Product Overview
Electro-Galvanized Steel Pipe (EG Pipe) is a precision steel tube coated with a controlled zinc layer through an electrochemical deposition process. It features a smooth, bright surface with tight coating tolerance, making it ideal for OEM manufacturing systems, indoor structural applications, and industrial assembly lines.
At Youcheng, we focus on supplying consistent-quality electro-galvanized steel pipes for global industrial buyers, distributors, and OEM manufacturers, ensuring stable batch production and export-ready compliance.
Technical Specifications
|
Item |
Specification |
|
Product |
Electro-Galvanized Steel Pipe (EGI) |
|
Steel Grade |
Q195 / Q235 / Q345 / ST37 / ST52 |
|
Process |
ERW + Electro-Galvanizing |
|
Outer Diameter |
10 – 219 mm |
|
Wall Thickness |
0.8 – 6.0 mm |
|
Length |
1 – 12 m or customized |
|
Zinc Coating |
5 – 30 μm |
|
Surface Finish |
Bright / Smooth / Passivated |
|
Shape |
Round / Square / Rectangular |
|
End Type |
Plain / Beveled / Threaded |
|
Tolerance |
OD ±0.5%, WT ±10% |
|
Standards |
ASTM / EN / BS / JIS |
Why Global Buyers Choose Youcheng Electro-Galvanized Steel Pipe
Stable Batch-to-Batch Consistency
We ensure uniform zinc coating thickness and surface brightness across large-volume production runs, suitable for OEM assembly systems.
Industrial Manufacturing Compatibility
Our pipes are designed for integration into automated production lines, including furniture, appliance, and automotive component manufacturing.
Reliable Long-Term Supply Capability
We support continuous supply contracts for distributors and project-based buyers requiring stable procurement cycles.
Export-Oriented Quality System
Each shipment is inspected under strict QC standards before delivery, ensuring compliance with international trade requirements.
Cost-Efficient Industrial Solution
We provide optimized production costs while maintaining consistent industrial-grade quality for global markets.
Engineering Applications
Electro-galvanized steel pipes are widely used in indoor engineering systems and light structural frameworks, including:
Building Systems
• Indoor steel framing systems
• Ceiling suspension structures
• Modular partition systems
Industrial Systems
• Warehouse racking systems
• Light industrial support structures
• Assembly line support frames
Electrical Systems
• Cable protection conduit systems
• Indoor wiring protection channels
• Commercial electrical installations
Commercial & Furniture Systems
• Retail display structures
• Metal furniture frames
• Storage and shelving systems
Controlled Environment Projects
• Greenhouse structural frames
• Indoor agricultural systems
Electro-Galvanized vs Other Steel Pipes
|
Feature |
Electro-Galvanized |
Hot-Dip Galvanized |
Painted Steel Pipe |
|
Surface Finish |
Smooth & bright |
Rough & spangled |
Coated |
|
Zinc Layer |
Thin & precise |
Thick |
None |
|
Corrosion Resistance |
Medium |
High |
Depends on coating |
|
Application |
Indoor/OEM systems |
Outdoor structures |
General use |
|
Cost Level |
Economical |
Higher |
Medium |
Manufacturing Process
Steel Tube Forming (ERW)
• High-quality carbon steel strip (Q195 / Q235 / Q345)
• High-frequency resistance welding
• Precision forming for round/square/rectangular pipes
Surface Pretreatment
• Degreasing and cleaning
• Acid pickling for rust removal
• Surface activation treatment
Electro-Galvanizing
• Zinc ion electro-deposition process
• Controlled current density for uniform coating
• Stable adhesion layer formation
Finishing & Inspection
• Passivation anti-oxidation treatment
• Drying and surface stabilization
• Final quality inspection before packing
Quality Assurance System
To ensure export-grade stability, we implement:
• Incoming raw material inspection
• Zinc coating thickness control testing
• Adhesion strength verification
• Salt spray corrosion test (48–120 hours optional)
• Surface defect inspection (AQL standard)
• Pre-shipment full inspection (100%)
Customization Options
We support flexible manufacturing based on project requirements:
|
Option |
Available Choices |
|
Pipe Shape |
Round / Square / Rectangular |
|
Diameter |
10–219 mm customized |
|
Thickness |
0.8–6.0 mm |
|
Length |
Fixed / Cut-to-length |
|
Surface Treatment |
Bright / Passivated / Oiled |
|
Marking |
OEM logo stamping available |
|
Packaging |
Bundles / Pallets / Wooden case |
Packaging & Global Shipping
Packaging Methods
• Steel strip bundling
• Plastic wrapping (anti-moisture)
• End caps protection
• Wooden or steel frame packaging (optional)
Logistics
• Container optimized loading
• Bulk shipment support
• Flexible mixed SKU loading
Trade Terms
• FOB / CFR / CIF / EXW
Manufacturing Capability
Youcheng Steel operates integrated steel pipe production systems designed for stable large-volume export supply.
Production Capacity & Equipment
• Multiple ERW steel pipe production lines
• Automated electro-galvanizing production tanks
• Continuous production process control system
• Precision sizing and straightening equipment
Quality Control System
• Chemical composition testing of raw materials
• Zinc coating thickness measurement
• Adhesion and bending performance tests
• 100% surface inspection before shipment
Standards Compliance
Manufactured according to international standards:
• ASTM A53
• BS 1387
• EN 10255
• JIS G3444
Our Certificate
Frequently Asked Questions
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