Ningbo Suntech Power Machinery Tools Co.,Ltd.
Ningbo Suntech Power Machinery Tools Co., Ltd. Professional Manufacturer and Exporter of Electric Power Field
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Three Tube Utility Service 138 Kv Telescopic Antenna Mast Communication Steel Tower
Product Application
Communication tower consists of tower body, platform, lightning rod, ladder, antenna support and
other steel components, and by hot galvanized anti-corrosion treatment, mainly for microwave,
ultrashort wave, wireless network signal transmission and transmission.
Specifications of galvanized telescopic antenna mast:
| Steel | Yield Strength(MPa) | standard | Standard Title | Metallic element | Content |
| main ingredient Q345 | 345 for Thickness<=16 | GB/T 1591-2008 (ASTM A572/A572M-15 ,EN10025 S355N) | High strength low alloy structural steels | C | ≤0.20 |
| Mn | ≤1.70 | ||||
| Si | ≤0.50 | ||||
| Accessories Q235 | 235 | GB/T 700-2006 (ASTM A283 Gr.B ,EN10025 S235JR) | Carbon structural steels | ||
| P | ≤0.035 | ||||
| S | ≤0.035 |
| Welding | Standard | Standard Title |
| Pole shafts&multi-sided tubular Cross arms&all accessories | AWS D1.1/D1.1M:2010 | Structural Welding Code-Steel |
| Welding wire | AWS D1.1/D1.1M:2010 | Structural Welding Code-Steel |
| Hot dip galvanizing | Standard | Steel thickness/mm | Mean coating thickness/μm | Metallic element | Content |
| Pole shafts,cross arms&bolted on accessories | ASTM A123/A123M-15 AS/NZS 4680 | >6 | 85 | Mn
| 0.25%-0.40%
|
| <3-6 | 70 | ||||
| 1.5-3 | 55 | Cu
| <0.15%
| ||
| <1.5 | 55 | ||||
| Bolts,nuts&washers | GB/T 5267.3-2008 (ISO 10684-2004) | _____ | ≥ 54 | P | <0.025%
|
| Foundation bolts | ASTM A153/A153M-09 | _____ | ≥ 54 | S
| <0.03% |
