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Help CenterCarbon Steel Pipe Used for Oil and Gas Transportation ERW API 5L X52 With Beveled Ends
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Welcome to Hemaokang Steel (Shandong) Co., Ltd. – your trusted partner in high-quality steel solutions. Our ERW API 5L X52 Carbon Steel Pipe with Beveled Ends is specifically engineered for the demanding requirements of oil and gas transportation. With a strong commitment to excellence, we leverage our ISO9001-certified production processes and decades of industry expertise to deliver pipes that meet international standards. Whether you are constructing cross-country pipelines or upgrading existing infrastructure, our product ensures reliable performance, easy welding, and long service life.
This pipe is manufactured using Electric Resistance Welding (ERW) technology, which provides precise dimensional control and excellent weld integrity. The API 5L X52 grade offers a balanced combination of strength and toughness, making it suitable for high-pressure transmission of crude oil, natural gas, and refined products. The beveled ends facilitate quick and secure field welding, reducing installation time and labor costs. Below, we detail the key features and specifications that set our product apart.
Key Features & Benefits
- High Strength & Durability: API 5L X52 grade ensures a minimum yield strength of 52,000 psi (360 MPa) and excellent impact resistance, ideal for harsh environments.
- Precision ERW Manufacturing: Electric Resistance Welding produces a uniform weld seam with no filler metal, resulting in a smooth surface and consistent wall thickness.
- Beveled Ends for Easy Welding: Standard 30° bevel angle with 1.6mm ± 0.2mm root face, ready for field jointing without additional preparation.
- Wide Range of Sizes: Sizes from 1/2 inch to 48 inches in diameter, with wall thicknesses from SCH20 to SCH160, and lengths up to 12 meters – customizable to your project needs.
- Corrosion Resistance Options: Available with external coating (e.g., FBE, 3LPE, 3LPP) and internal lining upon request for enhanced protection against corrosion.
- Rigorous Quality Control: Every pipe undergoes hydrostatic testing, ultrasonic inspection, and dimensional checks to ensure compliance with API 5L specifications.
- Traceability & Certification: Each pipe is marked with heat number, grade, size, and mill certificate, providing full traceability from raw material to final product.
- Global Logistics Support: Shipped from Qingdao port with efficient export processes, ensuring timely delivery to markets worldwide.
Technical Specifications
| Parameter | Value |
| Standard | API 5L (45th Edition) |
| Grade | X52 (PSL1 / PSL2 available) |
| Manufacturing Process | ERW (Electric Resistance Welded) |
| End Finish | Beveled Ends (30° bevel, 1.6mm ± 0.2mm root face) |
| Outside Diameter | 1/2" - 48" (customizable) |
| Wall Thickness | SCH20, SCH40, SCH80, SCH120, SCH160 (or custom) |
| Length | 5.8m, 11.8m, 12m, or random lengths (0-5% tolerance) |
| Chemical Composition (max) | C: 0.28%, Mn: 1.40%, P: 0.030%, S: 0.030% |
| Mechanical Properties | Yield Strength: min 360 MPa; Tensile: min 460 MPa |
| Testing | Hydrostatic, Ultrasonic, Bend, Flattening (per API 5L) |
| Coating Options | FBE, 3LPE, 3LPP, Black Paint, Oiled (optional) |
Why Choose Hemaokang Steel?
At Hemaokang Steel (Shandong) Co., Ltd., we are dedicated to providing superior quality products backed by strong manufacturing capabilities. Since our establishment in 2025, we have rapidly grown to achieve an annual export value of US$50 million – US$100 million, serving clients across North America, South America, Europe, Africa, the Middle East, Asia, and Oceania. Our team of 51–100 skilled professionals ensures that every pipe meets the highest standards of precision and reliability.
We are proud to hold ISO9001 certification, which reflects our commitment to quality management systems. Our production facility is equipped with advanced ERW mills, in-line NDT equipment, and a comprehensive testing lab. Every shipment is carefully inspected, and we offer full documentation including mill test certificates, material traceability, and third-party inspection reports upon request. With our strategic location in Liaocheng, Shandong, and convenient access to Qingdao port, we deliver efficiently to destinations worldwide.
We understand that pipeline projects demand dependable materials. That is why our API 5L X52 ERW pipes are engineered to withstand high pressure, temperature fluctuations, and corrosive environments. Whether you need standard sizes or custom specifications, we provide flexible solutions tailored to your project requirements. Contact us today for a competitive quote, and let us support your oil and gas transportation needs with our premium products and professional service.
Frequently Asked Questions (FAQ)
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Q: What is the difference between PSL1 and PSL2 for API 5L X52?
A: PSL1 is the standard quality level, while PSL2 imposes stricter requirements for chemical composition, mechanical properties, and additional non-destructive testing (e.g., longitudinal seam NDT). PSL2 pipes are often specified for high-pressure or sour service applications. We can supply both grades based on your project specifications. -
Q: Can you provide pipes with 3LPE coating for underground use?
A: Yes, we offer 3-layer polyethylene (3LPE) coating, as well as FBE, 3LPP, and other coatings. Please specify your coating requirements, and we will provide the appropriate solution for corrosion protection. -
Q: What is the typical lead time for this product?
A: For standard sizes (e.g., 4" to 24" diameter), the lead time is approximately 15–30 days after order confirmation. Custom sizes or special coatings may require 30–45 days. We always work to meet your schedule. -
Q: Do you accept third-party inspection?
A: Absolutely. We welcome inspection by recognized third-party agencies such as SGS, BV, TÜV, or your appointed representative. All inspection costs are transparent and can be included in the quotation. -
Q: What is the minimum order quantity (MOQ) for this pipe?
A: Our MOQ is typically 10 tons for standard products. For smaller quantities, please contact us to discuss availability and pricing. -
Q: Are the beveled ends suitable for automatic welding?
A: Yes, our beveled ends are machined to precise tolerances (30° bevel angle, 1.6mm ± 0.2mm root face) which are compatible with both manual and automatic welding processes. We can also adjust the bevel profile per your welding procedure. -
Q: How do you ensure the pipe's dimensional accuracy over long lengths?
A: Our ERW process uses high-frequency welding with continuous in-line gauging. After welding, the pipe is straightened and cut to length with laser measurement. We also perform OD, WT, and straightness inspections on every pipe. -
Q: Can you provide documentation for customs clearance?
A: Yes, we provide a full set of export documents including commercial invoice, packing list, bill of lading, certificate of origin, mill test certificate, and any other required certificates. Our logistics team is experienced in international shipping.
Hemaokang Steel – Your reliable partner in high-quality steel pipes for oil and gas transportation. Contact us today for a quotation or technical consultation.
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