Liam Steel, located in Manila, Philippines, stands out as a leading manufacturer and supplier of top-notch Carbon Steel API X65 5L PSL 1 Pipes, providing exceptional pipeline solutions for the oil, gas, and petrochemical sectors. Crafted to meet API 5L PSL 1 standards, these pipes boast remarkable strength, toughness, and resistance to corrosion, ensuring they hold up well in high-pressure and high-temperature environments. With a strong focus on precision engineering, rigorous quality control, and customer satisfaction, Liam Steel has earned a reputation as a reliable source for durable carbon steel piping solutions, catering to both local and international markets in industrial, energy, and infrastructure applications.
The Carbon Steel API X65 5L PSL 1 Pipes are made up of carbon (≤0.26%), manganese (≤1.4%), phosphorus (≤0.03%), and sulfur (≤0.03%), striking a perfect balance between strength and ductility. These pipes deliver a minimum yield strength of 450 MPa and a tensile strength of 535 MPa. Renowned for their outstanding mechanical performance, excellent weldability, and high impact resistance, API X65 pipes are perfectly suited for challenging applications that involve extreme pressures and tough environmental conditions.
| Standard | ISO 3183 L450/ API 5L X65 |
| Grade of material | X65 / L450 (N, M, Q, R) |
| PSL Level | |
| API 5L X65 PSL1 Seamless Pipe (OD) | 21.3 – 660mm ( Inch 1/2” – 26”) |
| X65 Steel LSAW / DSAW | 16’OD TO 54″ OD (8 MM TO 50 MM THK) |
| X65 Carbon Steel SAW | 16″ – 100″ NB |
| API 5L X65 PSL1 ERW and HFW | 1/2” NB – 24” NB |
| Coating for API 5L X65 PSL1 Line Pipe | 3PP, Anti-Rust Oil, CRA clad, FBE, lined pipe, Varnished, Black Painting, 3PE, 3LPE, Galvanized, |
| API 5L Grade X65 Pipe end | Cut Grooves, Square Cut, Grooved, Vibrator Grinding, Plain end (PE), Chamfering, Coupling, Screwed, Pub Joints, Deburring, Thread Cutting, Flanged Ends, Socket, Squared Ends, Threaded Ends (Male & Female), Buttweld, Beveled End (BE) |
| Cutting Facility | Laser Cutting, Sawing, Tapping, Water Jet Cutting |
| Equivalent Standards | JIS, DIN, NFA, BS, CSA, GOST, AWWA, KS, UNI, AISI, IS, EN, API, SAE, ANSI, ISO, ASTM, GB, SS |
| Grade X65 PSL1 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 X65 Wall Thickness | SCH-STD, SCH160, SCH80, SCH-XXS, SCH-XS, SCH40 |
| Manufacturing process | Welded, Seamless, Electro Fusion Seam Welded (EFSW), Hot Finish Seamless (HFS), Longitudinally Submerged Arc Welded (LSAW), Cold Drawn Seamless (CDS), Electric Resistance Welded (ERW), Horizontal Submerged Arc Welded (HSAW), Extrusion, Submerged Arc Welded (SAW) |
| Mass fraction, based upon heat and product analysis a | |||||||
| CS PIPE | |||||||
| C | Mn | P | S | V | Nb | Ti | |
| maxb | max.b | min. | max. | max. | max. | max. | max. |
| 0.28e | 1.40e | – | 0.030 | 0.030 | f | f | f |
| Y.S | T.S | ELONGATION |
| Mpa(psi) | Mpa(psi) | |
| min | min | min |
| 415(60 200) | 520(75 400) | F |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| API 5L X65 Pipe types | API 5L X65 Pipe Size (mm) | Tolerances | |
|---|---|---|---|
| Hot rolled API 5L X65 Seamless Pipe | OD | <50 | ±0.50mm |
| ≥50 | ±1% | ||
| WT | <4 | ±12.5% | |
| ≥4～20 | +15%, -12.5% | ||
| >20 | ±12.5% | ||
| Cold drawn API 5L X65 Seamless Pipe | OD | 6～10 | ±0.20mm |
| 10～30 | ±0.40mm | ||
| 30～50 | ±0.45 | ||
| >50 | ±1% | ||
| WT | <1 | ±0.15mm | |
| >1～3 | + 15%, – 10% | ||
| >3 | + 12.5%, – 10% | ||
Liam Steel is a leading supplier of high-quality Carbon Steel API X65 5L PSL 1 Pipes products in Manila, Philippines. 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.
You’ll find Carbon Steel API X65 5L PSL 1 Pipes commonly used in oil and gas transmission pipelines, petrochemical industries, refineries, offshore drilling operations, and power generation systems. They efficiently transport natural gas, crude oil, and other fluids over long distances while enduring high stress. Thanks to their strength, corrosion resistance, and precise dimensions, these pipes are ideal for structural applications, high-pressure piping systems, and industrial fluid transport. With consistent performance and adherence to international standards, API X65 pipes have become the go-to choice for modern energy and infrastructure projects around the globe.
Liam Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Manila, Philippines.
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