11m 7.2mm 3.8mm 69kv Steel Tubular Pole For Transmission Line

1.Top diameter:80-200mm

2.Bottom diameter:200-400mm

3.Thickness:4mm 5mm

4.Material:Low alloy steel,yield strength not less than 345mpa(GB/T1591-2008standard)

C≤0.20,Mn≤1.70,Si≤0.50,P≤0.50,S≤0.0345

5.Marks:Nane plate through rivert or glue ,engrave ,emboss as per customer requirement

6.Welding :We has past flaw testing.Internal and external double welding makes the welding beautiful in shape
Welding Standard :AWS ( American Welding Society ) D 1.1

Penetration :100%

Advantage

Excellent performance:

Because of the long and thin shape,closed polygonal section and apply of high strength steel material,these steel poles have excellent durability.they can withstand the extreme condition,such as the frost climate,unbalanced loads, or breaking of wire.

Installation

The designing weight of the steel poles are usually relatively light ,and is good for the operation,transportation,assemble and installation.

Environment

Since the long and thin straight line shape.the steel pole from Milkyway Steel Poles are easily intergrated into the landscape.At the protected areas(mountains),the installation of steel pole will not influence the aesthetic solution of the scenic spot.

Maintenance

The hot dip galvanization trearment can increase the service life of the steel polewithout the environmental pollution and no need for other daily maintance.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 bend to form to the polygonal(conical) section firstly.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(450°) after pre-treated(dipping)

Installation

1.Remove all the equipment on the pole during Assembly.
2.Circle a sling around th epole shaft of each section.
3.Fix the sling on top section to one pulley block.
4.The sling on the bottom section is tightly fixed and fixed at the center of gravity.
5.Make the steel pole vertical by tighten the sling of the top section.
6Fix the steel pole.
7.Remove the sling.

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