Power Transmission and Distribution Line Substation Steel Structure
1. The steel structure of substation is the main load supporting structure of substation, so its quality has direct relation with the safety and reliability of power grid operation.
2. We have 22 years' manufacturing experience as well as advanced equipment, excellent technical staff and mature technology, which will assure the welding quality of steel structures, the galvanization quality and the firmness.
3. The products have good appearance and are favored by experts in the industry.
4. Meanwhile, our company undertakes business of steel structures for garage and building, etc.
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TypeStraight Pole ,Tensile Pole ,Turn Pole
Suit for
Electricity distribution
Shape
Conoid ,Multi-pyramidal,Columniform,polygonal or conical
Material
Usually  Q345B/A572,minimum yield strength>=345n/mm2 as main material
             Q235B/A36,minimum yield strength>=235n/mm2- as auxiliary material.Q420B
Tolerance of dimension
+- 2%
Power Voltage
10 KV ~550 KV
Design Load in Kg
300~ 1000 Kg appliced to 50cm from the to pole
Marking
Name plate through rivert or glue ,engrave ,emboss as per customer requirement
Surface treatment
Hot dip galvanized Following ASTM A 123, color polyester power ,painting or any other standard by client required.
Joint of Poles
Slip joint connection or flange connection
Design of pole
We can design free of charge if Qty is numerous, client should supply the design parameter.
Standard
ISO 9001:2008
Length of per section
Within 14m once forming without slip joint
Welding
Submerged arc welding , internal and external double welding makes the welding seam beautiful in shape
Welding Standard :AWS ( American Welding Society ) D 1.1
Thickness
1 mm to 30 mm
Production Process
Raw material test → Cutting→Molding or bending →Welding (longitudinal )→Dimension verify →Flange welding →Hole drilling →Calibration → Deburr→Galvanization or powder coating ,painting →Recalibration →Thread →Packaging
Packages
Our poles as normal cover by Mat or straw bale at the top and bottom ,anyway also can following by client required , each 40HC or OT can loading how many pcs will calculation base on the client actually specification and data.
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