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S280GD Galvanized Steel Pipe | High-Strength Zinc-Coated Structural Pipe

  • High-quality S280GD galvanized steel pipe with hot-dip zinc coating, excellent corrosion resistance, and customizable dimensions. Ideal for structural, HVAC, and piping applications. Fast delivery & ISO-certified....
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Detailed introduction


Product Overview

S280GD Galvanized Steel Pipe is a high-performance, hot-dip zinc-coated steel pipe manufactured from premium-grade structural steel. Engineered in compliance with global standards including ISO, ASTM, JIS, and EN, this galvanized pipe offers exceptional mechanical strength, uniform zinc coating, superior corrosion resistance, and excellent processability, making it an ideal solution for both indoor and outdoor structural applications.

It is produced using advanced welding and forming technologies such as ERW, SAW, HFW, and SMLS, and widely used in construction frameworks, gas and water transmission, HVAC systems, greenhouse structures, and mechanical engineering.


Technical Specifications

ItemSpecification
Product NameS280GD Galvanized Steel Pipe
Material GradesS280GD, S220GD, S250GD, S350GD, S550GD, DX51D, DX52D, SGCC, SGHC, SGH400, etc.
Wall Thickness0.3mm – 150mm
Outer Diameter10mm – 2820mm
Length Options2000mm, 3000mm, 5800mm, 6000mm, 12000mm, or customized
Cross Section ShapeRound (customized shapes available)
Surface FinishHot dip galvanized (zinc layer 60-275g/m²), natural zinc coating
Production ProcessesERW, SAW (SAWL/SAWH), HFW, Seamless (SMLS)
Standard ComplianceEN10210, EN10219, ASTM A53/A139/A252, JIS G3444
CertificatesISO9001, CE, SGS
MOQ500KG
CustomizationAvailable (length, OD, wall thickness, zinc layer, etc.)
Delivery Time3–5 Days (stock items)


Key Advantages

High Strength & Toughness: Yield strength of S280GD grade ensures structural reliability under high load.

Corrosion Resistance: Hot dip galvanized coating resists rust, moisture, and chemicals for extended life.

Flexible Processing: Easily cut, bent, drilled, or welded without cracking or flaking.

Wide Dimensional Range: Supports a large spectrum of wall thickness and diameter customization.

Global Standard Compliance: Ensures compatibility with international engineering projects.

Fast Delivery & Factory Price: Stock available with low MOQ and competitive price from our own factory.


Applications of S280GD Galvanized Steel Pipe

Construction Engineering: Scaffolding pipes, structural supports, fence posts, steel columns, and frames.

Gas & Water Transmission: Low-pressure gas lines, irrigation systems, water delivery pipelines.

Greenhouse Projects: Support tubes and structures for agricultural greenhouses.

HVAC Systems: Air conditioning ventilation pipes and exhaust ducts.

Mechanical Parts: Base frames, load-bearing arms, industrial bracing systems.

Industrial Equipment: Pipe racks, frameworks, conveyors, railings, marine piping.


Production Process

Steel Raw Material Selection

Pipe Forming (ERW/HFW/SAW/SMLS)

Surface Cleaning & Pickling

Fluxing

Hot-Dip Galvanizing

Cooling & Passivation

Inspection & Quality Testing

Cutting & Customization

Packaging & Shipment




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Product pack


S280GD Galvanized Steel Pipe | High-Strength Zinc-Coated Structural Pipe pack

Our Factory


S280GD Galvanized Steel Pipe | High-Strength Zinc-Coated Structural Pipe Factory

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  • Mobile:+86-13220583898
  • Phone:+86-531-88752665
  • Address:11th Floor, Chuangbo Industrial Park, 177 Tianchen Road, High-tech Zone, Jinan City, Shandong Province, China
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