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self supporting power transmission tower
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 equipmentTypeStraight Pole ,Tensile Pole ,Turn PoleSuit forElectricity distributionShapeConoid ,Multi-pyramidal,Columniform,polygonal or conicalMaterialUsually 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 Voltage10 KV ~550 KVDesign Load in Kg300~ 1000 Kg appliced to 50cm from the to poleMarkingName plate through rivert or glue ,engrave ,emboss as per customer requirementSurface treatmentHot dip galvanized Following ASTM A 123, color polyester power ,painting or any other standard by client required.Joint of PolesSlip joint connection or flange connectionDesign of poleWe can design free of charge if Qty is numerous, client should supply the design parameter.StandardISO 9001:2008Length of per sectionWithin 14m once forming without slip jointWeldingSubmerged arc welding , internal and external double welding makes the welding seam beautiful in shapeWelding Standard :AWS ( American Welding Society ) D 1.1Thickness1 mm to 30 mmProduction ProcessRaw material test → Cutting→Molding or bending →Welding (longitudinal )→Dimension verify →Flange welding →Hole drilling →Calibration → Deburr→Galvanization or powder coating ,painting →Recalibration →Thread →PackagingPackagesOur 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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