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Help CenterCarbon Steel Pipe for Oil Pipeline API 5L X52 10 Inch SCH40 Coated Anti Corrosion
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Hemaokang Steel (Shandong) Co., Ltd. proudly presents our premium Carbon Steel Pipe for Oil Pipeline API 5L X52 10 Inch SCH40 Coated Anti Corrosion. As a professional manufacturer located in Liaocheng, Shandong, China, we have been dedicated to supplying high-quality steel pipes since 2025, with an annual export value of US$50–100 million. Our ISO9001-certified production process ensures consistent quality and reliability for demanding oil and gas applications. This pipe is engineered to meet the rigorous requirements of cross-country oil pipelines, combining excellent mechanical properties with advanced anti-corrosion coating for long-term durability.
The API 5L X52 grade offers a minimum yield strength of 52,000 psi (360 MPa), making it suitable for high-pressure transmission. The 10-inch (DN250) nominal diameter paired with SCH40 wall thickness (9.27 mm) provides a balanced design for flow capacity and structural integrity. All pipes are coated with anti-corrosion layers (such as FBE or 3LPE) to protect against environmental factors, and are available in standard or customized lengths.
Key Features & Technical Specifications
- High Strength & Toughness: X52 grade ensures reliable performance under high pressure and low-temperature conditions.
- Precise Dimensions: Manufactured to API 5L strict tolerances, with outer diameter and wall thickness controlled within ±1%.
- Anti-Corrosion Coating: Options include fusion bonded epoxy (FBE), 3-layer polyethylene (3LPE), and 3-layer polypropylene (3LPP) – customizable to your project requirements.
- Weldability: Beveled ends (30°–35°) facilitate easy field welding; chemical composition optimized for low carbon equivalent.
- Hydrostatic Testing: Each pipe is pressure-tested to ensure leak-free integrity.
- Traceability: Full mill test certificates (MTC) with heat number and chemical analysis provided.
| Parameter | Value |
| Standard | API 5L PSL1 / PSL2 (X52) |
| Nominal Diameter | 10 inch (DN250) |
| Wall Thickness | SCH40 – 9.27 mm (0.365 inch) |
| Length | 6 m / 12 m (random length or fixed as per order) |
| Coating Type | FBE / 3LPE / 3LPP (custom) |
| End Preparation | Beveled (30°–35°) for welding |
| Testing | Hydrostatic, UT, Dimensional, Visual |
| Certification | ISO9001, API 5L compliant |
Benefits for Your Pipeline Project
- Long Service Life: Anti-corrosion coating significantly reduces maintenance costs and extends operational lifespan in harsh environments.
- High Flow Efficiency: Smooth internal surface and precise diameter minimize pressure loss.
- Easy Installation: Standardized dimensions and beveled ends allow quick on-site welding and reduce labor time.
- Global Compliance: Meets international standards for oil and gas pipelines, suitable for projects in North America, South America, Europe, Africa, the Middle East, and Asia.
As a trusted partner, Hemaokang Steel has exported to over 10 countries and regions, with a dedicated team of 51–100 professionals ensuring timely delivery and after-sales support. Our pipes are widely used in crude oil, natural gas, and water injection pipelines. We offer flexible customization including coating type, length, and packaging (bundled or in containers).
Trust & Reliability
Our production facility in Liaocheng, Shandong, is equipped with advanced manufacturing lines and strict quality control systems. We have obtained ISO9001 certification, and every shipment undergoes third-party inspection or SGS/BV upon request. With an annual export value exceeding US$50 million, we have established long-term relationships with clients across the globe. Our team responds to inquiries within 24 hours and provides technical support throughout the project lifecycle.
Contact us today for a competitive quotation and detailed mill test reports. Let Hemaokang Steel be your reliable partner for pipeline projects.
Frequently Asked Questions (FAQ)
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Q: What is the difference between PSL1 and PSL2 for API 5L X52?
A: PSL2 has stricter requirements for chemical composition, notch toughness, and non-destructive testing. Our pipe can be supplied as PSL1 or PSL2 based on your project specification. Please confirm when ordering. -
Q: Can you provide anti-corrosion coating for sour service (H2S environment)?
A: Yes, we can supply pipes with special coating systems suitable for sour service, such as 3LPP or high-temperature FBE. Additional requirements like hardness testing are available upon request. -
Q: What is the standard length of the pipe? Can I get custom lengths?
A: Standard lengths are 6 m and 12 m (random or fixed). Custom lengths (e.g., 8 m, 10 m) are possible with a minimum order quantity. Contact us for details. -
Q: Do you provide third-party inspection like SGS or BV?
A: Absolutely. We can arrange third-party inspection at the buyer’s cost or as part of the contract. Our ISO9001 system also ensures internal quality control. -
Q: What is the delivery time for a typical order?
A: For standard sizes like 10 inch SCH40, delivery is usually 15–30 days after order confirmation, depending on quantity and coating requirements. Rush orders are negotiable. -
Q: What kind of packaging do you use for export?
A: We use seaworthy packaging: each pipe is wrapped with protective material, bundled with steel straps, and loaded in containers or break-bulk vessels. End caps are applied to protect threads/bevels. -
Q: Can I get a sample before placing a bulk order?
A: Yes, sample pipes (coated or uncoated) are available. The sample cost and shipping fee will be charged, but we can deduct it from the bulk order if you proceed. -
Q: How do you ensure the coating quality during transportation?
A: Our coating is applied in a controlled factory environment and cured properly. We use cushioning materials and ensure proper ventilation during shipping. Inspection before loading is always performed.
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