SS Pipe Supplier in Qatar - Leading Stainless Steel Piping Stockist & Distributor
Qatar Piping is Qatar's premier stainless steel (SS) pipe supplier and stockist, serving the nation's oil & gas, petrochemical, seawater desalination, district cooling, food processing, and EPC construction sectors. Operating extensive inventory yards in Doha Industrial Area, we maintain comprehensive ready stock of seamless (SMLS) and welded (ERW / EFW) stainless steel pipes manufactured in strict accordance with ASTM A312, ASTM A358, and ASTM A790. Every single pipe is 100% heat-traceable and delivered with EN 10204 Type 3.1 Mill Test Certificates, third-party lab verification, and rapid same-day mobilization across Doha, Ras Laffan, Mesaieed, and Lusail.
Engineering Specifications & Capabilities
| Size Range | NPS 1/2" to 36" (DN15 to DN900) in ready stock, up to 60" upon mill indent |
|---|---|
| Schedules | Schedule 5S, 10S, 40S, STD, 80S, XS, 160S, and XXS matching ASME B36.19M & B36.10M |
| Grades | ASTM A312 / A358 TP304, TP304L, TP316, TP316L, TP321, TP347, 904L (UNS N08904), Duplex 2205 (UNS S31803 / S32205), Super Duplex 2507 (UNS S32750) |
| Lengths | Single Random (5-7m), Double Random (10-12m), Custom Precision Cut-to-Length |
| Certification | Original EN 10204 Type 3.1 MTC from QatarEnergy / Ashghal approved international mills |
Key Specifications & Types Available
Seamless Stainless Steel Pipes
High-pressure seamless SS pipes (ASTM A312 TP304L / TP316L) without longitudinal seams for critical process and offshore applications in Qatar.
View Seamless Stainless Steel Pipes Specifications →Welded & ERW Stainless Steel Pipes
High-frequency ERW and automated plasma-welded stainless steel pipes for water treatment, utility lines, and architectural projects.
View Welded & ERW Stainless Steel Pipes Specifications →SS 316 / 316L Stainless Steel Pipes
Molybdenum-bearing SS 316L piping offering maximum pitting resistance against seawater and chloride-rich Qatar soil conditions.
View SS 316 / 316L Stainless Steel Pipes Specifications →Duplex & Super Duplex SS Pipes
Austenitic-ferritic Duplex 2205 and Super Duplex 2507 pipes offering high yield strength (>= 450 MPa) and PREN >= 42 for SWRO desalination.
View Duplex & Super Duplex SS Pipes Specifications →Governing Standards
- ASTM A312 (Seamless & Welded Austenitic Stainless Steel Pipes)
- ASTM A358 (Electric-Fusion-Welded Austenitic Chromium-Nickel Pipe)
- ASTM A790 (Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe)
- ASME B36.19M (Stainless Steel Pipe Dimensions)
- EN 10204 Type 3.1 & 3.2 Inspection Documents
QA & Verification Testing
Hydrostatic mill test, eddy current testing, ultrasonic flaw detection, 100% PMI verification via Niton XRF, intergranular corrosion test per ASTM A262 Practice E, and Charpy impact tests.
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