Xinhang Tower Technology Co.,Ltd

Fire watch tower



Technical Data

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
Capacity
18. Maximum Production Capacity 50,000 TON per annum

Our company is a professional steel tower manufacturer with ISO certificates based in China..
Supported by the team of professional engineers,technicians,skill workers,we are dedicated to providing our global customers with high quality telecom towers .

The detailed information is specified in the following table.We sincerely look forward to cooperating with you.







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