Contact Us for more size information
API 5L X52/X60/X65/X70/X80 Smls PipeLine Seamless Steel Tubes
| Parameter | API 5L Steel Pipe Details |
| Grades | API 5L Grade B, X42, X52, X56, X60, X65, X70, X80 |
| Specification Level | PSL 1 / PSL 2 |
| Outer Diameter (OD) | Standard: 1/2" – 24"; Custom up to 40" |
| Wall Thickness | SCH 10, 20, 40, STD, 80, XS, 160 |
| Manufacturing Process | Seamless, ERW, LSAW, DSAW, SSAW, HSAW |
| Tube End Type | Beveled End / Plain End |
| Standard Length | SRL / DRL; 20 FT (6m) / 40 FT (12m); Custom lengths available |
| Protection Cap | Plastic or Iron |
| Surface Coating | Natural, Varnished, Black Painting, FBE, 3PE/3LPE, 3PP, CWC, CRA Clad/Lined |
API 5L Grade B Steel Pipe Size Chart
| Outside Diameter (OD) | Wall Thickness (WT) | Nominal Pipe Size (NPS) | Length | Steel Grade Available | Type |
| 21.3 mm (0.84 in) | 2.77 – 3.73 mm | ½″ | 5.8 m / 6 m / 12 m | Grade B – X56 | Seamless / ERW |
| 33.4 mm (1.315 in) | 2.77 – 4.55 mm | 1″ | 5.8 m / 6 m / 12 m | Grade B – X56 | Seamless / ERW |
| 60.3 mm (2.375 in) | 3.91 – 7.11 mm | 2″ | 5.8 m / 6 m / 12 m | Grade B – X60 | Seamless / ERW |
| 88.9 mm (3.5 in) | 4.78 – 9.27 mm | 3″ | 5.8 m / 6 m / 12 m | Grade B – X60 | Seamless / ERW |
| 114.3 mm (4.5 in) | 5.21 – 11.13 mm | 4″ | 6 m / 12 m / 18 m | Grade B – X65 | Seamless / ERW / SAW |
| 168.3 mm (6.625 in) | 5.56 – 14.27 mm | 6″ | 6 m / 12 m / 18 m | Grade B – X70 | Seamless / ERW / SAW |
| 219.1 mm (8.625 in) | 6.35 – 15.09 mm | 8″ | 6 m / 12 m / 18 m | X42 – X70 | ERW / SAW |
| 273.1 mm (10.75 in) | 6.35 – 19.05 mm | 10″ | 6 m / 12 m / 18 m | X42 – X70 | SAW |
| 323.9 mm (12.75 in) | 6.35 – 19.05 mm | 12″ | 6 m / 12 m / 18 m | X52 – X80 | SAW |
| 406.4 mm (16 in) | 7.92 – 22.23 mm | 16″ | 6 m / 12 m / 18 m | X56 – X80 | SAW |
| 508.0 mm (20 in) | 7.92 – 25.4 mm | 20″ | 6 m / 12 m / 18 m | X60 – X80 | SAW |
| 610.0 mm (24 in) | 9.53 – 25.4 mm | 24″ | 6 m / 12 m / 18 m | X60 – X80 | SAW |
Click the Button on The Right
PSL 1 (Product Specification Level 1) : For pipelines manufactured with a basic standard quality level.
PSL 2 (Product Specification Level 2) : More stringent specification with higher mechanical properties, more tightly controlled chemistry and NDT.
| Item | PSL1 | PSL2 | Key Notes |
| Chemical Composition Control | Standard limits for C, Mn, P, S | Stricter impurity limits (lower P/S); controlled microalloy additions | PSL2 is optimized for low-temperature and corrosive service environments |
| Yield Strength (MPa) | Aligned to grade-specific requirements | Consistent with PSL1; marginally elevated for select high-grade steels | Core mechanical performance remains comparable across both levels |
| Tensile Strength (MPa) | Aligned to grade-specific requirements | Identical to PSL1 | No performance difference in tensile properties |
| Elongation (%) | Aligned to grade-specific requirements | Identical to PSL1 | Ductility requirements match perfectly |
| Low-Temperature Impact (Charpy V-Notch) | Optional (per application needs) | Mandatory; tested at -20°C / -50°C (standard) | Enhances low-temperature toughness for critical, cold-climate applications |
| Weldability | Meets industry standard weldability | Stricter controls; mandatory weld performance testing | Ensures superior weld integrity for high-stress pipeline operations |
| Dimensional Tolerance | Standard dimensional tolerances | Tighter dimensional tolerances | Delivers precise fit for high-precision pipeline installations |
| Defect Control / NDT | Standard inspection; UT/RT (optional) | Mandatory UT/RT/MPI testing | Guarantees enhanced pipeline safety and long-term reliability |
| Application Environment | General-purpose pipeline transportation | High-pressure, low-temperature, and corrosive service pipelines | Preferred for high-safety, critical infrastructure projects |
| Cost | More cost-effective | Marginally higher | Reflects stricter manufacturing and quality inspection requirements |
| API 5L Steel Tube Grade | Key Mechanical Properties (Yield Strength) | Regional Applications |
| API 5L Grade B Steel Pipe | ≥245 MPa | Low-pressure North American natural gas pipelines; Small oilfield gathering lines located in Central America |
| API 5L X42/X46 Steel Pipe | >290/317 MPa | U. S. Midwestern agricultural irrigation pipelines; South American energy distribution grids in urban areas |
| API 5L X52 Steel Pipe (Main) | >359 MPa | Texas shale oil pipelines; Brazilian onshore oil & gas gathering lines; Panama trans-boundary natural gas lines |
| API 5L X60/X65 Steel Pipe | >414/448 MPa | Canadian oil sands production pipelines; Gulf of Mexico intermediate- and high-pressure lines |
| API 5L X70/X80 Steel Pipe | >483/552 MPa | U.S.long-haul crude oil pipelines; Brazilian deep water oil & gas platform pipelines |
Raw Material Inspection – Choose and inspect the good quality steel billets or coils.
Forming – Roll or pierce into pipe form (Seamless / ERW / SAW).
Welding –In-pipe joints are made by electric resistance welding or submerged arc welding.
Heat Treatment – Enhance strength and toughness by precise heating.
Sizing & Straightening – Modify the diameter of the tube and confirm the size is correct.
Non-Destructive Testing (NDT) – Inspect for inward and surface flaws.
Hydrostatic Test – Test each pipe for strength and leaks.
Surface Coating – Apply corrosion protection layer (black varnish, FBE, 3LPE, etc.).
Marking & Inspection – Mark the specifications and do the final quality inspections.
Packaging & Delivery – Pack, stack, and deliver with Mill Test Certificates.
Spanish-speaking Local Service Office: Our local subsidiary provides Spanish-speaking services, offering an excellent experience and ensuring the best possible import process.
Reliable Inventory: We maintain sufficient stock to promptly fulfill your order needs.
Safe Packaging: Pipes are tightly wrapped and sealed with multiple layers of bubble wrap to prevent deformation and damage during transportation, ensuring safety.
Fast and Efficient Delivery: International delivery to meet your project delivery requirements.
Packaging Guarantee
Our API 5L steel pipes are palletized (wooden pallets fumigated with IPPC which is the standard for Central America and meets all the phytosanitary requirements for export), then wrapped in six layers of plastic. Your pipe is individually packaged with three layers of waterproof membranes which due to the high humidity in the tropical rain forest are designed in such a way that moisture cannot get in. A high-strength plastic protective flag and plug are installed on the two ends of the pipe to prevent dust, impurities and foreign matter entering on transportation and storage in site, so as to keep the product clean and intact. Each pipe section weighs 2-3 tons, an ideal size and weight for the small cranes typically found on Central American job sites, this enables safer handling and more efficient construction.
Tailored Specifications
Customized Length Solutions
Standard ISO Dimension: Our standard length is 12 meters, based on optimization for containerized shipping and international logistics that meets the requirement for cost-effective and efficient global transport.
Specialized Options for Short Length: We carry 8’ and 10’ short-length pipes designed specifically for tropical applications in Guatemala and Honduras–perfect for use in places where overland transportation is scarce.
Flexible Adaptation: We offer full customizability to meet your logistical demands and construction needs, so they are in perfect harmony, ensuring your project runs seamlessly.
One-Stop Document Service
Central America-Focused Compliance Support
We offer complimentary complete set of export and material certification documents as follows, to help you achieve smooth custom clearance and timely project execution for your Central American customers.
Certificate of Origin (Form B)
Material Test Certificate (MTC)
SGS Inspection Report
Detailed Packing List
Commercial Invoice
More than just full documentation, we promise to reissue 24 hours for any document that you’ve got wrong or lost.
With our assistance, your pipeline projects will never pause due to unexpected paperwork delays.
Professional Transport Arrangements
Once the shipment has been dispatched, the merchandise will be delivered to a neutral carrier by land and sea transportation combination mode, the transportation will be safe and reliable. The following are the primary routes of transportation and ETA:
China → Colon, Panama: ~30 days
China → Manzanillo, Mexico: Around 28 Days
China → Limon, Costa Rica: ~35days
In case of project requirements, we offer short-haul transportation services from ports to oil fields or job sites. For instance, with local logistics partner in Panama TMM, we provide end-to-end logistic solutions, delivering project material in a timely and safe manner.
1. What is API 5L?
Specification for carbon steel line pipes used in oil, gas, water and industrial piping.
2. What are X52/X60/X65/X70/X80?
“X” = high-strength pipe
Number = minimum yield strength (ksi)
Higher the grade, higher the pressure capacity, thinner the walls and lighter the weight.
3. API 5L Steel Tubes Seamless vs Welded
Seamless (SMLS): no welding seam→ high strength, uniform metallurgy, better for high pressure pipeline.
4. API 5L Steel PSL1 vs PSL2
PSL1: standard mechanical/chemical requirements
PSL2: stricter quality, mandatory impact tests → suitable for sour, offshore, or low-temp environments
5. Typical Applications
Oil & gas pipelines
Water transmission
Industrial pipelines that require a pressure barrier and longevity
6. Sizes & Coatings
Sizes: Diameter: ½″ – 48″ +
Coatings: FBE, 3PE / 3LPE, concrete or cladding for protection against rust
Contact Details
Address
Kangsheng development industry zone,
Wuqing district, Tianjin city, China.
Phone
Hours
Monday-Sunday: 24-hour Service
-
China Construction Structure Steel UPN Channel ...
-
Fast Delivery Time Wear Resistant MS 2025-1:200...
-
Hot Sales All Types Of Steel Sheet Pile Hot Rol...
-
ASTM A510 / A1064 Low Carbon Steel Wire Rod | H...
-
Q345b Grade Hot Rolled / Cold Drawn Carbon Flat...
-
High-Quality Steel Wire Rod Coils | SAE1006 / S...
