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Help CenterLow Carbon Steel Coil For Oil And Gas Pipeline API 5L Grade B 6mm-12mm Thickness
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As a leading manufacturer from Hemaokang Steel (Shandong) Co., Ltd., we are proud to present our Low Carbon Steel Coil for Oil and Gas Pipeline API 5L Grade B 6mm-12mm Thickness. This product is engineered to meet the rigorous demands of the energy sector, ensuring reliable performance in high-pressure pipeline systems. Our coils are produced with strict quality control, backed by our ISO9001 certification, and are trusted by clients across North America, South America, Europe, and Asia. With an annual export value exceeding US$50 million, we deliver consistent quality and competitive pricing to global markets.
The API 5L Grade B specification ensures that these low carbon steel coils possess excellent weldability, toughness, and strength for oil and gas transmission pipelines. The thickness range of 6mm to 12mm makes them ideal for both line pipe and structural applications. Our coils are manufactured using advanced hot-rolling processes, resulting in uniform mechanical properties and a smooth surface finish.
Key Features & Technical Specifications
- Grade: API 5L Grade B – offering a minimum yield strength of 245 MPa and tensile strength of 415 MPa.
- Thickness Range: 6mm to 12mm (customizable within this range).
- Width: Typically 1000mm to 2000mm, with custom widths available upon request.
- Chemical Composition: Low carbon content (≤0.26% C) ensures excellent weldability and formability.
- Surface Finish: As-rolled, pickled and oiled, or as per customer specifications.
- Edge Condition: Mill edge or slit edge, depending on application requirements.
- Coil Weight: Up to 25 tons per coil, with customizable inner diameter (508mm/610mm/762mm).
- Testing: Hydrostatic test, bend test, flattening test, and ultrasonic inspection available.
Mechanical Properties (Typical Values)
| Property | Value |
| Yield Strength (min) | 245 MPa |
| Tensile Strength (min) | 415 MPa |
| Elongation (min) | 22% (in 2 inches) |
| Carbon Equivalent (CEQ) | ≤0.42% (typical) |
Advantages & Customer Benefits
- Superior Weldability: Low carbon content reduces the risk of cracking during welding, saving time and cost in fabrication.
- Cost-Effective: Our direct mill pricing and efficient production ensure competitive rates without compromising quality.
- Versatile Applications: Suitable for oil and gas pipelines, water transmission, structural supports, and piling.
- Customizable Dimensions: We offer flexible width, thickness, and coil weight options to meet your specific project needs.
- Consistent Quality: Every coil undergoes rigorous testing to comply with API 5L and ISO9001 standards, ensuring reliable performance.
- Global Logistics: With experience exporting to over 10 regions, we ensure timely delivery and professional packaging.
Our Low Carbon Steel Coil is manufactured in accordance with the latest API 5L specification (PSL1). The material is ideal for both onshore and offshore pipeline projects, offering excellent resistance to brittle fracture in low-temperature environments. We also provide optional third-party inspection services (e.g., SGS, BV) upon request to guarantee full compliance.
Trusted by Global Clients
Hemaokang Steel (Shandong) Co., Ltd. was established in 2025 with a strong focus on the energy sector. Our team of 51-100 skilled professionals operates a modern facility in Liaocheng, Shandong, China. With an annual export value of US$50 million to US$100 million, we have successfully supplied steel coils to customers in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and Western Europe. Our ISO9001 certification reflects our commitment to quality management. We invite you to experience reliable supply and professional service – contact us today for a quote or sample.
Frequently Asked Questions (FAQ)
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Q: What is the minimum order quantity (MOQ) for this product?
A: Our standard MOQ is 25 tons per size, but we can accommodate smaller trial orders for new customers. Please contact us for details. -
Q: Can you provide third-party inspection certificates?
A: Yes, we can arrange inspection by SGS, BV, or other accredited agencies at an additional cost. We also provide our own mill test certificates. -
Q: What is the typical lead time?
A: For standard sizes, lead time is 15-20 days after receiving deposit. For custom specifications, please allow 25-30 days. -
Q: Is the coil suitable for sour service (H2S environment)?
A: This API 5L Grade B coil is primarily designed for standard sweet service. For sour service, we recommend our API 5L Grade B with additional NACE MR0175 compliance (available upon request). -
Q: Do you offer custom width and thickness within the 6-12mm range?
A: Yes, we can produce custom thicknesses and widths. Please provide your exact requirements, and we will confirm feasibility. -
Q: What packaging do you use for export?
A: Each coil is securely bundled with steel strapping, wrapped in waterproof paper, and protected with wooden or steel edge protectors. For sea freight, we use container or break-bulk shipping as per your preference. -
Q: Can you supply coils with a pickled and oiled surface?
A: Yes, pickled and oiled finish is available. Please specify your surface treatment requirement when placing an order. -
Q: What payment terms do you accept?
A: We accept T/T (30% deposit, 70% before shipment) and L/C at sight. Other terms may be negotiable for long-term partners.
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