📡 Service · Proof Load Testing & NDT
Ultrasonic Testing (UT) & Thickness Gauging in Saudi Arabia
Ultrasonic testing sends high-frequency sound into steel and reads the echoes to locate internal flaws and measure remaining thickness. EES uses it for weld UT, plate and forging checks and thickness gauging on structures, tanks, pipework and lifting equipment, where surface methods cannot see the problem.
Scope of Work
- ✓Weld ultrasonic testing with angle-beam probes on butt and T-joints of structures, vessels and pipework, to the technique and testing level in your procedure
- ✓Straight-beam checks of plate and forgings for laminations and internal flaws, including plate behind lifting lugs and pad-eyes
- ✓Ultrasonic thickness gauging and corrosion mapping on tanks, vessels, pipework and structural members, compared with the minimum required thickness
- ✓Checks on pins, shafts and forged parts where an internal flaw or the depth of a crack is in question
- ✓Calibration on reference blocks, distance-amplitude or time-corrected gain set-up, and re-checks during and at the end of the job
- ✓Surface preparation and couplant selection suited to hot, dusty or coated surfaces, with probe and surface-temperature limits observed
- ✓Sizing and recording of indications (position, depth, length, amplitude) and comparison with the specified acceptance criteria
Standards
- ✓ISO 17640 (ultrasonic testing of welded joints)
- ✓ASME BPVC Section V (ultrasonic examination) and ASTM E797 (manual pulse-echo thickness measurement)
- ✓ISO 9712 and ASNT SNT-TC-1A (NDT personnel qualification schemes)
- ✓Client UT procedure and acceptance criteria
You Receive
- ✓UT report stating equipment, probes, calibration blocks, technique and scan coverage
- ✓Thickness readings table with a location map or grid
- ✓Flaw record with position, depth, length and amplitude, and accept or reject result
- ✓Instrument calibration and reference-block records
Ultrasonic Testing (UT) & Thickness Gauging by City
Mobilised to your site anywhere in the Kingdom.
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FAQs
What is the difference between UT thickness testing and UT flaw detection?＋
Thickness gauging measures how much metal remains, to find corrosion or wear against a minimum required thickness. Flaw detection looks for discontinuities inside the material or weld, such as lack of fusion, slag or laminations, and needs a calibrated set-up and a written technique.
Can UT find weld defects that MPI or dye penetrant would miss?＋
Yes, for internal flaws that do not reach the surface, which MPI and penetrant cannot see. For fine surface-breaking cracks the surface methods are often more sensitive, so the choice depends on the defect you need to find and your procedure.
Do you offer ultrasonic thickness testing in Dammam and at industrial sites?＋
Yes. We are based in Dammam and mobilise to Jubail and other hubs for thickness surveys on tanks, vessels, pipework and structures. We need the reading locations marked or a drawing, and access cleared of insulation or heavy scale where the procedure requires it.
Can UT be used instead of radiography on welds?＋
Some codes and clients accept UT in place of radiography for certain joints and thicknesses, and others do not, so the governing code and your specification decide. We carry out UT to the procedure and acceptance criteria you specify and do not change a specified method on our own.