20M 30M Monopole OEM ODM Customizable Telecommunication Tower Full Height Material Design Service
JIAYAO CO.,LTD
Product Description
1.key Details:
Place of Origin: Hebei, China (Mainland) ; Brand Name: Jaoyao or OEM ; Model Number: Telecom Tower
Surface treatment: Hot Dip Galvanizied or painted.
2.Packaging & Delivery:
Packaging Details: Telecom tower will be bundled by Galvanized strapping as per client's requirements.
Deliver:Shipped in 20 days after payment from Tianjin port
Tower members: One steel tower is separated into several bundles.
Bolts: Packing material is robust nylon bag or steel drum.
3. Technical Data
| Design |
| 1. Design Code |
ANSI/TIA-222-G/H/F, EN 1991-1-4 & EN 1993-3-1 |
| Structure Steel |
| 2. Grade |
Mild Steel |
High Tensile Steel |
| GB/T 700:Q235B, Q235C,Q235D |
GB/T1591:Q355B, Q355C,Q355D |
| ASTM A36 |
ASTM A572 Gr50 |
| EN10025: S235JR, S235J0,S235J2 |
EN10025: S355JR, S355J0,S355J2 |
| 3. Design Wind Speed |
Up to 250 km/h |
| 4. Allowable deflection |
0.5 ~1.0 degree @ operational speed |
| 5. Tension strength (Mpa) |
360~510 |
470~630 |
| 6. Yield strength (t≤16mm) (Mpa) |
355 |
235 |
| 7. Elongation (%) |
20 |
24 |
| 8. Impact strength KV (J) |
27(20°C)---Q235B(S235JR) |
27(20°C)---Q345B(S355JR) |
| 27(0°C)---Q235C(S235J0) |
27(0°C)---Q345C(S355J0) |
| 27(-20°C)---Q235D(S235J2) |
27(-20°C)---Q345D(S355J2) |
| Bolts & Nuts |
| 9. Grade |
Grade 4.8, 6.8, 8.8 |
| 10. Standards for mechanical properties |
| 10.1 Bolts |
ISO 898-1 |
| 10.2 Nuts |
ISO 898-2 |
| 10.3 Washers |
ISO 6507-1 |
| 11. Standards for Dimensions |
| 11.1 Bolts |
DIN7990, DIN931, DIN933 |
| 11.2 Nuts |
ISO4032, ISO4034 |
| 11.3 Washers |
DIN7989, DIN127B, ISO7091 |
| Welding |
| 12. Method |
CO2 Shielded Arc Welding & Submerged Arc Welding(SAW) |
| 13. Standard |
AWS D1.1 |
| Marking |
| 14. Method of marking of the members |
Hydraulic Press Stamping |
| Galvanizing |
| 15. Galvanization standard of steel sections |
ISO 1461 or ASTM A123 |
| 16. Galvanization standard of bolts and nuts |
ISO 1461 or ASTM A153 |
| Test |
| 17. Factory test |
Tensile test,Elements analysis, Sharpy test(impact test), Cold Bending,
Preece test,Hammer test |
| Capacity |
| 18. Maximum Production Capacity |
50,000 TON per annum |
⇔What is the main body of monopole tower?
The main body of a monopole tower is a single, self-supporting solid/semi-solid shaft that forms the core load-bearing structure of the tower, tailored for urban use. It is typically fabricated from high-strength rolled steel plates (Q345B/ASTM A500 Grade B) and features a cylindrical or welded polygonal shape (diameters 0.5–2m, scaled by tower height) with a tapered design (slightly narrower at the top) to optimize wind load resistance (up to 180km/h). Its height ranges from 10m to 60m (customizable for 5G microstations or urban communication hubs), and it serves as the foundational frame for integrating all auxiliary components of the monopole tower.
⇔What is the Bottom Flange, Ladder and Platform of monopole tower?
1.Bottom Flange: It is a heavy-duty steel component welded to the base of the monopole’s main shaft, acting as the critical connection between the tower body and the concrete foundation. Made of high-strength steel (matching the main body) and treated with anti-corrosion processes, it aligns with the foundation’s anchor bolts to secure the tower vertically and transfer the entire structural and equipment loads to the ground, ensuring the tower’s overall stability.
2.Ladder: It is a built-in internal climbing ladder integrated into the monopole’s main shaft, constructed from corrosion-resistant galvanized steel and equipped with a professional fall-arrest system. Exclusively for certified maintenance personnel, it provides a safe vertical access path for tower inspection, equipment installation and repair, and its integrity is a key focus of regular tower maintenance.
3.Platform: The monopole tower is equipped with compact, integrated steel platforms (customized per project needs) mounted on the main shaft at designated heights. Fabricated from galvanized steel for durability, these platforms serve as stable workspaces for installing, maintaining and inspecting telecom equipment (e.g., 5G antennas, microwave devices) and surveillance gear. Designed to fit the monopole’s ultra-compact footprint, they maximize operational convenience without compromising the tower’s sleek, unobtrusive urban design.
⇔What is the main body of monopole tower after Hot Dip Galvanized?
After hot dip galvanization, the main body of the monopole tower remains the core single cylindrical/polygonal steel shaft (fabricated from high-strength rolled steel plates Q345B/ASTM A500 Grade B) with a tapered design, and its structural shape, dimensions and load-bearing performance are fully preserved. The key change is that its entire steel surface is covered with a uniform, dense zinc coating in compliance with the ASTM A123 standard. This galvanized layer forms a corrosion-resistant barrier that effectively protects the steel substrate from urban pollutants, moisture and outdoor environmental erosion, extending the main body’s service life to more than 25 years. The galvanized main body also maintains the structural rigidity of the original steel shaft, and all welded joints (AWS D1.1-compliant) are equally galvanized to ensure consistent anti-corrosion performance and overall structural integrity of the tower body.
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