Learn NDT

Step-by-step UT flaw detector calibration per ASME V Article 4 and ASTM E317. Velocity, zero, gain, DAC, and TCG with concrete settings.

Identify porosity, slag, lack of fusion, cracks, undercut, and incomplete penetration on radiographs. Density windows, IQI verification, and acceptance per ASME and API.

Couplant selection by temperature, surface roughness, orientation, and material. Glycerin vs propylene-glycol gel vs water vs grease per ASTM E1316.

Step-by-step DAC curve construction on side-drilled holes in a basic calibration block. Primary reference, scanning sensitivity, and 50%/20% reference lines.

Step-by-step MT yoke procedure: lift test, AC vs DC, wet vs dry, particle application, indication evaluation per ASTM E709 and ASME V Article 7.

Liquid penetrant inspection development step: dwell times, developer types, indication evaluation, and acceptance per ASTM E165 and ASME V Article 6.

Step-by-step Ir-192 industrial radiography source changeout procedure: shipping cask handling, transfer, wipe test, leak test, and survey requirements per 10 CFR 34.

Step-by-step UT thickness survey on process piping: TML selection, dual-element probe setup, data recording, corrosion rate calculation, and remaining life per API 570.

Build a code-compliant PAUT scan plan: weld geometry import, focal law generation, beam coverage validation, and sensitivity calibration in ESBeamTool or OmniScan.

Step-by-step guide to authoring a code-compliant NDT procedure to ASME V. Required elements, demonstration requirements, Level III sign-off, and audit checklist.

What NDT inspection costs in 2026 — US hourly rates and day rates by method (UT, PAUT, RT, MT, PT, ET, VT), how region, certification level, and shift change the price, and how to budget a job.

What NDT inspectors and technicians earn in 2026 — US salary ranges by certification level (I/II/III), method (UT, PAUT, RT, CWI), and industry, plus how to increase your pay.