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Item NO.:
AT-G20Order(MOQ):
10Goods Stock:
10Payment:
T/T, L/C, D/PProduct Origin:
Shandong, ChinaColor:
As per CustomizationShipping Port:
Qingdao, ChinaLead Time：
3,000 MT/ MonthObservation towers are valuable structures that enhance the ability to view and appreciate the surrounding environment. Whether for recreational, educational, or security purposes, they play a significant role in connecting people with nature and improving community engagement.
1. key Details:
Place of Origin: Shandong, China (Mainland)
Brand Name: Altai Tower or OEM
Model Number: AT-G20
Surface treatment: Hot Dip Galvanizied or painted.
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2.Packaging & Delivery:
Packaging Details: Telecom tower will be bundled by Galvanized strapping as per client's requirements.
Deliver: Shipped in 30 days after payment from Qingdao / designated port.
Tower members: One steel tower is separated into several bundles.
Bolts: Packing material is robust nylon bag or steel drum.
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3. Technical Data
| 1. Design Code | ALT/291/ASC-AC | |
| Structure Steel | ||
| 2. Grade | Mild Steel | High Tensil Steel |
| GB/T 700:Q235B, Q235C,Q235D | GB/T1591:Q345B, Q345C,Q3455D | |
| ASTM A36 | ASTM A572 Gr50 | |
| EN10025: S235JR, S235J0,S235J2 | EN10025: S355JR, S355J0,S355J2 | |
| 3. Design Wind Speed | Max. 250 km/h | |
| 4. Allowable deflection | 0.5 ~1.0 degree at 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 or Laser Engraving | |
| 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 | 3,000 Metric Ton per Month | |
Packaging Detail:
With standard sea-worthy packaging or as per requirements.
Hot-dip Galvanization:
The galvanizing workshop we have invested in is equipped with equipment imported from Italy and is galvanized in strict accordance with the American ASTM A123 standard.
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Qingdao Altai Tower Co., Ltd
Qingdao Altai tower Co., Ltd. is a professional manufacturer of telecommunication tower, power tower and tower accessories, and has passed ISO, CE and other international authoritative certification, we have 23 international patents. We are committed to providing customers with the best telecommunication towers and the most professional telecommunication equipment optimization solutions. Many of our products have been exported to more than 100 different countries and regions, such as the United States, Middle East countries, Europe and so on, and have achieved very good market reputation in the local market.
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IPv6 network supported