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MEGATRO roof top tower also belong to telecom tower, which designed to support telecom accessories with antennas for telecommunications and broadcasting, including television. But this tower is located in roof of every construction building.
Roof top towers also fabricated by solid steel pipe with angle or bracing members, which provides great strength, low weight and wind resistance, and economy in the use of materials, lattices of triangular cross-section are most common, and square lattices are also widely used.
After fabrication all towers are delivered to the galvanizing facility to be Hot Dip Galvanized. Towers are processed through the facility by Caustic Cleaning, Pickling, and then Fluxing. These strict procedures insure years of maintenance free towers.
MEGATRO's roof top tower systems can accommodate a variety of disc with network parts. MEGATRO also offers a wide variety of accessories and mounts.
Availability size: Based on the customer’s requirements.
Material: Chinese material or as per clients requirement
Package: both parties discuss before delivery
Terms of Payment: L/C, T/T
Minimum Order Quantity: 50tons
Port of Loading: Qingdao Port
Lead Time: one month or based on the customer’s needs
Performance Standard
Besides conform to the drawing and design, the materials and fabrication of tower components shall conform to the following standards (Chinese Standard or foreign standard):
|
No |
Code |
DESCRIPTION |
|
1 |
GB/T2694-2003 |
Transmission line tower - - Technical requirements for manufacturing
|
|
2 |
JGJ81-2002 |
Technical specification for welding for steel structure of building
|
|
3 |
GB9787-88 |
Measuring and allowable tolerance for hot-rolled equal angle
|
|
4 |
GB709-88 |
Measuring and allowable tolerance for hot-rolled plate and strip
|
|
5 |
GB/T699-1999 |
Quality Carbon Structural Steel |
|
6 |
GB/T1591-1994 |
Low alloy high strength structural Steel |
|
7 |
GB700-88 |
Carbon Structural Steel |
|
8 |
GB222-84 |
Method of sampling steel for determination of chemical composition and permissible variations
|
|
9 |
GB/T228-2002 |
Method for Tensile testing of metals |
|
10 |
GB/T232-1999 |
Method for Bending test of metals |
|
11 |
GB/T5117-1995 |
Carbon Welding Rod |
|
12 |
GB/T5118-1995 |
Low Alloy Welding Rod |
|
13 |
GB/T8110-1995 |
Welding wires for gas shielding arc welding of carbon and low alloy steels |
|
14 |
GB/T10045-2001 |
Carbon steel flux cored electrodes for arc welding
|
|
15 |
JB/T7949-1999 |
Weld outer dimensions for steel construction
|
|
16 |
GB50205-2001 |
Test Standard for Acceptance of Steel Structure |
|
17 |
GB/T470-1997 |
Zinc Ingot |
|
18 |
GB3098.1-2000 |
Mechanical properties of fasteners-Part 1:Bolts, screws and studs |
|
19 |
GB3098.2-2000 |
Mechanical properties of fasteners-Part2: Nuts, and thread |
|
20 |
GB3098.3-2000 |
Mechanical properties of fasteners-Part3: Fastening screw
|
|
21 |
GB/T5780-2000 |
Helical Bolts Grade C |
|
22 |
GB/T41-2000 |
Helical Nuts Grade C |
|
23 |
GB/T90-2002 |
Flat Washer Grade C |
|
24 |
GB/T13912-2002 |
Metal Coating, Technical Requirement and Test Method for Hot-dip galvanized Metal Parts
|
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