NDT News
126 technical articles and industry updates
Method guides, certification routes, salary surveys, codes and standards explained, and news from the inspection industry.
961 discussions · 392 answers
Latest forum discussions
Quality ControlWhat Do You Usually Do When Parts Don't Pass Quality Control?Thomas Johnson · 0 replies · 4 days agoFrom time to time, we come across parts during manufacturing that don't quite meet the required…Read discussion
Chemical SectorSeeking Advice on Cooling Water Treatment ProgramsHooChemtec · 1 reply · 5 days agoHi everyone, I'm looking for practical advice on industrial cooling water treatment. We run an open…Read discussion
Automated Pipeline InspectionAutomated UT inspection of steel mill work rolls :jaden · 2 replies · 5 days agoWe currently use eddy current flaw detection techniques in our roll grinding shop. I am interested in…Read discussion
Codes and StandardsWPS T joint CJP according AWS D1.1rafa · 1 reply · 5 days agoHi,I have question regarding the WPS document. I have T joint which consists of 16 mm main chord with 60 mm…Read discussion
NDTIs there ever a completely perfect metal production without flaws?Ekemini Edet · 1 reply · 9 days agoIs there ever a completely perfect metal production without flaws?Read discussion
Phased ArrayInquiring about colorationMohamed Allam · 0 replies · 14 days agoSubject: Technical Support Request – PAUT and TOFD Calibration, Group Configuration, and Scan Plan for ADNOC…Read discussion
193 calculations with worked examples
NDT calculators
FreeUTNear field length, circular probeNear-field (Fresnel zone) length N = D²f/4c for a circular single-crystal probe, with the wavelength it…Open calculator- FreeUTAngle beam sound path, surface distance and depthSolves the first-leg angle-beam triangle — sound path, surface distance and depth — from any one of the…Open calculator
- FreeTOFDToFD depth from time of flightConverts a measured ToFD arrival time into the depth of the diffracting tip below the scanning surface.Open calculator
- FreePAUTMaximum PAUT scan speedHighest encoded scan speed that still records every acquisition point, from the frame rate and the scan…Open calculator
- FreeRTSource decayCalculates the present activity of a gamma radiography source from its assay activity and the elapsed…Open calculator
- FreeMTCoil shot current, low fill factorAmpere-turns and coil current for longitudinal magnetisation in a low fill factor coil - part against…Open calculator