10kv/60kv-electric Pole,Galvanized Steel Tower,Power Transmission Steel Pole
March 9, 20193 legged lattice mast triangular radio telecom communication tower
March 18, 2019
60m triangular galvanized Steel 3 leg lattice self supporting telecom bts signal antenna bracket isp 4g 5g mast tower
Product Description
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 |
Galvanizing |
14. Galvanization standard of steel sections |
ISO 1461 or ASTM A123 |
15. Galvanization standard of bolts and nuts |
ISO 1461 or ASTM A153 |