power transmission line electric pole power distribution pole
Specifications:
Height |
From 9 meter to 100 meter |
Suit for |
Electric Power Transmission and Distribution |
Shape |
Polygonal or Conical |
Material |
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 |
Power Capacity |
10kV to 220kV |
Tolerance of the dimension |
According to client’s requirement. |
Surface treatment |
Hot dip galvanized Following ASTM A 123, or any other standard by client required. |
Joint of Poles |
Slip joint, flanged connected |
Standard |
ISO 9001:2008 |
Length of per section |
Within 14 meter once forming |
Welding Standard |
AWS (American Welding Society ) D 1.1 |
Thickness |
1 mm to 36mm |
Production Process |
Raw material test → Cutting →bending →Welding (longitudinal ) →Dimension verify →Flange welding →Hole drilling →sample assemble → surface clean→ Galvanization or powder coating , painting →Recalibration →Packages |
Packages |
Packing with plastic paper or according to client’s request. |
Steel
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.
Galvanization
Standard:NFA91121
Average thickness of the galvanization:Not less than 86μm.
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.
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