Offshore Wind Turbines

Structural Circular Hollow Sections for Onshore and Offshore Wind Turbines

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As the demand for renewable energy continues to rise globally, offshore wind power has emerged as a vital solution. This article delves into the significance of structural circular hollow sections (CHS) used in the supporting structures of offshore wind turbines, exploring their design, material properties, and applications.

1. Understanding Structural Circular Hollow Sections

Structural circular hollow sections are cylindrical tubes with a hollow center. These sections play a crucial role in the support structures of offshore wind turbines, which are primarily designed to bear the turbine’s weight and withstand external environmental pressures.

2. Material Properties of Structural Circular Hollow Sections

Carbon Steel: S355MH, S355MLH, S420MH, S420MLH, S460MH, S460MLH, S460QH, S460QLH, S620QH, S620QLH, S690QH, S690QLH

3. Design Considerations

When designing supporting structures for offshore wind turbines, several factors must be considered:
Wind Load: Turbines experience dynamic loads from wind during operation, necessitating a design that ensures structural stability.
Wave Impact: The waves in marine environments exert additional pressure on structures, requiring careful calculation and design adjustments.
Corrosion Protection: Given the corrosive nature of seawater, using protective coatings or corrosion-resistant materials is essential for prolonging the structure’s lifespan.

4. Advantages of Using Circular Hollow Sections

Employing circular hollow sections in support structures offers several benefits:
High Compressive Strength: The circular cross-section allows for even pressure distribution, enhancing overall stability.
Lightweight: Compared to other shapes, circular tubes provide similar strength with reduced weight, facilitating transportation and installation.
Ease of Construction: The simplicity of connecting and welding circular tubes increases construction efficiency.

5. Frequently Asked Questions

Q: What material should be chosen for structural circular hollow sections?
A: The choice of material depends on specific environmental conditions, budget, and design requirements. Carbon steel is suitable for most applications, but in highly corrosive environments, stainless steel or alloy steel may be more appropriate.

Q: How can the durability of structural circular hollow sections be ensured?
A: Regular inspections and maintenance are vital to ensuring durability. Additionally, selecting appropriate protective coatings and materials can significantly extend the lifespan of the structures.

6. Conclusion

Structural circular hollow sections are indispensable in the supporting structures of offshore wind turbines. Through careful design and material selection, wind turbines can be enhanced in stability and durability, thereby advancing renewable energy development.

For further inquiries or assistance regarding structural hollow sections for onshore and offshore wind turbine structures, feel free to reach out at [email protected].

3LPE Coated Line Pipes

Successfully Delivered a Batch of Submarine Pipeline Orders for Transporting Gasoline

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After a month of intense efforts, our company successfully delivered the subsea oil and gas pipeline order. The successful delivery of this order proved the dedication and expertise of our sales and production teams, despite the harsh meteorological conditions, such as typhoons, encountered during the transport. The order involves the construction of a high-quality and high-standard submarine pipeline project, and the goods will be used in constructing submarine pipelines for oil terminals to connect oil tankers and on-shore storage tanks, aiming at safely transporting oil and gas under the sea.

The specifications of the order are as follows:

  • Outer coating: three-layer polyethylene coating
  • Coating thickness: 2.7mm
  • Coating standard: DIN 30670-2012 N-v
  • Base pipe standard and material: API Spec 5L Grade B
  • Base pipe type: Seamless
  • Size: NPS 6″ & 8″ x SCH40 x 11.8M
  • Other items: NPS 6″ & 8″ x SCH40 SORF and WNRF flanges, 90° 5D elbows, 90° long radius elbows, bolts and nuts.
3LPE Coated API 5L Gr.B Line Pipes, 90° Pipe Bends, 90° LR Elbows, SO, BL, WN Flanges,Bolt & Nuts

3LPE Coated API 5L Gr.B Line Pipes, 90° Pipe Bends, 90° LR Elbows, SORF, WNRF Flanges, Bolt & Nuts

We produce the pipes according to API Spec 5L, the anti-corrosion coating according to DIN 30670-2012, the 90° 5D elbows according to ASME B16.49, ISO 15590-1, EN 14870-1, the 90° long radius elbows according to ASME B16.9, and the flanges according to ASME B16.5 to ensure the pipework met the highest safety and performance standards.

Everything is full of uncertainties and interludes, and a happy ending is the ultimate quest. We are proud of our team’s hard work and dedication and look forward to continuing to push the boundaries of the energy infrastructure sector and new pipeline projects.

If you have RFQs about a subsea pipeline project or require high-quality 3LPE/3LPP/FBE/LE anti-corrosion pipelines, please feel free to contact us at [email protected], where our team will provide you with reliable solutions and one-stop services.