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Jiangsu milky way steel poles co.,ltd
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69kv hot dip galvanized electrical power pole for power transmission

Jiangsu milky way steel poles co.,ltd
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69kv hot dip galvanized electrical power pole for power transmission

Brand Name : Milky Way
Model Number : 69kv hot dip galvanized electrical power pole for power transmission
Certification : ISO/SGS/BV
Place of Origin : China
MOQ : one 40HQ
Price : negotiation
Payment Terms : T/T
Supply Ability : 300 pieces pole per day
Delivery Time : usually 2 weeks after confirming
Packaging Details : as per customer request
Type : straight pole, tensile pole,turn pole
Suit for : electricity distribution
Power : 10kv~550kv
Design Load in kg : 300~1000kg applicated to 50cm from the to pole
Wind speed : 160km/h, 30m/s
Design of pole : against earthquake of 8 grade
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Mechanical Property


The metal supports are designed to withstand the nominal force F and the pressure of the wind V applied at 0.25m from the top. Under these loads, the safety factor with respect to the elastic limit of the steel is larger than 1.8. The post also resists a torque equal to (F+V) ×1m. Tests shows the load intervened when breaking is around 2 times of design load.


Steel


The material is in accordance with NF EN 10025 standard and NF EN 10149 standard, it has the following property.

- Yield Strength=355 N/mm2

- Thoughness remains the same under 20 degrees below zero

- Galvanization is in accordance with NFA35503 standard class I



Maintenance


The hot dip galvanization treatment can increase the service life of the steel pole without the environmental pollution and no need for other daily maintenance. The following described types are specially designed for Africa Market which can meet the regulated height and load standard of France electricity power company.


Production


Our steel pole is bent to form to the polygonal (conical) section firstly. Then it is welded by the automatic submerged-arc. Then it is welded by the automatic submerged-arc welding machine.


Thirdly the top cap, strip and base plate will be welded to the pole. And finally other accessories (support brackets, ladder support, etc.) will be welded to the pole shaft.



Galvanization


The galvanization of the steel pole are under strict control. Galvanization is achieved by immersion in a molten zinc bath(450̊) after pre-treated (dipping).


Mechanical Property


The metal supports are designed to withstand the nominal force F and the pressure of the wind V applied at 0.25m from the top. Under these loads, the safety factor with respect to the elastic limit of the steel is larger than 1.8. The post also resists a torque equal to (F+V) ×1m. Tests shows the load intervened when breaking is around 2 times of design load.




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electric utility poles

      

steel utility poles

      
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