Industrial Piping Fabrication in Qatar
Qatar Piping provides high-precision workshop and field piping fabrication services across Qatar. Operating from specialized fabrication facilities, our engineering team converts 2D isometric drawings into fully verified, dimensionally accurate pipe spools. We fabricate carbon steel, austenitic stainless steel, duplex, and alloy systems under ASME B31.3 and ASME Section IX requirements.
Technical Applications
- Modular pipe rack spools for industrial plant expansions
- Pump station suction and discharge manifold headers
- Heat exchanger and pressure vessel connection spools
- Skid-mounted process unit piping networks
- Utility station steam, compressed air, and nitrogen drops
- Heavy-wall high-pressure gas injection spools
Applicable Materials
- ASTM A106 Gr. B / A53 Gr. B Carbon Steel
- ASTM A333 Gr. 6 Low Temperature Carbon Steel
- ASTM A312 TP304/304L & TP316/316L Stainless Steel
- UNS S31803 / S32205 Duplex Stainless Steel
- ASTM A335 P11 / P22 Chrome-Moly Alloys
Governing Standards
- ASME B31.3 (Process Piping)
- ASME B31.1 (Power Piping)
- ASME Section IX (Welding Qualifications)
- PFI Standard ES-3 (Fabricating Tolerances)
- AWS D1.1 / ASME Sec VIII Div 1
Execution Methodology
Isometric drawing review, spool breakdown, weld mapping, and bill of materials generation.
Automated cold band sawing and plasma/beveling preparation adhering to ASME B16.25.
Fit-up in dedicated heavy-duty jigs with internal purge monitoring for stainless and duplex alloys.
WPS/PQR-controlled welding utilizing GTAW (root/hot pass) and SMAW / FCAW / GMAW (fill/cap).
Non-Destructive Testing (NDT) including RT/UT/PT/MT executed per specification criteria.
Hydrostatic testing in certified test bays, chemical cleaning/passivation, blast cleaning, and painting.
Quality Control & Traceability
Weld traceability logs, WPS compliance verification, calibrated oxygen analyzers for backing gas purge (< 50 ppm O2 for stainless/duplex), dimensional tolerance control per PFI ES-3 (+/- 3mm).
Inspection & Testing Regimes
Radiographic Testing (RT), Ultrasonic Testing (UT), Liquid Penetrant (PT), Magnetic Particle (MT), Hydrostatic pressure testing, and flange face surface finish roughness testing.
Industries Served
Key Qatar Execution Locations
Frequently Asked Questions
We adhere strictly to PFI Standard ES-3 (Fabricating Tolerances) and project-specific piping specifications, ensuring center-to-face dimensions within +/- 3mm and flange face rotation within +/- 0.5 degrees.
We operate segregated fabrication bays for stainless steel and duplex alloys, equipped with stainless steel handling rollers, non-ferrous clamping tools, and dedicated clean grinding discs.
Related Piping Services & Technical Resources
Request Quotation for Piping Fabrication
Submit your piping schedule, isometric drawings, or material take-offs. Our technical engineering team evaluates specifications to deliver accurate pricing and execution schedules.