Rail Ultrasonic Testing Technology: What Changed Since 2014
What changed in US rail ultrasonic testing technology since 2014: the 213.237 rewrite, 213.240 continuous testing, data review, trials and 2026 FRA rules.
Insights
Blog
271 articlesPage 6 of 28
Phased Array Ultrasonic Testing Equipment: What to Specify
Phased array ultrasonic testing equipment to specify: channels, focal laws, probe pitch and near field, wedges, encoders, ACG/TCG and the PAUT code annexes.
FRA Defect Codes Explained: Rail Defect Classification (49 CFR 213.113)
FRA defect codes explained: the 16 rail defects in 49 CFR 213.113, remedial actions by percent of head area, the 4-hour rule and FRA's real T2xx cause codes.
Liquid Penetrant Testing in Railways: Complete Guide
Learn how liquid penetrant testing improves railway safety by detecting surface defects in critical components, supporting maintenance and compliance.
AWS D1.1 Acceptance Criteria: Weld Inspection Methods and UT Requirements
AWS D1.1 acceptance criteria explained: Table 8.1 visual limits for static vs cyclic welds, the UT rating d = a − b − c, Classes A–D, and who decides on UT.
Rail Inspection RFP by Track Class: How FRA Classes Set the Scope
A rail inspection RFP by track class: 213.237 test intervals, 213.233 visual frequency, excepted track, 213.113 actions and a mixed Class 2/3/4 example.
ASME Weld Ultrasonic Inspection: Testing for Pressure Vessels and Piping
ASME weld ultrasonic inspection explained: Section V Article 4 methods, DAC calibration, Appendix 12 and B31.3 344.6.2 limits, and a worked 1 in. weld example.
Hi-Rail Truck vs Inspection Cart vs Walking: Choosing a Rail Flaw Testing Method
Hi-rail truck vs inspection cart vs hand testing and test cars: real rail flaw test speeds, turnouts, Part 214 access, cost drivers and a worked method mix.
In-House vs Outsourced Rail Inspection: Which Approach Is Right?
In-House vs Outsourced Rail Inspection explained with key differences, benefits, costs, and expert insights to help rail operators choose wisely.
Digital vs Analog Flaw Detectors: Qualifying a Digital Replacement for Rail
Digital vs analog flaw detector choice is settled. How to qualify a new rail UT detector: ASTM E317 checks, reference-rail calibration, 213.238 and 213.241.