3 ноги Wifi 5G сетевая решетка угловая сталь горячеоцинкованная телекоммуникационная
- Категории: Telecommunication Towers & Accessories >>>
- Поставщик: Jiayao,Co.,Ltd.
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45m telecommunications communication cell phone 5g telecom steel bts tower
Products 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,S355 | |||
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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Company Information
We specialize in designing and manufacturer of angle steel tower, tube steel tower, monopole tower, pine tree tower, guyed tower and guard tower. Our departments include design, R&D, inspection, laboratory, QC, galvanization and steel towerdepartments. Our raw materials come from famous steel mills in China: HBIS Group, Baowu Steel Group, Shougang Group.
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