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ZZ STEEL ZZ STEELPOWER INFRASTRUCTURE

AIS Substation Structures

ENGINEERED FOR STRENGTH. BUILT FOR LONG-TERM SERVICE.

Breadcrumb:

High StrengthCorrosion ProtectionGlobal StandardsProject Delivery

Product Overview

AIS Substation Structures form the backbone of air insulated substations, providing mechanical support for busbars, electrical equipment and accessories. Our scope includes design, manufacturing and supply of all kinds of steel structures used in AIS substations up to 800kV. Item Specification System AIS (Air Insulated Substation) Voltage Level Up to 800kV Application Power Transmission & Distribution Material Q235B / Q355B / ASTM A36 / A572 Structure Type Gantry / Bus Support / Equipment Support / Lightning Mast / Other Structures Surface Treatment Hot Dip Galvanized / Powder Coated Galvanizing Standard ISO 1461 / ASTM A123 Design Standard IEC 60894 / IEC 61936 / IEEE C37.012 / 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

Engineered for Safety

Optimized Design

Long Service Life

COMPLETE AIS SUBSTATION STRUCTURE SYSTEM

Gantry Structures
Support busbars and incoming/outgoing lines.
Bus Support StructuresSupport main busbars and transfer busbars.
Equipment Support StructuresSupport circuit breakers, disconnectors, CT/PT, etc.
Switchyard StructuresPortal frames, extension parts and special structures.
Lightning Mast StructuresProtect substation from lightning strikes.
Other AccessoriesCable supports, walkways, platforms, brackets, etc.

TECHNICAL SPECIFICATIONS (EXAMPLE)

Item Voltage Level (kV) Structure Type Typical Height (m) Load Capacity (kN) Material Surface Treatment Design Standard
Gantry Structure 66 - 800 Single / Double / Multi-Span 6 - 30 10 - 200 Q235B / Q355B HDG (≥85μm) IEC 60894 / IEC 61936
Bus Support Structure 66 - 800 Single Column / Portal 6 - 20 10 - 150 Q235B / Q355B HDG (≥85μm) IEC 60894 / IEC 61936
Equipment Support Structure 11 - 800 Various Types 3 - 15 5 - 100 Q235B / Q355B HDG (≥85μm) IEC 60894 / IEC 61936
Lightning Mast Structure 11 - 800 Single Pole / Guyed 10 - 80 5 - 50 Q235B / Q355B HDG (≥85μm) IEC 62305 / GB 50057
Other Accessories 11 - 800 Brackets / Walkways / Supports - - Q235B / Q355B HDG (≥85μm) IEC / ASTM / GB

PROJECT APPLICATIONS

Manufacturing Process

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

01Raw MaterialHigh-quality steel material 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 after galvanizing.
07Packing & DeliverySecure packing and timely shipment.

Project References

Representative substation structures solutions for international infrastructure projects.

AIS Substation Structures project 1AIS Substation Structures · Project 01
AIS Substation Structures project 2AIS Substation Structures · Project 02
AIS Substation Structures project 3AIS Substation Structures · Project 03
AIS Substation Structures project 4AIS Substation Structures · Project 04

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