Stolt Steel, a reputable stockist and supplier based in Dubai, UAE, specializes in high-performance Carbon Steel API 5L X70 PSL 1 Pipes that are crafted for efficient and dependable fluid and gas transmission. These pipes are produced with cutting-edge manufacturing techniques and rigorous quality controls, ensuring they offer exceptional strength, durability, and weldability. Stolt Steel guarantees that their X70 PSL 1 pipes fully comply with API 5L specifications, making them perfect for long-distance pipelines, structural applications, and challenging industrial settings. Known for their outstanding performance across various climates and operating conditions, these pipes are an excellent choice for oil, gas, and energy infrastructure projects.
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What is API 5L X70 Pipe PSL 1?
Carbon Steel API 5L X70 PSL 1 Pipes are made from micro-alloyed carbon steel, which contains carefully controlled amounts of carbon, manganese, phosphorus, sulfur, and alloying elements like niobium, vanadium, or titanium. This specific composition boosts their strength, toughness, and weldability. Mechanically, these pipes provide high yield and tensile strength, impressive impact resistance, and good ductility, making them suitable for long-distance pipeline applications. They also perform reliably under pressure, resist fracture propagation effectively, and maintain stability in fluctuating temperatures. The blend of toughness and strength makes X70 PSL 1 pipes ideal for demanding pipeline operations.
Carbon Steel API 5L X70 PSL 1 Pipes Specification
| X70 LSAW / DSAW | 16’OD TO 54″ OD (8 MM TO 50 MM THK) |
| Grade of material | X70 / L485 (N, M, Q, R) |
| Standard | ISO 3183 L485/ API 5L X70 |
| API 5L X70 ERW and HFW | 1/2” NB – 24” NB |
| API 5L Gr X70 Seamless Pipe (OD) | 21.3 – 660mm ( Inch 1/2” – 26”) |
| X70 Steel SAW | 16″ – 100″ NB |
| API 5L X70 PSL1 Pipe end | Flanged Ends, Buttweld, Square Cut, Coupling, Pub Joints, Thread Cutting, Cut Grooves, Deburring, Squared Ends, Beveled End (BE), Vibrator Grinding, Socket, Grooved, Screwed, Chamfering, Plain end (PE), Threaded Ends (Male & Female) |
| Manufacturing process | Welded, Seamless, Longitudinally Submerged Arc Welded (LSAW), Electro Fusion Seam Welded (EFSW), Submerged Arc Welded (SAW), Cold Drawn Seamless (CDS), Horizontal Submerged Arc Welded (HSAW), Extrusion, Hot Finish Seamless (HFS), Electric Resistance Welded (ERW) |
| API 5L X70 Wall Thickness | SCH-XXS, SCH160, SCH-XS, SCH40, SCH-STD, SCH80 |
| Equivalent Standards | KS, AISI, ISO, BS, SS, EN, JIS, AWWA, CSA, GOST, SAE, GB, ANSI, NFA, ASTM, API, DIN, IS, UNI |
| PSL Level | |
| X70 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, |
Carbon Steel API 5L X70 PSL 1 Pipes Chemical Composition
| Element | Seamless Pipe | Welded Pipe |
|---|---|---|
| Carbon (C) | 0.28% max | 0.26% max (Multi Metals India) |
| Manganese (Mn) | 1.40% max | 1.65% max (Multi Metals India) |
| Phosphorus (P) | 0.030% max | 0.030% max (Multi Metals India) |
| Sulfur (S) | 0.030% max | 0.030% max (Multi Metals India) |
| Silicon (Si) | Typically controlled (often ≤ 0.45%) — optional per agreement (Multi Metals India) | |
| Vanadium (V) | As agreed (often micro-alloying) (Multi Metals India) | |
| Niobium (Nb) | As agreed (often micro-alloying) (Multi Metals India) | |
| Titanium (Ti) | As agreed (often micro-alloying) (Multi Metals India) | |
| Other elements (Cu, Ni, Cr, Mo) | Typically limited by agreement (e.g., Cu ≤ 0.50%, Ni ≤ 0.50%, Cr ≤ 0.50%, Mo ≤ 0.15%) (American Piping Products) |
Carbon Steel API 5L X70 PSL 1 Pipes Mechanical Properties
| Property | Requirement |
|---|---|
| Minimum Yield Strength | 485 MPa (70,300 psi) |
| Maximum Yield Strength | 635 MPa (92,100 psi) |
| Minimum Tensile Strength | 570 MPa (82,700 psi) |
| Maximum Tensile Strength | 760 MPa (110,200 psi) |
| Yield to Tensile Ratio | ≤ 0.93 |
| Elongation | As per API 5L formula (varies with OD & thickness) |
| Impact Test (CVN) | Not mandatory for PSL 1 |
| Hardness Requirement | Not specified (unless agreed) |
Carbon Steel API 5L X70 PSL 1 Pipes Dimensions Chart
| NB | DN | OD (inches) | API 5L X 70 Carbon Steel Seamless Pipe Schedule | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SCH 5 | SCH 10 | SCH 20 | SCH 30 | SCH 40 | SCH 60 | SCH 80 | SCH 100 | SCH 120 | SCH 160 | |||
| 3/4″ | 20 | 1.05 | 0.065 | 0.11 | x | 0.095 | 0.113 | x | x | 0.17 | x | 0.219 |
| 1″ | 25 | 1.315 | 0.065 | 0.11 | x | 0.114 | 0.133 | x | x | 0.2 | x | 0.25 |
| 1.1/2″ | 40 | 1.9 | 0.065 | 0.11 | x | 0.125 | 0.145 | x | x | 0.225 | x | 0.281 |
| 2″ | 50 | 2.375 | 0.065 | 0.12 | x | x | 0.154 | x | x | 0.25 | x | 0.344 |
| 2.1/2″ | 65 | 2.875 | 0.083 | 0.12 | x | x | 0.203 | x | x | 0.3 | x | 0.375 |
| 3″ | 80 | 3.5 | 0.083 | 0.12 | x | x | 0.216 | x | x | 0.35 | x | 0.438 |
| 4″ | 100 | 4.5 | 0.083 | 0.12 | x | x | 0.237 | x | x | 0.437 | x | 0.531 |
| 5″ | 125 | 5.563 | 0.109 | 0.12 | x | x | 0.258 | x | x | 0.5 | x | 0.625 |
| 6″ | 150 | 6.625 | 0.109 | 0.13 | x | x | 0.28 | x | x | 0.562 | x | 0.719 |
| 8″ | 200 | 8.625 | 0.109 | 0.15 | 0.25 | 0.277 | 0.322 | 0.406 | 0.593 | 0.718 | 0.812 | 0.906 |
| 10″ | 250 | 10.75 | 0.134 | 0.17 | 0.25 | 0.307 | 0.365 | 0.5 | 0.718 | 0.843 | 1.0 | 1.125 |
| 12″ | 300 | 12.75 | 0.165 | 0.18 | 0.25 | 0.33 | 0.406 | 0.5 | 0.843 | 1.0 | 1.125 | 1.312 |
If You Are Looking To Buy High Quality Pipes, Sheet, Fittings and Flanges
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
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Stolt Steels is the largest stockist ofAPI 5L X70 Pipe PSL 1 in Dubai, UAE.
Stolt Steels is a trusted stockist, stockist, and supplier of premium-quality steel products in Dubai, UAE, serving diverse industrial sectors with reliable materials and timely delivery. With a strong commitment to excellence, we offer a wide range of pipes, sheets, plates, and other metal solutions designed to meet global standards. Our extensive inventory, expert support, and customer-focused approach make us a preferred partner for companies seeking durable and high-performance steel products. For inquiries or orders, contact us at sales@stoltsteels.com.
Types of API 5L X70 Pipe PSL 1
Uses of High API 5L X70 Pipe PSL 1
Carbon Steel API 5L X70 PSL 1 Pipes find extensive use in oil and gas transmission pipelines, petrochemical distribution networks, and high-pressure fluid transportation systems. Their remarkable strength and toughness make them perfect for long-distance gas pipelines, refinery connections, offshore and onshore flow lines, and structural pipeline installations. Various industries, including power generation, water treatment, energy infrastructure, and industrial processing, depend on X70 PSL 1 pipes for their durability and reliable performance. These pipes are also utilized in slurry transport systems, showcasing their versatility and effectiveness in a range of applications.
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