Quality
Nothing ships without proof.
Each joint is traceable to its coil, heat number, welder and inspection record — and leaves the yard with a full dossier.
Quality
Nothing ships without proof.
NPC has supplied a large number of projects in Saudi Arabia and the wider Middle East since 1980 — and every one of them was backed by a full inspection dossier.
Quality systems
Documented procedures aligned with API and ISO requirements across every process.
Traceability
Each joint is traceable to its coil, heat number, welder and inspection record.
Inspection
Ultrasonic, radiographic and hydrostatic testing before any pipe leaves the yard.
Approvals
Approved supplier to national oil, gas and water operators across the region.
Inspection
Testing programme
| Test | Method / standard | Scope | Stage |
|---|---|---|---|
| Ultrasonic testing | API 5L Annex E | Weld seam & pipe body | In-line & offline |
| Radiographic testing | ASTM E94 | Weld ends & repairs | Post-weld |
| Hydrostatic test | API 5L §10 | Every joint | Final |
| Tensile & impact | ASTM A370 | Per heat / lot | Laboratory |
| Chemical analysis | Spectrometry | Per heat | Laboratory |
| Dimensional check | API 5L tolerances | Every joint | Final |
Approvals
Certifications
| Certification | Scope | Status |
|---|---|---|
| API 5L | Line pipe manufacture (monogram) | Maintained |
| API Q1 | Quality management for the petroleum industry | Maintained |
| ISO 9001 | Quality management systems | Maintained |
| ISO 14001 | Environmental management | Maintained |
| ISO 45001 | Occupational health & safety | Maintained |
Contact
Tell us about your pipeline.
Send us your specification — diameter, wall thickness, grade, coating and tonnage — and our team will come back with availability and lead times.
Plant & head office
Dhahran, Eastern Province, Saudi Arabia
Telephone
+966 13 857 0000
Email
info@npc.com.sa
