220KV Dodecagonal 20M 12KN Steel Electric Power Poles with Cross Arm

Specification:

Descripition of material:

The material is in accordance with NF EN 10025
Standard and NF EN 10149 Standard,it has the following property.
- Yield Strength=355N/mm2
- Toughness remains the same under 20 degrees below zero.
- Galvanization is in accordance with NFA35503 Standard Class 1.

Normally Q345B/A572, Minimum Yield Strength ≥ 345 N/mm²
Q235B/A36, Minimum Yield Strength ≥ 235 N/mm²
As well as Hot rolled coil from ASTM A572 GR65, GR50, SS400

Welding:

Advanced submerge-arc welding and CNC welding equipment. It has past flaw testing, internal and external double welding makes the welding beautiful in shape. It confirms with the international welding standard of CWB and AWS D 1.1

Galvanization
Standard:NFA91121
Average thickness of the galvanization:Not less than 86μm.

Manufacture Tolerance
- Component Length:-25mm to 75mm
- Straightness:2mm/m
- Twisting degree:1°per 3 meters length
- Ovalisation:Maximum is 3%
- The average diameter:+/-0.5%
- Slip length:+/-150mm

Installation
- Remove all the equipment on the pole during Assembly.
- Circle a sling around th epole shaft of each section.
- Fix the sling on top section to one pulley block.
- The sling on the bottom section is tightly fixed and fixed at the center of gravity.
- Make the steel pole vertical by tighten the sling of the top section.
- Fix the steel pole.
- Remove the sling.

More pictures:

Estbilsed  in 1989,Jiangsu Milky Way Steel Poles is located in Wuxi,East of China ,near one of the largest sea port of China ,Shanghai,Port .

Our Products have been widely used in the power transmsion ,signal transmission and ligting for street ,road ,square ,palaestra.and so on

We have plenty of export experience . Since our first overseas order from Pakstan  in  1991 of 132 KV transmission poels ,our products have been deliveried  to more than 70 contries and areas ,including America,Australia ,Russia  ,Genmery ,Span,Philippines ,Malaysia and so on

To assure our products qualified ,we take steps as follows :

1. Management  team : We have employ the foreign export  to take chaege of the overall managemnt ,especailly the technical managemnt and quality management .

2. Introducing ISO management ,We are awared ISO 9001:2008 certificate . .

3. Lofting and design software :We have  transmisson power pole design software which can help us design all kinds of steel pole  ,at the same time ,the TMA and LMA are adopted by us to provide the design the drawing accuratly .

4. QC Inpection:It is our company policy that all the finish product should be inspected by our specialzed QC in every manufacure steps and beofore every shipment .

We are always persisting in horzontal cooperation with domestic senior project institute and technical colleges .The enterprise also has an highly qualified team working at R&D ,manufacure ,QC ,aftersales service and other important positions .