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.
Item | Specification |
Product Name | S280GD Galvanized Steel Pipe |
Material Grades | S280GD, S220GD, S250GD, S350GD, S550GD, DX51D, DX52D, SGCC, SGHC, SGH400, etc. |
Wall Thickness | 0.3mm – 150mm |
Outer Diameter | 10mm – 2820mm |
Length Options | 2000mm, 3000mm, 5800mm, 6000mm, 12000mm, or customized |
Cross Section Shape | Round (customized shapes available) |
Surface Finish | Hot dip galvanized (zinc layer 60-275g/m²), natural zinc coating |
Production Processes | ERW, SAW (SAWL/SAWH), HFW, Seamless (SMLS) |
Standard Compliance | EN10210, EN10219, ASTM A53/A139/A252, JIS G3444 |
Certificates | ISO9001, CE, SGS |
MOQ | 500KG |
Customization | Available (length, OD, wall thickness, zinc layer, etc.) |
Delivery Time | 3–5 Days (stock items) |
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.
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.
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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