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Help CenterAPI 5L Gr.B ERW Carbon Steel Pipe 12m 10 Inch NPS 10 Wall Thickness 6mm for Pipeline
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As a leading supplier from Hemaokang Steel (Shandong) Co., Ltd., we are proud to offer the API 5L Gr.B ERW Carbon Steel Pipe in 12m length, 10 inch NPS 10, with a wall thickness of 6mm. This pipe is specifically designed for high-pressure pipeline applications and meets the rigorous requirements of the oil and gas industry. Our company, established in 2025, has rapidly grown to an annual export value of US$50-100 million, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. With ISO9001 certification and a dedicated team of 51-100 employees, we ensure every pipe meets strict quality standards.
The API 5L Grade B ERW pipe is manufactured using Electric Resistance Welding (ERW) technology, which provides a uniform weld seam and excellent mechanical properties. Our 10-inch (NPS 10) pipe with 6mm wall thickness is ideal for transporting oil, gas, water, and other fluids under moderate to high pressure. The 12-meter standard length reduces the number of joints required, saving installation time and costs. Below we detail the key specifications and advantages.
Key Specifications
| Parameter | Value |
|---|---|
| Standard | API 5L Gr.B |
| Pipe Type | ERW (Electric Resistance Welded) |
| Outer Diameter | 273.1 mm (10 inch NPS 10) |
| Wall Thickness | 6 mm (0.236 inch) |
| Length | 12 meters (or custom lengths available) |
| End Finish | Plain End / Beveled End (optional) |
| Surface Treatment | Black painted, varnished, or oiled |
| Material Grade | Carbon Steel (Gr.B) |
| Minimum Yield Strength | 241 MPa |
| Minimum Tensile Strength | 414 MPa |
Product Features & Benefits
- High Strength & Durability: The API 5L Gr.B material ensures excellent mechanical properties, making the pipe suitable for demanding pipeline environments. The 6mm wall thickness provides robust resistance to internal pressure and external loads.
- ERW Manufacturing Advantage: Electric Resistance Welding produces a narrow, clean weld seam with high dimensional accuracy. This reduces the risk of weld defects and ensures consistent quality throughout the pipe length.
- Cost-Effective Length: The 12-meter standard length minimizes the number of butt welds required during installation, significantly reducing labor and welding costs. Custom lengths are also available upon request.
- Versatile Applications: Ideal for cross-country pipelines, gathering lines, water transmission, and structural applications. The 10-inch diameter is a common size for mid-stream oil and gas transportation.
- Corrosion Protection Options: We offer various surface treatments, including black painting, varnishing, or oiling, to protect against corrosion during storage and transport. Additional coatings like 3LPE or FBE can be provided as per project requirements.
- Strict Quality Control: Each pipe undergoes hydrostatic testing, ultrasonic inspection, and dimensional checks to ensure compliance with API 5L specifications. Our ISO9001-certified quality management system guarantees traceability and reliability.
Additionally, the pipe ends can be supplied plain or beveled (30° bevel with 1.6mm root face) to facilitate field welding. We also provide third-party inspection services (e.g., SGS, BV) upon request to ensure full compliance with international standards.
Our API 5L Gr.B ERW pipe is manufactured from high-quality hot-rolled coil, with precise control of chemical composition (C, Mn, Si, etc.) to meet the mechanical property requirements. The pipe is suitable for both onshore and offshore pipelines, with excellent weldability and toughness.
Why Choose Hemaokang Steel?
With an annual export value exceeding US$50 million, Hemaokang Steel has established a strong reputation in the global pipe market. Our location in Liaocheng, Shandong – a major steel production hub in China – allows us to source raw materials at competitive prices and deliver products efficiently. We serve diverse markets including North America, South America, Europe, Africa, Southeast Asia, and Oceania. Our team of 51-100 experienced professionals ensures prompt communication, on-time delivery, and after-sales support.
We are committed to providing high-quality API 5L Gr.B ERW pipes that meet your project specifications. Whether you need standard 12m lengths or customized options, we can accommodate your requirements. Contact us today for a quote or to discuss your pipeline needs. Let us be your reliable partner in steel pipe supply.
Frequently Asked Questions
-
What is the difference between API 5L Gr.B and other grades?
API 5L Gr.B is a standard grade for carbon steel line pipes. It offers a minimum yield strength of 241 MPa and tensile strength of 414 MPa, suitable for moderate pressure applications. Higher grades like X42, X52, etc., have higher strength. -
Is this pipe suitable for sour service?
Standard API 5L Gr.B pipe is not specifically designed for sour service (H2S environment). If you require sour service resistance, we can provide pipes with additional requirements (e.g., API 5L Gr.B with SSC test). Please specify your need. -
Can you supply pipe with 3LPE coating?
Yes, we can provide external 3-layer polyethylene (3LPE) coating or fusion bonded epoxy (FBE) coating as optional. Please contact us with your coating specification. -
What is the maximum length you can produce?
Standard length is 12m, but we can produce custom lengths up to 12.5m or as per your request. Longer lengths may require special logistics. -
Do you provide mill test certificates (MTC)?
Yes, each shipment includes a mill test certificate per EN 10204 3.1 or 3.2, confirming chemical and mechanical properties. -
What packing do you use for export?
Pipes are bundled with steel strips, with end caps for protection. For sea freight, we use waterproof wrapping or container loading as per order. -
What is your minimum order quantity (MOQ)?
MOQ is typically 20 tons for standard sizes. For smaller quantities, please inquire. -
How long does delivery take?
For standard size and quantity, production time is about 15-20 days after deposit. Shipping time depends on destination.
Ready to order? Contact our sales team at Hemaokang Steel for competitive pricing and fast delivery. We look forward to partnering with you.
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