Hot Dip Galvanized Round Steel Pipe (GI Round Pipe)
Hot Dip Galvanized Round Steel Pipe (GI Round Pipe)
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 Round Steel Pipe (GI Round Pipe) is a round carbon steel pipe with a protective zinc coating designed to improve corrosion resistance and service life. The galvanized coating helps protect the steel substrate against rust and environmental exposure, making it suitable for construction, infrastructure, agricultural structures, fencing and industrial applications. Available in different steel grades, outside diameters, wall thicknesses and lengths, these pipes meet a wide range of structural and fabrication requirements. Depending on the product specification, they can be supplied as pre-galvanized or hot-dip galvanized pipes. Queen Metal provides customized dimensions, zinc coating specifications, pipe ends, cutting, threading and other processing services to meet different project requirements.
Specifications
| Item | Specification |
|---|---|
| Product Type | Hot Dip Galvanized Round Steel Pipe |
| Common Name | GI Round Pipe / Galvanized Round Steel Pipe |
| Material Type | Galvanized Carbon Steel |
| Common Grades | Q195 / Q215 / Q235 / Q355 / S235JR / S275JR / S355JR, or other grades according to applicable specifications |
| Applicable Standards | ASTM A53 / ASTM A500 / EN 10219 / EN 10240 / BS 1387, depending on product type and applicable requirements |
| Manufacturing Process | ERW Welded / Seamless where applicable |
| Galvanizing Process | Hot-Dip Galvanized / Pre-Galvanized, depending on product specification |
| Outside Diameter | Various standard sizes / Customized |
| Wall Thickness | Various standard sizes / Customized |
| Length | Standard Length / Fixed Length / Customized |
| Zinc Coating | According to applicable standards or customer requirements |
| Surface Finish | Galvanized / Smooth Zinc Coating / Customized |
| Pipe End | Plain End / Threaded End / Grooved End / Beveled End, where applicable |
| Section Shape | Round |
| Tolerance | According to applicable standards or customer requirements |
| Processing Services | Cutting / Threading / Grooving / Drilling / Other Customized Processing |
| Customization Options | Steel Grade / Outside Diameter / Wall Thickness / Length / Zinc Coating / Pipe End / Processing |
Need a Customized Solution?
If you cannot find a hot dip galvanized round steel pipe (GI Round Pipe) 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 |
|---|---|
| Construction | Building structures, support frames, scaffolding components and general construction |
| Infrastructure | Guardrails, utility structures and outdoor support systems |
| Agriculture | Greenhouse frames, irrigation structures and agricultural equipment |
| Fencing & Security | Fence posts, gates, handrails and protective barriers |
| Water & Utility Systems | Piping and utility applications where the selected pipe specification and coating are suitable |
| Industrial Manufacturing | Equipment frames, support structures and fabricated components |
| Transportation | Protective barriers, structural supports and equipment components |
| Steel Fabrication | Customized frames, brackets, supports and metal fabrication projects |
Quality Assurance & Testing
| Inspection / Testing | Details |
|---|---|
| Material Verification | Verification of steel grade and chemical composition according to applicable standards |
| Dimensional Inspection | Outside diameter, wall thickness, length, roundness and straightness inspection |
| Zinc Coating Inspection | Verification of zinc coating thickness or coating mass according to the specified standard |
| Surface Inspection | Inspection for bare spots, excessive zinc buildup, peeling and other visible defects |
| Mechanical Testing | Tensile and other mechanical tests according to applicable standards |
| Weld Inspection | Welded pipe seam inspection, where applicable |
| Hydrostatic Testing | Available where required by the applicable pipe standard and intended application |
| Galvanizing Adhesion Test | Conducted according to the specified standard, where applicable |
| Thread Inspection | Thread dimensions and quality checked for threaded pipe ends, where applicable |
| Material Test Certificate | MTC available 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 steel pipe packaging |
| Surface Protection | Protective wrapping to help prevent surface damage during handling and transportation |
| End Protection | Pipe end protectors available according to pipe dimensions and requirements |
| Bundling | Steel-strapped bundles for secure handling and shipment |
| External Packaging | Waterproof wrapping or other protective materials according to order requirements |
| Wooden Packaging | Wooden cases or pallets available where required |
| Shipping Method | Container / Bulk shipment, depending on pipe dimensions and order volume |
| Transportation Protection | Suitable protection for long-distance ocean transportation, helping reduce moisture exposure, abrasion and handling damage |
| MOQ | According to product specifications and order requirements |
| Lead Time | Confirmed according to material availability, 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 Round Steel Pipe?
A Hot Dip Galvanized Round Steel Pipe is a round carbon steel pipe protected by a zinc coating to improve corrosion resistance and durability. It is commonly used in construction, agriculture, fencing, infrastructure and industrial applications.
2. What is the difference between pre-galvanized pipe and hot-dip galvanized pipe?
Pre-galvanized pipe is made from steel galvanized before pipe forming, while hot-dip galvanizing after fabrication involves immersing the formed pipe in molten zinc. Coating coverage and thickness depend on the galvanizing process and product specification.
3. What sizes of GI round pipes are available?
GI round pipes are available in various outside diameters, wall thicknesses and lengths. Customized dimensions and cutting services can be arranged according to your project requirements.
4. Can galvanized round steel pipes be supplied with threaded or grooved ends?
Yes. Threaded ends, grooved ends, plain ends and other end treatments can be supplied where compatible with the pipe dimensions, manufacturing process and applicable specifications.
5. Can Queen Metal customize galvanized round steel pipes?
Yes. Queen Metal provides customized solutions for steel grade, outside diameter, wall thickness, length, zinc coating, pipe ends, processing and packaging. Customers can share drawings, technical specifications or project requirements for evaluation and quotation.
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