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782 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  Translate  Close   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  Translate  Close   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  Translate  Close   Product Spotlight Cygnus 6+ PRO Multi-Mode Ultrasonic Thickness Gauge StandCygnus Instruments Ltd The Cygnus 6+ PRO thickness gauge is the most advance gauge within the Cygnus range with key featu ... res including: comprehensive data logging; A-scan and B-scan display; manual gain control; Bluetooth connectivity; and much more. With its unique dual display and three measuring modes (Multiple-Echo, Echo-Echo and Single-Echo), this surface thickness gauge offers maximum versatility for inspections. > 5 Showcases5 Videos FlexoFORM™ StandOlympus Scientific Solutions Americas The FlexoFORM™ solution integrates flexible phased array probe technology in a scanner to solv ... e the challenges that come with inspecting pipe elbows. When combined with a water column, this solution can be used to collect easy-to-interpret data on elbows with diameters ranging from 4.5 in. OD up to flat and offers many benefits. > 35 Showcases9 Videos GEKKO - Portable Phased Array Testing with TFM in Real-Time StandKARL DEUTSCH The portable phased array testing system GEKKO provides 64 parallel test channels. On creating testi ... ng parameters the operator is assisted by the CIVA software. Due to its modular set-up the GEKKO instrument is suitable for operators of all skill levels. > 4 Showcases5 Videos Ultrasonic tomograph for imaging of concrete structures А1040 MIRA StandACS-Solutions GmbH Applicable for concrete inspection allowing imaging of the internal structure of objects from conc ... rete, reinforced concrete, different stones. The operation applies pulse-echo technique at one-side access to the object. The instrument is feasible for concrete inspection for searching conduct ducts, conduits, detection of foreign inclusions, holes, honeycombing, cracks and other concrete defects. > 5 Showcases3 Videos more Showcases Share... Home Exhibition Archive Forum Jobs Members Events Directory NDT A-Z Advertise Privacy Policy Contact About © NDT.net - Where expertise comes together. The Largest Open Access Portal of Nondestructive Testing (NDT)- since 1996 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