flaw detecting needs.
>

Ultrasonic Squirter/Gantry System

TecScan’s NDT Ultrasonic Gantry Systems are industrial Squirter scanners designed for non-destru
...
ctive quality testing and raster scanning of large structures and parts. The Gantry Systems are usually composed of an Industrial Mechanical Scanner and a Control Room with System Workstation.
>

iProbe - USB Phased Array Probe

Turn your PC, Laptop or Tablet into a powerful 32:64 Phased Array system with our USB powered Phas
...
ed Array iProbe and inspection software package. Perform affordable weld inspection and corrosion mapping inspections with this powerful but small system. The probe has a 100V pulser, 8K PRF, dual axis encoder input and achieves outstanding signal quality.
>

Sci Aps Z-Series Portable Handheld Analysers

The world’s only handheld analyzer that measures carbon content in stainless (yes even L-grades),s
...
teels, and cast irons. Also accepted for low Si analysis for sulfidic corrosion analysis, and is widely used in the power industry for Cr analysis, for flow accelerated corrosion applications.
>

Share...
We use technical and analytics cookies to ensure that we will give you the best experience of our website - More Info
Accept
top
this is debug window