Product Name |
220kv double circuit transmission line tower |
Hot roll steel Q235,Q345,Q355,Q420,Q460 Normally Q235B, Minimum Yield Strength ≥ 235 N/mm² Q345B, Minimum Yield Strength ≥ 345 N/mm² Q355B, Minimum Yield Strength ≥ 355 N/mm² Q420B, Minimum Yield Strength ≥ 420 N/mm² Q460B, Minimum Yield Strength ≥ 460 N/mm² |
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**High strength low alloy structural steel: Q420B which is equivalent with ASTM Gr60 **High strength low alloy structural steels:Q355B which is equivalent with ASTM Gr50 or S355JR
**Carbon Structural Steel: Q235B which is equivalent with ASTM A36 or S235JR |
|
Voltage Grade |
10KV35KV,66KV,110KV,132KV,220KV,400KV,500KV |
Tower Type |
4 Leg Self supported Angular Towers |
Wind speed |
40m/s (Force 13) |
Galvanized Thickness |
Average layer thickness 85um |
Painting |
Customized |
Surface treatment |
Hot dip galvanized Following ASTM A 123, or any other standard by client required. |
Design Code |
1. Chinese National Standard: a. DL/T 5154-2002 Technical Regulation of Design For Tower and Pole Structuresof Overhead Transmission Line b. DL/T 5219-2005 Technical Regulation for Designing Foundation of Overhead Transmission Line 2.American Standard: a. ASCE 10-97-2000 Design of Latticed Steel Transmission Structuresb. ACl 318-02 Building Code Requirement for Structure Concrete |
Design Loading |
As per requirement and specification by Clients worldwide. |
Load test/destructivetest |
We can arrange it by Government authority if it is necessary and the cost of such kind of test is separately from the tower |
Hot-dip galvanization |
ISO 1461-2009, ASTM A123 |
Packages |
Packing with plastic paper or according to client’s request. |
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