Skip to product information
1 of 5

Hot Dip Galvanized Octagonal Steel Tube (GI Octagonal Tube)

Hot Dip Galvanized Octagonal Steel Tube (GI Octagonal Tube)

MOQ
From 500 kg; volume pricing available for 1,000 kg / 5,000 kg+ orders
Pricing Basis
FOB Shanghai / Ningbo Port; CFR, CIF and other terms available
Lead Time
7–20 working days for standard orders; calculated from order confirmation and deposit receipt
Payment Terms
T/T; terms confirmed based on order value and project requirements
Packaging
Standard seaworthy export packaging; customized packaging available
Samples
Available upon request
Customization
Custom sizes, grades, surface finishes and processing available

Note: MOQ, pricing, lead time and payment terms may vary depending on product grade, specifications, order quantity and processing requirements. Please contact QueenMetal (ding@queenmetalgroup.com) for a product-specific quotation.

Product Introduction

Hot Dip Galvanized Octagonal Steel Tube (GI Octagonal Tube) is an octagonal-shaped steel tube with a protective zinc coating designed to improve corrosion resistance and service life in outdoor and industrial environments. Its multi-sided profile provides a practical structural solution for lighting poles, traffic sign supports, road infrastructure, fencing systems and customized steel structures. Manufactured according to project requirements, octagonal steel tubes can be supplied in different steel grades, across a range of dimensions, wall thicknesses and lengths. Depending on the design and manufacturing process, the product can be supplied as hot-dip galvanized after fabrication or with another specified galvanizing treatment. Queen Metal supports custom dimensions, material specifications, zinc coating requirements, cutting, drilling and other processing services for project-based steel supply.

Specifications

Item Specification
Product Type Hot Dip Galvanized Octagonal Steel Tube
Common Name GI Octagonal Tube / Galvanized Octagonal Pipe / Octagonal Steel Hollow Section
Material Type Galvanized Carbon Steel
Common Steel Grades Q235 / Q355 / S235JR / S275JR / S355JR / Other grades according to applicable specifications
Applicable Standards Applicable structural steel, hollow section and galvanizing standards according to product design and customer requirements
Manufacturing Process Welded Steel Tube / Formed Octagonal Section, depending on product design
Galvanizing Process Hot-Dip Galvanized / Other Specified Galvanizing Treatment, depending on product specification
Section Shape Octagonal Hollow Section (Eight-Sided Profile)
Across-Flats Dimension Customized according to drawings and project requirements
Across-Corners Dimension According to design and manufacturing specifications
Wall Thickness Various available specifications / Customized
Length Standard Length / Fixed Length / Customized
Steel Grade Selected according to structural design and customer requirements
Zinc Coating According to applicable standards or customer requirements
Surface Finish Galvanized / Smooth Zinc Coating / Customized
Tube Ends Plain End / Cut End / Drilled End / Other configurations where applicable
Dimensional Tolerance According to agreed product specifications and applicable standards
Processing Services Cutting / Drilling / Punching / Welding / Other Customized Processing, where applicable
Customization Options Steel Grade / Octagonal Dimensions / Wall Thickness / Length / Zinc Coating / Hole Positions / End Preparation
Documentation Material Test Certificate (MTC) available according to order requirements

Need a Customized Solution?

If you cannot find a hot dip galvanized octagonal steel tube (GI Octagonal Tube) for your project, please contact Queen Metal. We provide customized solutions based on your required grade, dimensions, standard, surface finish, end treatment, and application.

Send us your specifications, technical requirements, drawings, or parameter files, and our team will provide a suitable quotation and supply solution.

Email: ding@queenmetal.com

Applications & Industries

Industry Typical Applications
Street Lighting Street light poles, outdoor lighting supports and lighting column structures
Traffic & Road Infrastructure Traffic sign supports, road signage structures and highway infrastructure
Solar Energy Solar lighting poles and customized support structures, subject to engineering requirements
Public Infrastructure Public facility supports, outdoor structural columns and infrastructure projects
Fencing & Security Fence posts, security barriers and customized perimeter support structures
Telecommunications Selected pole and support structures where the tube design meets project requirements
Industrial Manufacturing Equipment supports, structural frames and customized fabricated components
Transportation Facilities Roadside support structures, parking facility poles and transport infrastructure
Construction & Engineering Customized structural supports and steel framework components
Steel Fabrication Drawing-based octagonal steel tubes, cut-to-length components and project-specific fabricated products

Quality Assurance & Testing

Inspection / Testing Details
Material Verification Verification of steel grade and chemical composition according to the applicable material specification
Dimensional Inspection Across-flats dimensions, across-corners dimensions, wall thickness and length inspection
Shape Inspection Verification of octagonal profile geometry, straightness and dimensional consistency
Weld Inspection Weld seam inspection according to the product design and applicable requirements
Zinc Coating Inspection Verification of zinc coating thickness or coating mass according to the specified galvanizing standard
Surface Inspection Inspection for bare spots, peeling, excessive zinc buildup and other visible defects
Mechanical Testing Tensile and other mechanical tests according to the applicable material or product standard
Coating Adhesion Inspection Assessment according to the specified standard, where applicable
Hole Position Inspection Verification of drilled or punched hole positions and dimensions, where specified
Length & Cutting Inspection Verification of cut length and end condition against the purchase specifications
Material Test Certificate MTC available according to order requirements, subject to the agreed documentation scope
Traceability Heat number, batch identification and product marking according to order requirements
Third-Party Inspection SGS / BV or other third-party inspection available upon request

Packaging & Logistics

Item Details
Packaging Standard Export-standard galvanized octagonal steel tube packaging
Surface Protection Suitable protective wrapping to help prevent coating damage during handling and transportation
End Protection End protection available according to tube dimensions and customer requirements
Bundling Steel-strapped bundles arranged for secure handling and shipment
Bundle Identification Product labels, dimensions, grade and order markings according to customer requirements
External Packaging Waterproof wrapping or other suitable protective materials where required
Wooden Packaging Wooden pallets or cases available according to product dimensions and shipping requirements
Long-Length Packaging Customized bundle arrangement for long-length tubes and pole components
Shipping Method Container / Bulk shipment, depending on tube length, dimensions and order volume
Transportation Protection Suitable protection for long-distance ocean transportation, helping reduce moisture exposure, abrasion and handling damage
MOQ According to steel grade, dimensions, galvanizing requirements and order quantity
Lead Time Confirmed according to material availability, manufacturing process, specifications and order quantity
Customized Logistics Custom marking, bundling, packaging and shipping arrangements available according to customer requirements

FAQS

1. What is a Hot Dip Galvanized Octagonal Steel Tube?

A Hot Dip Galvanized Octagonal Steel Tube is a steel tube with an eight-sided cross-section and a protective zinc coating. It is commonly used in outdoor structural applications such as lighting poles, traffic sign supports and customized infrastructure components.

2. What are galvanized octagonal steel tubes used for?

They are commonly used for street lighting poles, traffic signage, road infrastructure, outdoor supports and customized steel structures. The final application depends on the tube dimensions, material grade, structural design and applicable engineering requirements.

3. Can octagonal steel tubes be customized according to drawings?

Yes. Across-flats dimensions, wall thickness, length, steel grade, hole positions and end configurations can be specified according to project drawings, subject to manufacturing feasibility.

4. What is the benefit of hot-dip galvanizing octagonal steel tubes?

Hot-dip galvanizing provides a protective zinc coating that helps improve corrosion resistance in outdoor environments. The appropriate coating specification depends on the intended service conditions and applicable project requirements.

5. Can Queen Metal provide inspection and export packaging for galvanized octagonal tubes?

Yes. Queen Metal can coordinate material documentation, dimensional inspection, zinc coating inspection, third-party inspection and export packaging according to the agreed order requirements. Customers can provide drawings, technical specifications and order quantities for evaluation and quotation.

View full details

Request a Quote Now

Tell us your requirements, including product type, specifications and quantity. Our professional team will provide a fast response and customized steel solutions.