Liquid Penetrant Testing in Railways: Complete Guide
Liquid penetrant testing for US rail and weld work: where PT beats MT, ASTM E165 and ASME V Article 6, Types and Methods, dwell times and a fillet weld example.
Author
EMA Industries Technical Team
271 articlesPage 1 of 28
Ultrasonic Bolt Testing: Flaw Detection, Preload and Standards
Ultrasonic bolt testing finds cracks in bolts and anchor rods from the bolt end and measures preload by time of flight under ASTM E1685. Methods and limits.
Angle Beam Testing in UT: Refraction Angles & Applications
Angle beam testing in UT: choosing 45°, 60° or 70° by thickness and bevel, skip distance worked examples, scan patterns, IIW checks, DAC, D1.1, ASME and rail.
Porosity in Welding: Ways to Prevent & Detect It
Porosity in welding is trapped gas. Learn its causes and prevention, AWS D1.1, ASME and API 1104 limits, and why RT usually beats UT for rounded pores.
Weld Defect Types: Identification & UT Detection Methods
Weld defect types split into planar and volumetric flaws, and that split picks the NDT method. Causes, UT probe angles, code limits and rail weld rules.
Continuous vs Stop-and-Verify Rail Testing: Which Is Right?
Discover Continuous vs Stop-and-Verify Rail Testing methods, FRA compliance rules, and track capacity benefits. Compare options and book a rail safety review today!
Heavy Haul Rail Inspection: UT for High-Tonnage Track
Master heavy haul rail inspection with advanced ultrasonic testing techniques, detecting high-tonnage rail defects and ensuring track safety.
Bridge Approach Rail Inspection: Why UT Is Critical?
Bridge Approach Rail Inspection helps detect hidden rail defects with ultrasonic testing. Learn why it matters for safety. Read more today!
Tunnel Rail Inspection: Ultrasonic Testing in Confined Spaces
Explore more about Tunnel Rail Inspection, ultrasonic testing, tunnel hazards and safer rail maintenance. Learn practical inspection steps for teams today.
Grade Crossing Rail Inspection: UT Challenges Explained
Grade Crossing Rail Inspection explains UT limits at road crossings, including hidden corrosion, restricted access and methods that support safer rail maintenance.