Galvanized Round Steel Pipe – Zinc-coated round pipe with good corrosion resistance.
Hot-dip & Pre-galvanized Options – Suitable for indoor, outdoor and structural applications.
Custom Sizes Available – Outer diameter, wall thickness, length and zinc coating can be customized.
Wide Applications – Used for construction, greenhouse, fence, scaffolding, handrail and fabrication.
Export Ready Supply – MTC, inspection support, bundle packing, FOB, CIF and CFR available.
Galvanized round steel pipe is a round steel tube coated with a protective zinc layer. The zinc coating helps protect the steel pipe from rust, oxidation and environmental corrosion, making it suitable for construction, outdoor structures, agriculture, fencing, scaffolding and general industrial use.
Compared with ordinary black steel pipe, galvanized round pipe provides better corrosion resistance and longer service life in humid or outdoor environments. It can be cut, welded, threaded, bent, drilled and fabricated according to different project requirements.
Henan GDD supplies hot-dip galvanized round pipes, pre-galvanized round pipes and customized galvanized steel tubes. We support steel distributors, construction companies, greenhouse manufacturers, fencing suppliers, scaffolding factories, agricultural projects and industrial buyers worldwide.
| Item | Specification |
|---|---|
| Product Name | Galvanized Round Steel Pipe / GI Round Pipe |
| Pipe Shape | Round / Circular |
| Material Grade | Q195, Q235, Q345, Q355, ASTM A53, ASTM A500, S235, S355 or Customized |
| Standard | ASTM, EN, JIS, BS, GB or Customized |
| Production Type | ERW Welded Pipe / Seamless Pipe if required |
| Galvanizing Type | Hot-dip Galvanized / Pre-galvanized / Electro Galvanized |
| Outer Diameter | 10 mm – 610 mm or Customized |
| Wall Thickness | 0.6 mm – 20 mm or Customized |
| Length | 5.8m, 6m, 11.8m, 12m or Customized |
| Zinc Coating | 40 g/m² – 600 g/m² or Customized |
| Surface | Bright, Smooth, Zinc Coated, Oiled or Customized |
| End Type | Plain End, Threaded End, Beveled End, Grooved End |
| Application | Construction, Greenhouse, Fence, Scaffolding, Handrail, Machinery, Agriculture |
| Packing | Bundle Packing, Plastic Caps, Steel Strips, Waterproof Packing |
| Trade Terms | FOB, CFR, CIF, EXW |
Galvanized round steel pipe is a steel pipe with a circular cross section and zinc-coated surface. The zinc layer acts as a protective barrier between the steel substrate and the external environment, helping reduce corrosion and extend service life.
The pipe can be produced from black steel pipe through hot-dip galvanizing, or from galvanized steel strip through welding and forming. Hot-dip galvanized pipe usually has a thicker zinc layer and stronger corrosion resistance, while pre-galvanized pipe has a smooth surface and is widely used for light structures and general fabrication.
Because of its strength, round shape, easy connection and practical anti-rust performance, galvanized round pipe is one of the most commonly used steel pipe products in construction and industrial markets.
Hot-dip galvanized round pipe is produced by immersing steel pipe into molten zinc after pipe forming. It usually has a thicker zinc coating and better corrosion resistance, making it suitable for outdoor structures, scaffolding, fencing, water transmission, agriculture and long-term use projects.
Pre-galvanized round pipe is made from galvanized steel strip and then welded into round tube shape. It has a smooth and bright surface, accurate size and good processing performance. It is commonly used for greenhouse structures, furniture frames, light construction, fencing and general fabrication.
Galvanized ERW round pipe is made by electric resistance welding and zinc coating process. It offers stable weld quality, good dimensional accuracy and high production efficiency. It is widely used in construction, machinery, frames, railings and industrial applications.
Customized galvanized round tubes can be supplied according to required diameter, wall thickness, length, steel grade, zinc coating, end type, packing method and final application.
Galvanized round steel pipe is widely used in construction and industrial production because it combines mechanical strength with corrosion protection.
In construction projects, it can be used for structural supports, guardrails, handrails, scaffolding, temporary facilities, roof frames and building components. In agriculture, it is commonly used for greenhouse frames, livestock fences, irrigation support structures and farm equipment.
For industrial fabrication, galvanized round pipe can be used for machinery frames, storage racks, transportation equipment, metal furniture, posts, safety barriers, sign poles and general welded structures.
It is also suitable for fence systems, garden structures, outdoor railings, solar mounting systems, cable protection, light steel structures and many other applications that require a durable round steel tube.
The zinc coating helps protect the pipe surface from rust and oxidation, making galvanized round pipe more suitable for humid, outdoor and exposed environments than ordinary black steel pipe.
Galvanized round steel pipe has good strength, stable shape and reliable load-bearing performance. It can be used for frames, supports, posts, railings and structural components.
The galvanized surface is bright, clean and smooth. It is suitable for visible structures such as fences, handrails, greenhouse frames and outdoor facilities.
The pipe can be cut, welded, drilled, threaded, bent and connected with fittings. Plain end, threaded end, beveled end and grooved end options can be supplied according to project needs.
Outer diameter, wall thickness, length, zinc coating, steel grade, end treatment and packing method can be customized according to customer requirements.
Compared with stainless steel pipe, galvanized round pipe provides practical corrosion protection at a more economical cost, making it suitable for large-volume construction and industrial use.
Hot-dip galvanized pipe is usually selected when stronger corrosion resistance and thicker zinc coating are required. It is more suitable for outdoor projects, scaffolding, fencing, water systems and long-term structural use.
Pre-galvanized pipe is usually selected for smoother surface appearance, lighter structures and cost-sensitive applications. It is commonly used for greenhouse frames, furniture, light construction, decorative structures and indoor or semi-outdoor applications.
The final choice depends on the application environment, service life requirement, zinc coating requirement and project budget.
Henan GDD can supply galvanized round pipes with different surface and end treatments. Common surface options include bright galvanized surface, oiled surface, smooth zinc surface and customized anti-rust treatment.
Pipe ends can be supplied as plain ends for welding or fabrication, threaded ends for pipe connection, beveled ends for welding preparation, or grooved ends for mechanical connection systems. Plastic caps, labels and special packing can also be arranged according to customer requirements.
Henan GDD is a reliable steel material supplier with experience in steel pipe supply, coated steel products, processing, inspection, packing and export service. We provide galvanized round steel pipe solutions for construction companies, greenhouse manufacturers, fencing suppliers, scaffolding factories, steel distributors and global industrial buyers.
We support custom sizes, different zinc coating requirements, multiple steel grades, flexible packing methods and international shipment arrangements. From quotation to production, inspection, packing and loading, our team can provide one-stop export support for your steel pipe orders.
Before shipment, Henan GDD can arrange inspection according to customer requirements. Inspection items may include outer diameter, wall thickness, pipe length, zinc coating, surface condition, straightness, end treatment, bundle quantity and total weight.
MTC, quality documents, packing photos, loading photos and third-party inspection can be provided according to order requirements. For project orders, inspection can also be arranged according to drawings, standards or buyer specifications.
Galvanized round steel pipes are usually packed in bundles with steel strips. For better protection, plastic caps, waterproof wrapping, woven bags, labels, lifting belts or customized export packing can be provided.
Standard pipe lengths such as 5.8m, 6m, 11.8m and 12m can be arranged according to container loading requirements. Shipment can be handled by container, bulk vessel or customized logistics method depending on order quantity, pipe length and destination port.
Galvanized round steel pipe is used for construction, scaffolding, greenhouse frames, fences, handrails, railings, machinery frames, agriculture, water transmission and general industrial fabrication.
Hot-dip galvanized pipe usually has a thicker zinc coating and stronger corrosion resistance. Pre-galvanized pipe has a smoother surface and is commonly used for light structures, greenhouse frames, furniture and general fabrication.
Yes. Outer diameter, wall thickness, length, zinc coating, steel grade, end type and packing method can be customized according to customer requirements.
Plain end, threaded end, beveled end and grooved end can be supplied according to project or connection requirements.
Please provide outer diameter, wall thickness, length, steel grade, galvanizing type, zinc coating, quantity, packing requirement, destination port and trade terms.
Yes. MTC, quality documents, inspection photos, packing photos, loading photos and third-party inspection can be provided according to order requirements.
Yes. Galvanized round pipe is suitable for outdoor use. For harsher environments or longer service life requirements, hot-dip galvanized pipe with higher zinc coating is recommended.
Looking for galvanized round steel pipes for construction, greenhouse, fencing or industrial fabrication?
Send us your required outer diameter, wall thickness, length, zinc coating, quantity and destination port. Henan GDD will provide a professional quotation and suitable shipping solution.
