Industrial Pipes Supply & Stock in Qatar
Qatar Piping maintains an extensive supply inventory of carbon steel, stainless steel, alloy steel, duplex, and line pipes for Qatar’s industrial, oil & gas, district cooling, and municipal infrastructure projects. All pipes are sourced exclusively from AML-approved international mills with complete heat number traceability and EN 10204 Type 3.1 certification.
Engineering Specifications & Capabilities
| Size Range | NPS 1/2" to 60" (DN15 to DN1500) |
|---|---|
| Schedules | Sch 10, 20, 30, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS |
| Manufacturing | Seamless (SMLS), High-Frequency ERW, Submerged Arc Welded (LSAW / DSAW), Spiral Welded (SSAW) |
| Lengths | Single Random Length (SRL 5-7m), Double Random Length (DRL 11-13m), Custom Cut-to-Length |
Key Specifications & Types Available
Carbon Steel Pipes
ASTM A106 Gr. B seamless, ASTM A53 Gr. B, API 5L line pipe for process, steam, and chilled water.
View Carbon Steel Pipes Specifications →Stainless Steel Pipes
ASTM A312 TP304/304L, TP316/316L, TP321 seamless and welded pipes for corrosive environments.
View Stainless Steel Pipes Specifications →Alloy Steel Pipes
ASTM A335 Chrome-Moly P11, P22, P91 for high-temperature and high-pressure steam power piping.
View Alloy Steel Pipes Specifications →Duplex 2205 Pipes
ASTM A790 UNS S31803 / S32205 for high chloride marine, SWRO desalination, and chemical service.
View Duplex 2205 Pipes Specifications →Super Duplex 2507 Pipes
ASTM A790 UNS S32750 with PREN >= 42 for severe offshore and acidic chloride environments.
View Super Duplex 2507 Pipes Specifications →Galvanized Steel Pipes
Hot-dip galvanized pipes to ASTM A53 / BS EN 10255 for fire protection and utility service.
View Galvanized Steel Pipes Specifications →API 5L Line Pipe
API 5L Gr. B through X70 (PSL1 and PSL2) for onshore and offshore hydrocarbon transportation.
View API 5L Line Pipe Specifications →Seamless Pipes
High-pressure seamless pipes without longitudinal weld seams, offering uniform hoop strength.
View Seamless Pipes Specifications →ERW Pipes
Electric Resistance Welded pipes for district cooling, low-pressure gas, and water distribution.
View ERW Pipes Specifications →LSAW Pipes
Longitudinal Submerged Arc Welded large-diameter pipes (NPS 16" to 60") for heavy transmission.
View LSAW Pipes Specifications →Governing Standards
- ASME B36.10M (Welded & Seamless Wrought Steel Pipe)
- ASME B36.19M (Stainless Steel Pipe)
- API 5L
- ASTM A106, A53, A312, A333, A790
QA & Verification Testing
Hydrostatic testing at mill, ultrasonic flaw detection, Eddy current test, Positive Material Identification (PMI), Charpy impact test where required.
Related Services & Technical Articles
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