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Electric Power Transmission Line Tower :1. Category:O TRANSMISSION ANGLE TOWERSO STEEL PIPE COMBINATION TOWERSO STEEL TUBE POLESO SUBSTATION STRUCTURESO ALL KINDS OF CUSTOMIZED STEEL TOWERS2.Certificate :ISO 9001,ISO14001, OHSAS 180013.Production equipmentType Straight Pole ,Tensile Pole ,Turn PoleSuit for Electricity distributionShape Conoid ,Multi-pyramidal,Columniform,polygonal or conicalMaterial Usually Q345B/A572,minimum yield strength>=345n/mm2 as main material Q235B/A36,minimum yield strength>=235n/mm2- as auxiliary material.Q420BTolerance of dimension +- 2%Power Voltage 10 KV ~550 KVDesign Load in Kg 300~ 1000 Kg appliced to 50cm from the to poleMarking Name plate through rivert or glue ,engrave ,emboss as per customer requirementSurface 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 connectionDesign of pole We can design free of charge if Qty is numerous, client should supply the design parameter.Standard ISO 9001:2008Length of per section Within 14m once forming without slip jointWelding Submerged arc welding , internal and external double welding makes the welding seam beautiful in shapeWelding Standard :AWS ( American Welding Society ) D 1.1Thickness 1 mm to 30 mmProduction 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 →PackagingPackages 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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