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768 views Technical Discussions daniel iordache daniel iordache 06:21 May-07-2004 tank's plate lamination- evaluation hello. does anyone know how to evaluate laminations that where found in first course of 30000 bls oil storage tank . subject oil storage tank -30000 bls first course content 12 plates- for each one at ut survey have been found 7-20 areas affected by lamination wide fro 20 x20mm to 800 x 500mm at depthes from 5 to 10 mm - nominal thickness is 14-15mm. is rejected or accepted -i will send the original report thanks daniel                  Reply  Translate  Close   Richard Kazares Richard Kazares 07:41 May-07-2004 Re: tank's plate lamination- evaluation The issue with laminations - is not necessarily that they exist - there are many tanks and other structures with delaminations present. The issue is "Do they connect in some way?" I.E. do the seperate parallel delaminations - have "tentacles" that span the perpendicular directions between the individual delaminations. There are UT techniques to determine if they are present - and the presence of those tentacles can GREATLY weaken the structure. Delaminations on their own, may be OK. Hope that helps a little. ----------- Start Original Message ----------- : hello. : does anyone know how to evaluate laminations that where found in first course of 30000 bls oil storage tank . : subject oil storage tank -30000 bls : first course content 12 plates- : for each one at ut survey have been found 7-20 areas affected by lamination wide fro 20 x20mm to 800 x 500mm at depthes from 5 to 10 mm - nominal thickness is 14-15mm. : is rejected or accepted : -i will send the original report : thanks daniel ------------ End Original Message ------------                  Reply  Translate  Close   Milt Deck Milt Deck 06:49 May-10-2004 Re: tank's plate lamination- evaluation To comment on the problem we would like to see the original report. RANGER Inspection Ltd specializes in UT services and tank inspections. Regards Milt Deck www.rangerinspection.com                  Reply  Translate  Close   John O'Brien Consultant, - Chevron ETC , USA, Joined Jan 2000, 278 John O'Brien Consultant, - Chevron ETC , USA, Joined Jan 2000 278 02:31 May-11-2004 Re: tank's plate lamination- evaluation Look at API RP 579 Fitness For Service Section 7. Level 1 a Lamination is acceptable regardless of size so long as it is more than 1.8 x Square Root of D (inside Shell diameter) x tnom (where tnom is the nominal wall thickness) If you need more specific assistance or an independnet evaluation please contact us.                  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 Ultrasonic Testing Immersion Tanks with Unmatched Scanning Features StandTecScan Systems TecScan’s non-destructive testing Ultrasonic Immersion Tanks & scanners are designed for high perf ... ormance and demanding NDT testing applications. Our Scan3D™ line of High Precision Immersion Tanks are specifically designed for automated ultrasonic testing of complex composites parts used in aerospace and industrial applications. > 5 Showcases4 Videos X-ray CT aids research into defect formation in AM parts StandNikon Metrology X-ray CT is used to research how additive manufacturing process parameters influence defect format ... ion in AM parts. > 6 Showcases3 Videos SITEX CPSERIES StandTeledyne ICM Teledyne ICM’s CPSERIES has been designed with a view to revolutionizing the handling and perfor ... mances of portable X-Ray sets. Despite having managed to halve the weight of similar portable X-Ray generators available on the market (while continuing to provide the same power output), the SITEX CPSERIES generators feature a shutter, a laser pointer, a beryllium window, an aluminum filter and two integrated diaphragms (customized sizes are available upon request). Without compromising the robustness and reliability for which ICM products are renowned, the small size and light weight of the SITEX CPSERIES will radically change the way that you perform your RT inspections. And you will see a positive impact in terms of both quality and return on investment (ROI). > 2 Showcases more Showcases Share... Home Exhibition Archive Forum Jobs MyNDT Network 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 s