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Thabiso Steel, a top-notch manufacturer and supplier based in Cape Town, South Africa, specializes in high-quality **Carbon Steel API X56 5L PSL 2 Pipes**. These pipes are crafted for exceptional strength, durability, and reliability, making them perfect for tough pipeline applications. Each pipe is precision-engineered to meet international standards, guaranteeing outstanding dimensional accuracy, mechanical performance, and resistance to corrosion and environmental stress. Whether it’s for transporting oil, gas, or other fluids under high pressure, Thabiso Steel’s API X56 pipes are built to deliver consistent, long-lasting performance. They’re trusted across the energy, industrial, and infrastructure sectors, providing safe, efficient, and durable solutions for critical fluid transport systems that demand toughness, weldability, and fatigue resistance.
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API 5L X56 PSL2 Seamless Pipes
API 5L X56 PSL2 Welded Pipes
API 5L X56 PSL2 Seamless Pipes
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What is Carbon Steel API X56 5L PSL 2 Pipes?
The **Carbon Steel API X56 5L PSL 2 Pipes** are made from a blend of carbon, manganese, phosphorus, sulfur, and carefully controlled alloying elements to enhance strength, toughness, and weldability. With a tensile strength ranging from approximately 485 to 620 MPa and a yield strength of 415 to 500 MPa, these pipes boast excellent ductility, toughness, and fatigue resistance. These impressive mechanical properties ensure that **API X56 Pipes** maintain their structural integrity and reliable performance even in high-pressure pipeline applications, making them ideal for long-distance fluid transportation under challenging service conditions.
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Carbon Steel API X56 5L PSL 2 Pipes Specification
| Grade of material | X56 / L390 (N, M, Q, R) |
| Standard | ISO 3183 L390/ API 5L X56 |
| API 5L X56 Seamless Pipe (OD) | 21.3 – 660mm ( Inch 1/2” – 26”) |
| X56 SAW | 16″ – 100″ NB |
| API 5L X56 PSL2 ERW and HFW | 1/2” NB – 24” NB |
| X56 Steel LSAW / DSAW | 16’OD TO 54″ OD (8 MM TO 50 MM THK) |
| API 5L X56 PSL2 Pipe end | Square Cut, Buttweld, Pub Joints, Squared Ends, Thread Cutting, Socket, Cut Grooves, Coupling, Deburring, Vibrator Grinding, Plain end (PE), Chamfering, Threaded Ends (Male & Female), Screwed, Beveled End (BE), Flanged Ends, Grooved |
| X56 Carbon Steel Pipe Length | DRL, SRL, 20FT, 40FT, Single Random Length (SRL), Double Random Length (DRL), and Fixed Length 5.8 Meter, 12.0 Meters (40FT), 6.0 Meters (20FT), 11.8 Meters, |
| API 5L X56 Wall Thickness | SCH80, SCH160, SCH-XS, SCH-XXS, SCH-STD, SCH40, |
| PSL Level |
|
| Coating for API 5L X56 Line Pipe | Black Painting, CRA clad, 3PE, 3PP, 3LPE, FBE, Galvanized, lined pipe, Anti-Rust Oil, Varnished, |
Carbon Steel API X56 5L PSL 2 Pipes Chemical Composition
| Mass fraction, based upon heat and product analysis % maximum | CARBON EQUIVALENT a | ||||||||||
| % MAXIMUM | |||||||||||
| Cb | Si | Mnb | P | S | V | Nb | Ti | Other | CEIIW | CEPcm | |
| L320N or X56 | 0.24 | 0.4 | 1.4 | 0.025 | 0.015 | 0.10f | 0.05 | 0.04 | e | 0.43 | 0.25 |
Carbon Steel API X56 5L PSL 2 Pipes Mechanical Properties
| .S | T.S | ELONGATION |
| Mpa(psi) | Mpa(psi) | |
| min | min | min |
| 390(56 600) | 545(79 000) | F |
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Carbon Steel API X56 5L PSL 2 Pipes Mechanical Properties
| NPS (in) |
Outside Diameter (in) |
API 5L X56 Pipe Schedule | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SCH 10 | SCH 20 | SCH 30 | SCH STD | SCH 40 | SCH 60 | SCH XS | SCH 80 | SCH 100 | SCH 120 | SCH 140 | SCH 160 | SCH XXS | ||
| Wall Thickness (in) | ||||||||||||||
| 1/8 | 0.405 | 0.068 | 0.068 | 0.095 | 0.095 | |||||||||
| 1/4 | 0.540 | 0.088 | 0.088 | 0.119 | 0.119 | |||||||||
| 3/8 | 0.675 | 0.091 | 0.091 | 0.126 | 0.126 | |||||||||
| 1/2 | 0.840 | 0.109 | 0.109 | 0.147 | 0.147 | 0.187 | 0.294 | |||||||
| 3/4 | 1.050 | 0.113 | 0.113 | 0.154 | 0.154 | 0.219 | 0.308 | |||||||
| 1 | 1.315 | 0.133 | 0.133 | 0.179 | 0.179 | 0.250 | 0.358 | |||||||
| 1 1/4 | 1.660 | 0.140 | 0.140 | 0.191 | 0.191 | 0.250 | 0.382 | |||||||
| 1 1/2 | 1.900 | 0.145 | 0.145 | 0.200 | 0.200 | 0.281 | 0.400 | |||||||
| 2 | 2.375 | 0.154 | 0.154 | 0.218 | 0.218 | 0.344 | 0.436 | |||||||
| 2 1/2 | 2.875 | 0.203 | 0.203 | 0.276 | 0.276 | 0.375 | 0.552 | |||||||
| 3 | 3.500 | 0.216 | 0.216 | 0.300 | 0.300 | 0.438 | 0.600 | |||||||
| 3 1/2 | 4.000 | 0.226 | 0.226 | 0.318 | 0.318 | |||||||||
| 4 | 4.500 | 0.237 | 0.237 | 0.337 | 0.337 | 0.438 | 0.531 | 0.674 | ||||||
| 5 | 5.563 | 0.258 | 0.258 | 0.375 | 0.375 | 0.500 | 0.625 | 0.750 | ||||||
| 6 | 6.625 | 0.280 | 0.280 | 0.432 | 0.432 | 0.562 | 0.719 | 0.864 | ||||||
| 8 | 8.625 | 0.250 | 0.277 | 0.322 | 0.322 | 0.406 | 0.500 | 0.500 | 0.594 | 0.719 | 0.812 | 0.906 | 0.875 | |
| 10 | 10.750 | 0.250 | 0.307 | 0.365 | 0.365 | 0.500 | 0.500 | 0.594 | 0.719 | 0.844 | 1.000 | 1.125 | 1.000 | |
| 12 | 12.750 | 0.250 | 0.330 | 0.375 | 0.406 | 0.562 | 0.500 | 0.688 | 0.844 | 1.000 | 1.125 | 1.312 | 1.000 | |
| 14 | 14.000 | 0.250 | 0.312 | 0.375 | 0.375 | 0.438 | 0.594 | 0.500 | 0.750 | 0.938 | 1.094 | 1.250 | 1.406 | |
| 16 | 16.000 | 0.250 | 0.312 | 0.375 | 0.375 | 0.500 | 0.656 | 0.500 | 0.844 | 1.031 | 1.219 | 1.438 | 1.594 | |
| 18 | 18.000 | 0.250 | 0.312 | 0.438 | 0.375 | 0.562 | 0.750 | 0.500 | 0.938 | 1.156 | 1.375 | 1.562 | 1.781 | |
| 20 | 20.000 | 0.250 | 0.375 | 0.500 | 0.375 | 0.594 | 0.812 | 0.500 | 1.031 | 1.281 | 1.500 | 1.750 | 1.969 | |
| 22 | 22.000 | 0.250 | 0.375 | 0.500 | 0.375 | 0.875 | 0.500 | 1.125 | 1.375 | 1.625 | 1.875 | 2.125 | ||
| 24 | 24.000 | 0.250 | 0.375 | 0.562 | 0.375 | 0.688 | 0.969 | 0.500 | 1.219 | 1.531 | 1.812 | 2.062 | 2.344 | |
| 30 | 30.000 | 0.312 | 0.500 | 0.625 | 0.375 | 0.500 | ||||||||
| 32 | 32.000 | 0.312 | 0.500 | 0.625 | 0.375 | 0.688 | ||||||||
| 34 | 34.000 | 0.312 | 0.500 | 0.625 | 0.375 | 0.688 | ||||||||
| 36 | 36.000 | 0.312 | 0.500 | 0.625 | 0.375 | 0.750 | ||||||||
| 42 | 42.000 | 0.500 | 0.625 | 0.375 | 0.750 | |||||||||
Top Manufacturer and Supplier of Carbon Steel API X56 5L PSL 2 Pipes in Cape Town, South Africa
ThabisoSteel is a leading supplier of high-quality Carbon Steel API X56 5L PSL 2 Pipes products in Cape Town, South Africa. We focus on steel solutions and offer a variety of products. This includes Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our products are Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. We are known for our good delivery and excellent customer care. We aim to provide strong and durable steel materials for many industrial uses. We work hard to meet high standards, making us a trusted partner for your steel needs.
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Types of Carbon Steel API X56 5L PSL 2 Pipes






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Uses of Carbon Steel API X56 5L PSL 2 Pipes
You’ll find **Carbon Steel API X56 5L PSL 2 Pipes** widely utilized in oil and gas transmission pipelines, both onshore and offshore installations, as well as in water distribution and petrochemical infrastructure. Their unique combination of high strength, toughness, and corrosion resistance makes them perfect for long-distance and high-pressure fluid transport. These pipes are frequently used in natural gas distribution, crude oil pipelines, and industrial fluid systems where durability, reliability, and safety are paramount. The superior mechanical performance of **API X56 Pipes** ensures efficient and long-lasting operation, making them a go-to choice for engineers and contractors alike.
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