Products Description
Our API 5L X42 and X52 ERW (Electric Resistance Welded) line pipes are manufactured in strict compliance with the API 5L standard, available in both PSL1 and PSL2 quality levels. Designed for the safe, efficient transmission of oil, natural gas and water over long distances, these carbon steel line pipes offer high yield strength, excellent weldability and dependable long‑term performance. Each pipe is supplied with a full Mill Test Certificate (MTC) and can be inspected by any third‑party agency you specify.
Products Description
| Item | Specification |
| Standard | API 5L (latest edition) |
| Grade | X42, X52 (also available: B, X46, X56, X60) |
| Product Specification Level | PSL1, PSL2 |
| Pipe Type | ERW (Electric Resistance Welded) Line Pipe |
| Outer Diameter | 219.1 mm – 610 mm |
| Wall Thickness | 3.25 mm – 17.5 mm |
| Length | 5.8 / 6 / 11.8 / 12 m (SRL, DRL), max 22 m |
| Pipe Ends | Plain End (PE), Beveled End (BE), Threaded & Coupled (T&C) |
| Surface Condition | Bare / Black, Varnished, Oiled, 3PE / FBE Coating |
| Delivery Condition | As‑rolled, Normalized, TMCP (per PSL2) |
| Tolerance | According to API 5L requirements |
Chemical Composition (max, wt%)
| Grade | C (max) | Mn (max) | P (max) | S (max) |
| X42 | 0.28 | 1.3 | 0.03 | 0.03 |
| X52 | 0.28 | 1.4 | 0.03 | 0.03 |
Mechanical Properties
| Grade | PSL Level | Min Yield Strength (MPa) | Min Tensile Strength (MPa) | Min Elongation (%) |
| X42 | PSL1 / PSL2 | ≥ 290 (42 ksi) | ≥ 414 (60 ksi) | ≥ 21 |
| X52 | PSL1 / PSL2 | ≥ 359 (52 ksi) | ≥ 455 (66 ksi) | ≥ 20 |
Key Features
| No. | Feature |
| 1 | Manufactured to API 5L standard with full material traceability |
| 2 | High yield strength for long‑distance, high‑pressure fluid transmission |
| 3 | Excellent weldability and formability for convenient field installation |
| 4 | Available in PSL1 & PSL2 with strict chemical and mechanical control |
| 5 | ERW manufacturing process ensures uniform wall thickness and smooth surface |
| 6 | Supplied with Mill Test Certificate conforming to EN 10204 3.1 |
| 7 | Third‑party inspection accepted: SGS, BV, TUV, Intertek and other assigned agencies |
| 8 | Direct factory supply with competitive price and flexible lead time |
Main Applications
| Industry | Application |
| Oil & Gas Industry | Crude oil and natural gas long‑distance transmission pipelines |
| Petrochemical Industry | Refinery and chemical process piping systems |
| Water Project | Potable water transportation and irrigation pipelines |
| Energy Industry | Power plant process and auxiliary piping |
| Construction | Piling and structural steel piping works |
Packaging & Shipping
| Item | Details |
| Packaging | Bundled with steel straps, seaworthy export packing, plastic end caps for pipe protection |
| Transport Mode | Sea freight (container / bulk vessel), railway transport, truck delivery |
| Loading Port | Tianjin / Shanghai / Qingdao, China |
| Lead Time | 15‑30 working days upon receipt of deposit, subject to order quantity |
| Payment Terms | T/T, L/C at sight |
Quality & Testing
| Item | Details |
| Applicable Standard | API 5L latest edition, PSL1 / PSL2 |
| Production Tests | Hydrostatic test, Eddy current test, Ultrasonic weld inspection, dimensional & visual check |
| Shipping Documents | Mill Test Certificate, Inspection Certificate, Packing List, Commercial Invoice |
| Third‑Party Service | Support customer‑appointed third‑party inspection before shipment |
FAQ
Q: What is the difference between API 5L PSL1 and PSL2?
A: PSL2 applies stricter limits on chemical composition, mechanical performance and impact toughness, suitable for critical and sour service pipeline projects.
Q: What is the difference between X42 and X52 grade?
A: X52 possesses higher minimum yield strength than X42, which can bear higher working pressure for pipeline operation.
Q: Can you provide Mill Test Certificate?
A: Yes, all our pipes come with official MTC documents complying with EN 10204 3.1, third‑party verification is acceptable.
Q: What pipe lengths can you supply?
A: We provide 5.8m, 6m, 11.8m, 12m standard SRL & DRL lengths, custom lengths are negotiable.
Q: Are external anti‑corrosion coatings available?
A: Yes, FBE, 3PE, 3PP and other anti‑corrosion coatings can be produced according to project requirements.
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