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NDT, WELDING & COATING INSPECTION

Certified welding surveillance, non-destructive testing verification, and protective coating inspection — executed strictly within verified qualifications.

  • Welding
  • UT/RT/MT/PT
  • Coating
  • Per Verified Scope
QTEK NDT inspector performing ultrasonic inspection on weld
Independent · Field-Proven
Overview

Weld integrity and corrosion protection determine the service life of critical industrial assets. QTEK provides qualified welding, NDT, and coating inspectors to oversee fabrication before, during, and after welding — ensuring full compliance with approved procedures and international acceptance criteria. All assignments are performed strictly per verified QTEK and inspector qualifications, with zero assumptions.

Key Inspection Activities

What QTEK verifies on every assignment

  1. 01Pre-Welding: Review of WPS, PQR/WPQR, welder qualification certificates, weld maps, and consumable storage / baking controls
  2. 02During Welding: Fit-up, bevel geometry, root gap, preheat temperature, interpass temperature, shielding gas, and heat input monitoring
  3. 03Post-Welding & PWHT: Visual weld inspection, Post-Weld Heat Treatment (PWHT) chart review, hardness testing, and ferrite measurement
  4. 04NDT Witnessing & Review: On-site witnessing of Non-Destructive Testing and independent review of RT films and NDT reports
  5. 05Coating & Painting Inspection: Blast profile (roughness/cleanliness), ambient conditions (dew point/humidity), WFT/DFT, adhesion pull-off, and holiday/pinhole detection
Methods & Qualifications Covered

NDT & WELDING scope & coverage

NDT Methods

VT, UT / PAUT, RT / RTFI, MT, PT, Eddy Current (ET), Hardness & PMI.

Inspector Certifications

CSWIP 3.1/3.2, AWS CWI, ISO 9712 / ASNT Level II & III, BGAS-CSWIP / AMPP (NACE) Coating Inspectors.

Applicable Codes & Standards

ASME Sec V & IX · AWS D1.1 · ISO 17637 / 9712 · EN ISO 15614 · API 1104 · ISO 8501 / ISO 12944 · NACE SP0188

Ready to start?

Tell us the scope — PO, ITP, location and date. We assign the right inspector and confirm.

QTEK — Independent Inspection & Quality Services · Dubai, UAE — Global Coverage