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753 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 NEW Wheel Type Phased Array Probe StandDoppler Electronic Technologies Co., Ltd DOPPLER NEW Wheel Type Phased Array Probe, more stable, new tyre makes lesser acoustic attenuation ... , much lighter makes easier to handle, more slim size, magnetic and mechanical encoder optional etc...more > 7 Showcases8 Videos Semi-Automated Phased Array Immersion System for Small Composite Parts StandTD NDE Turn-key semi-automated system as an improved and affordable solution for inspection of small comp ... osite parts. Includes support table, immersion tank, scanner, PA instrument, PC, Analysis software, database, wedge management and other options. > 5 Showcases3 Videos Trade-In Offer StandGuided Ultrasonics Ltd. We are offering our existing clients trade-in against Wavemaker® G3 systems, Standard (Blue) inflat ... able rings and modules for excellent deals on the latest Wavemaker® G4mini system. > 20 Showcases3 Videos High Resolution Industrial CT System for Small/Medium Size Parts Inspection StandYXLON International GmbH The YXLON FF35 CT computed tomography system is designed to achieve extremely precise inspection res ... ults for a wide range of applications. Available in a single or dual tube configuration, it is perfect for very small to medium size parts inspection in the automotive, electronics, aviation, and material science industries. > 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