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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
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]
