Material Traceability, PMI and NDT in Chennai
Every Nobel Weld order ships with a documented quality record: material traceability from the heat number on the mill certificate, PMI, NDT and inspection reports, and a final data book.
Codes, procedures and tests are agreed in a quality assurance plan before work starts, and release can be by your nominated inspection agency.

Inspection and testing
- Positive material identification (PMI)
- Dye penetrant testing (DPT)
- Radiography (RT) and ultrasonic testing (UT)
- Hydrostatic and pneumatic testing
- Dimensional and visual inspection
Documentation package
- Quality assurance plan (QAP) / inspection and test plan (ITP)
- EN 10204 3.1 mill certificates
- WPS, PQR and WPQ records
- NDT and pressure-test reports
- Final data book with traceability
Codes and standards
| Code or standard | Scope |
|---|---|
| ASME Sec VIII Div 1 | Pressure parts |
| ASME Sec IX | Welding qualification |
| ASME Sec II | Materials |
| ASME B31.3 | Process piping |
| ASME B16.5 / B16.9 | Flanges and fittings |
| ASTM B265 / B348 / B337 | Titanium |
| ASTM B127 / B443 / B575 | Nickel alloys |
| ISO 9001:2015 | Implementation in progress |
Material traceability, PMI and NDT for reactive metals
Titanium and zirconium welds are accepted by colour as well as by NDT. Silver and light straw show the weld was fully shielded; darker colours show oxygen pick-up. We record the weld colour with the other inspection results.
Silver
Accept
Light straw
Accept
Dark straw
Per specification
Bronze
Reject
Violet
Reject
Blue
Reject
Grey or white
Reject
Need a QAP or sample data book?
Send your specification and we will share the inspection and test plan we propose for your order.