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Brazil---AimeeIn the latest vendor rating, TOBO won the excellent rating, it is good, will continue to cooperate. -
Thailand ---Dave MulroyASTM A213 T9 Alloy steel pipe ,Stable quality , good price, excellent serive, TOBO GROUP is our trustworthy partner . -
USA ---AlfaroASTM A182 F55 Super Duplex Flange ,Good quality , we like that ! And delivery time in time also ,very professional.
API 5L Grade B Carbon Steel Seamless Line Pipe 6m-12m Length for Oil Gas Pipeline Transmission
| Place of Origin | Zhejiang, China |
|---|---|
| Brand Name | WNRLN |
| Certification | ISO 9001:2015, API 5L, CE |
| Model Number | CS-API5L-B-SMLS |
| Minimum Order Quantity | 1 Ton |
| Price | USD 850-1,500 / Ton |
| Packaging Details | End caps with plastic protection, bundled with steel straps, export-grade seaworthy wooden case |
| Delivery Time | 7-15 working days for stock, 20-30 days for production |
| Payment Terms | T/T, L/C, Western Union |
| Supply Ability | 2,000 Tons per Month |
| Material | Carbon Steel API 5L Grade B (PSL1/PSL2) | Standard | API 5L 46th Edition, ASTM A106, ASTM A53 |
|---|---|---|---|
| Outer Diameter | 21.3mm - 610mm (1/2 Inch - 24 Inch) | Wall Thickness | SCH 10, 20, 40, 80, 160, STD, XS, XXS |
| Length | 6m, 12m Fixed Length Or Random Length | Surface Finish | Black Varnished, 3LPE Coated, FBE Coated, Galvanized |
| End Type | Plain End, Beveled End, Threaded End | Application | Oil & Gas Transmission, Structural, Piling |
| Highlight | API 5L Grade B Pipe,Carbon Steel Seamless Line Pipe,Oil Gas Pipeline Transmission Tube |
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API 5L Grade B Carbon Steel Seamless Line Pipe
Our API 5L Grade B carbon steel seamless line pipes are manufactured in strict accordance with API 5L 46th Edition specifications, available in both PSL1 and PSL2 levels. These pipes deliver exceptional performance for long-distance oil and gas pipeline transmission with proven reliability in demanding field conditions.
Key Features
- ✓API 5L Certified: Full compliance with API 5L PSL1 and PSL2 requirements, with traceable Material Test Reports (MTRs) per EN 10204 3.1.
- ✓Excellent Weldability: Low carbon equivalent (CE) values ensure superior field weldability with standard E6010 and E7018 electrodes.
- ✓High Pressure Rating: Designed to withstand operating pressures up to 2,500 psi with appropriate wall thickness selection per ASME B31.4 and B31.8 codes.
- ✓Comprehensive Testing: 100% hydrostatic test, tensile test, flattening test, and Charpy V-notch impact test performed on each heat.
Mechanical Properties
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|---|
| API 5L B | 245-450 | 415-655 | 23 min |
| API 5L X42 | 290-495 | 415-655 | 23 min |
| API 5L X52 | 360-530 | 460-760 | 21 min |
Surface Coating Options
Quality Assurance & Certifications
All API 5L pipes are supplied with complete Mill Test Certificates (EN 10204 3.1) and undergo rigorous NDT inspection including ultrasonic testing. Our manufacturing facility is API Monogram licensed and ISO 9001:2015 certified. We maintain full traceability from raw material heat number to final product dispatch.

