Galvanized Hollow Section 14 Gauge Tubing Iron Square Steel Pipes Factory 2×2
Galvanized square pipe is a hollow steel pipe with a square cross-section, manufactured from hot-rolled or cold-rolled galvanized steel strips/coils through cold forming and high-frequency welding processes. It can also be produced by hot-dip galvanizing pre-formed cold-formed hollow steel pipes to achieve enhanced corrosion resistance.
With a strong zinc coating, galvanized square pipes provide excellent durability, rust resistance, and structural strength. They are widely used in steel structures, construction frames, fences, railings, greenhouses, machinery Amanufacturing, and infrastructure projects.
ROYAL GROUP supplies galvanized square pipes in various sizes, wall thicknesses, and lengths, with customized specifications available to meet different project requirements.
Galvanizing is an economical and highly effective method for preventing steel corrosion. The zinc coating forms a dense protective barrier on the surface of the steel pipe, isolating it from moisture and corrosive elements in the environment.
In addition, zinc provides cathodic protection, meaning that even if the coating is scratched or damaged, the zinc layer continues to protect the underlying steel substrate from rust and corrosion. This significantly improves the service life and reliability of galvanized square pipes, making them suitable for outdoor, industrial, and structural applications.
Due to the additional zinc coating, galvanized square pipes offer better corrosion resistance and a longer service life compared with ordinary square pipes, significantly expanding their application range.
They are widely used in various industries, including:
Construction & Steel Structures: Used for building frames, support structures, warehouses, and structural components.
Curtain Wall Systems: Suitable for glass curtain walls and architectural façade frameworks due to their strength and corrosion resistance.
Machinery Manufacturing: Applied in equipment frames, mechanical parts, and industrial structures.
Shipbuilding & Marine Projects: Used in applications requiring durable and corrosion-resistant steel components.
Solar Mounting Systems: Commonly used for solar panel brackets and support structures.
Power & Energy Engineering: Applied in power plants, electrical structures, and transmission-related projects.
Agricultural & Chemical Equipment: Used for greenhouse structures and equipment requiring long-term outdoor service.
Automotive & Transportation: Used in automobile chassis components, airport facilities, and other transportation infrastructure.
With excellent strength, corrosion resistance, and easy fabrication, galvanized square pipes provide a reliable solution for both indoor and outdoor structural applications.
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Product Name
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Galvanized Square Steel Pipe
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Zinc Coating
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35μm-200μm
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Wall Thickness
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1-5MM
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Surface
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Pre-galvanized, Hot dipped galvanized, Electro galvanized, Black, Painted, Threaded, Engraved, Socket.
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Grade
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Q235, Q345, S235JR, S275JR, STK400, STK500, S355JR, GR.B-D
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Tolerance
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±1%
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Oiled or Non-Oiled
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Non-Oiled
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Delivery Time
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3-15 days (according to the actual tonnage) | |||
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Usage
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Civil engineering, architecture, steel towers, shipyard, scaffoldings, struts, piles for suppression of landslide and other
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Package
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In bundles with steel strip or in loose, non-woven fabrics packings or as per customers' request
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MOQ
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1 ton
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Payment Term
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T/T
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Trade Term
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FOB,CFR,CIF ,DDP,EXW
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Details
Q1: What is a galvanized square pipe?
A: Galvanized square pipe is a hollow steel pipe with a square cross-section that is coated with a zinc layer through hot-dip galvanizing or pre-galvanizing processes. The zinc coating improves corrosion resistance and extends service life.
Q2: What materials are used for galvanized square pipes?
A: Galvanized square pipes are commonly manufactured from carbon steel grades such as Q235B, Q355B, ASTM A500, and other equivalent standards according to customer requirements.
Q3: What are the advantages of galvanized square pipes?
A: They feature excellent corrosion resistance, high strength, good weldability, easy fabrication, long service life, and low maintenance costs, making them suitable for various structural applications.
Q4: What sizes of galvanized square pipes are available?
A: ROYAL GROUP supplies customized sizes, including different outer dimensions, wall thicknesses, and lengths. Standard lengths are usually 6m and 12m, with special lengths available upon request.
Q5: What are the main applications of galvanized square pipes?
A: They are widely used in steel structures, construction frames, curtain walls, solar mounting brackets, machinery manufacturing, greenhouses, power engineering, transportation facilities, and infrastructure projects.












