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TIN MINH

QA/QC and Welding Inspection — Ensuring Industrial Quality Standards

Tin Minh's QA/QC team holds AWS CWI and CSWIP 3.1 certifications, providing professional welding inspection and quality control for fabrication and construction projects.

Published:Feb 21, 2026
Tin Minh Team
QA/QC and Welding Inspection — Ensuring Industrial Quality Standards

Quality Cannot Be Inspected In — It Must Be Built In

Effective QA/QC is not just about final inspection. It starts with material verification, continues through fabrication and welding, and concludes with documented acceptance testing.

Our QA/QC Capabilities

Certified Personnel

  • AWS CWI (Certified Welding Inspector) — Visual and procedural welding inspection
  • CSWIP 3.1 — Welding quality inspection per European standards
  • ASNT Level II — NDT technicians for RT, UT, MT, PT methods

Inspection Stages

Material Receiving

  • Mill certificate verification
  • Dimensional and visual checks
  • Material traceability confirmation

In-Process Inspection

  • Fit-up checks before welding
  • WPS compliance monitoring
  • Dimensional verification against drawings
  • Inter-pass temperature monitoring where required

Final Inspection

  • Complete visual and dimensional inspection
  • NDT as per project specifications
  • Hydrostatic or pneumatic testing for pressure components
  • Documentation package compilation

Documentation Standards

We prepare complete quality packages including:

  • Inspection and Test Plans (ITP)
  • Welding maps and WPS/PQR records
  • NDT reports with acceptance criteria
  • Material traceability records
  • Non-conformance reports when applicable
  • Final acceptance certificates

Standards We Work To

  • ISO 9001:2015
  • AWS D1.1 / D1.6
  • ASME Section IX
  • ASNT SNT-TC-1A
  • EN ISO 5817 (Weld quality levels)

Discuss QA/QC requirements for your project: [email protected]