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ZZ STEEL ZZ STEELPOWER INFRASTRUCTURE

220kV Transmission Poles

Engineered for Extreme Strength. Built for the Future.

Our 220kV transmission poles are engineered and manufactured to deliver exceptional performance, reliability and safety for high voltage power transmission.

High StrengthCorrosion ProtectionGlobal StandardsProject Delivery

Product Overview

Our 220kV transmission poles are engineered and manufactured to deliver exceptional performance, reliability and safety for high voltage power transmission.

DesignProject-specific engineering
MaterialQ235B / Q355B / Q420B
ProtectionHot-dip galvanized
StandardsIEC / ASTM / EN / GB

Key Features

High Strength & Stability

Strong structure ensures reliable operation.

Corrosion Resistance

Advanced protection for long service life.

Easy & Fast Installation

Optimized design for efficient installation.

Long Service Life

Durable structure provides extended service life.

Compliant with International Standards

Designed according to global standards.

APPLICATIONS

High Voltage Power Transmission

Rural & Urban Power Grids Industrial Power Plants & Facilities

Renewable Energy Projects

Railway & Infrastructure Projects Crossing Rivers, Valleys & Terrain Crossing Rivers, Valleys & Complex Terrain

POLE TYPES

Single Circuit Tangent Pole

Angle Pole

Dead End Pole

Double Circuit Tangent Pole

TECHNICAL SPECIFICATIONS

Item Specification
Voltage Level 220kV
Height 25m - 55m (Customized)
Design Standard IEC 60826, ASTM A123, GB/T 2694
Steel Material Q355B / Q420B High Strength Steel
Wind Load Up to 50m/s
Surface Treatment Hot-dip Galvanized (≥85μm)
Joint Type Flange Connection / Slip Joint
Service Life More than 30 years

POLE STRUCTURE

Main Components:
Crossarm
Insulator
Conductor
Steel Pole Body
Flange Connection
Base Plate
Anchor Bolts

PROJECT CASES

Representative structures for international power infrastructure projects.

PROJECT CASES 1Project reference 01
PROJECT CASES 2Project reference 02
PROJECT CASES 3Project reference 03
PROJECT CASES 4Project reference 04

Manufacturing Process

Controlled production from certified raw material to export-ready delivery.

01Raw Material InspectionDocumented process control
02CuttingDocumented process control
03WeldingDocumented process control
04GalvanizingDocumented process control
05Quality InspectionDocumented process control

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