30 Ft Free Standing Tv Radar Internet 4 Legged Self Supporting Angular Lattice Steel Four Leg Communication Tower
| Design | |||
| 1. Design Code | TIA/EIA-222-G/F | ||
| Structure Steel | |||
| 2. Grade | Mild Steel | High Tensile 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 | 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 |
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What is the lattcie structure of 4 legged angular steel tower?
How to mount the MW dish on the 4 legged angular steel tower?
What is the main structure of 4 legged angular steel tower?
The technical parameters meet the following regulations: design wind speed: 30M/S (different regions)
Ice: 5mm-7mm (varies by region)
Seismic intensity: 8°
Suitable temperature: -35°C∽45°C
Vertical deviation: <1/1000
Ground resistance: ≤10Ω
Communication tower anti-corrosion treatment:
hot-dip galvanized anti-corrosion treatment of tower steel components. Guaranteed 50 years without rust.
The main function of the communication tower:
support signal transmission and support the signal transmission antenna.
Material origin: Baosteel / Shougang / Handan Iron and Steel / Tangshan Iron and Steel and so on.
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