






Description |
Detailed Specification and Major design Parameters |
Design Code |
ANSI/TIA222G, European Standard and others |
Design Loading |
1. Antenna load area as per specified by Clients worldwide. 2. Wind speed as per requested by the clients. 3. Deflection & Twist Angle, Exposure category, Topographic category as per specified by clients. |
Steel Grade |
1. High strength low alloy structural steel: Q420B which is equivalent with ASTM Gr60 2. High strength low alloy structural steels: Q355B which is equivalent with ASTM Gr50 or S355JR 3. Carbon Structural Steel: Q235B which is equivalent with ASTM A36 or S235JR |
Welding Method |
CO2 Shielded Arc Welding & Submerged Arc Welding(SAW) |
Welding Standard |
AWS D1.1 |
Surface Treatment |
1. Hot dip galvanization in accordance with Chinese standard GB/T 13912-2002 or American standard ASTM A123 2.Can be powder coated or painted according to clients' request |
Once Forming |
12m Once forming without joint |
Factory test |
Tensile test,Elements analysis, Sharpy test(impact test), Cold Bending, Preece test,Hammer test |
Joint |
Joint with insert mode, flange mode. |
Production Capacity |
70,000tons/year |































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