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ZZ STEEL ZZ STEELPOWER INFRASTRUCTURE

Bus Support Structures

ENGINEERED FOR STRENGTH. BUILT FOR LONG-TERM SERVICE.

Breadcrumb:

High StrengthCorrosion ProtectionGlobal StandardsProject Delivery

Product Overview

Bus Support Structures hold and position busbars in substations while withstanding electrical, mechanical, and environmental loads. Our structures are optimized for strength, corrosion resistance, and easy installation and maintenance. Item Specification Product Type Bus Support Structure Application Electrical Substation (AIS / GIS) Material Q235B / Q355B / ASTM A36 / A572 Structure Type Single Column / Double Column / Portal Type Surface Treatment Hot Dip Galvanized / Powder Coated Galvanizing Standard ISO 1461 / ASTM A123 Design Standard IEC 60826 / IEC 61936 / ANSI C37.30 / ASCE 10 Wind Speed Up to 60m/s Seismic Intensity Up to 9 degree Service Life More than 30 years

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

Key Features

High Strength & Stability

Corrosion Protection

Optimized Design

Optimized Safety

Long Service Life

TYPES OF BUS SUPPORT STRUCTURES

Single Column Bus Support
Double Column Bus Support
Rigid Portal
Adjustable Height Bus Support
Dead End Bus Support

TECHNICAL SPECIFICATIONS (EXAMPLE)

Voltage Level (kV) Structure Type Height Range (m) Span Range (m) Busbar Arrangement Material Surface Treatment Design Standard
66 - 132 Single Column 4 - 12 3 - 10 Single / Double / Triple Q235B / Q355B HDG (≥85μm) IEC 60826 / IEC 61936
110 - 220 Double Column 5 - 14 5 - 12 Single / Double / Triple Q235B / Q355B HDG (≥85μm) IEC 60826 / IEC 61936
220 - 330 Rigid Portal 6 - 18 6 - 15 Double / Triple Q355B HDG (≥85μm) IEC 60826 / IEC 61936
500 Rigid Portal 8 - 24 10 - 20 Triple / Quadruple Q235B / Q420B HDG (≥85μm) IEC 60826 / IEC 61936
Note: Data above for reference only. Custom designs available according to project requirements.

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 MaterialHigh-quality steel plates and sections inspection.
02CuttingCNC cutting for precise dimensions.
03Drilling & PunchingAccurate drilling and punching.
04WeldingAutomatic welding ensures strong joints.
05GalvanizingHot dip galvanizing for corrosion protection.
06InspectionStrict quality inspection before delivery.
07Packing & DeliverySecure packing and timely shipment.

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