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U25,U29,U36 Curved Steel Arch Roof For Mining Steel Beam Arch Support

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  • Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 03 Feb, 2026, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
  • Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
  • Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
  • Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.
1. What are the main applications of the U25, U29, U36 Curved Steel Arch Roof?

The U25, U29, U36 Curved Steel Arch Roof is primarily used for secondary support in mine laneways and for supporting mountain tunnels, providing stability and safety in mining operations.

2. What materials are used in the construction of the U-channel steel support arch?

The U-channel steel support arch is made from high-grade steel, specifically 20MnK or Q235, ensuring durability and strength.

3. What is the weight of the U-channel steel support arch?

The theoretical weight varies by specification: U25 weighs 24.95 kg/m, U29 weighs 29 kg/m, and U36 weighs 35.87 kg/m.

4. What lengths are available for the U-channel steel support arch?

The U-channel steel support arch is available in lengths of 8m, 9m, 10m, and 12m, allowing for flexibility in installation.

5. How does the U-channel steel support arch enhance mine safety?

The arch effectively reduces the risk of roof caving, thereby preventing accidents and enhancing the overall safety of mine ventilation systems.

6. What standards does the U-channel steel support arch meet?

The U-channel steel support arch complies with GB and QB standards, ensuring quality and reliability in mining applications.

7. Can the U-channel steel support arch be used in other applications outside mining?

While primarily designed for mining support, the U-channel steel arch can be adapted for other underground support applications, depending on specific requirements.

8. Is installation of the U-channel steel support arch complex?

Installation of the U-channel steel support arch should be conducted by trained professionals to ensure proper alignment and stability, but the design allows for relatively straightforward installation.

9. What are the advantages of using U-channel steel support over traditional timber supports?

U-channel steel supports offer greater durability, lower maintenance needs, and enhanced load-bearing capacity compared to traditional timber supports.

10. How does the U-channel shape contribute to its performance?

The U-shape design provides improved structural integrity and flexibility, allowing it to better absorb and distribute loads, which is crucial in mining environments.

11. Who is the manufacturer of the U-channel steel support arch?

The U-channel steel support arch is manufactured by Shandong China Coal Industrial Equipment Corp., Ltd.

12. What is the recommended maintenance for the U-channel steel support arch?

Regular inspections for signs of wear or corrosion are recommended, along with ensuring that the arch remains properly secured and aligned during use.

13. Are custom lengths available for the U-channel steel support arch?

Customization options for lengths may be available; it's best to consult with the manufacturer for specific needs.

14. What is the expected lifespan of the U-channel steel support arch?

The lifespan of the U-channel steel support arch can vary based on environmental conditions and maintenance, but it is designed for long-term use in demanding mining applications.

15. How can I order the U-channel steel support arch?

Orders can be placed directly with Shandong China Coal Industrial Equipment Corp., Ltd. through their sales channels, including online or by contacting their sales team.

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