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Help CenterHot-dip Galvanized Round Steel Pipe＆Steel Pipe & Tube，Q235B, Q355B, ASTM A53 Grade A/B, DIN, EN
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Hot-dip Galvanized Round Steel Pipe＆Steel Pipe & Tube，Q235B, Q355B, ASTM A53 Grade A/B, DIN, ENNegotiableMOQ: 5 Metric Tons -
Hot-dip Galvanized Round Steel Pipe＆Steel Pipe & Tube，Q235B, Q355B, ASTM A53 Grade A/B, DIN, ENNegotiableMOQ: 5 Metric Tons
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Hot-dip Galvanized Round Steel Pipe＆Steel Pipe & Tube，Q235B, Q355B, ASTM A53 Grade A/B, DIN, ENNegotiableMOQ: 5 Metric Tons
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1. Product Overview
Hot-dip galvanized round steel pipe is a high-corrosion-resistant steel pipe product manufactured through a professional hot-dip galvanizing process. It forms a uniform, dense and firmly bonded zinc coating on the surface of the steel pipe, which effectively isolates air, moisture and other corrosive media, greatly extending the service life of the pipe. It is widely used in construction, fire protection, greenhouse, machinery, transportation and outdoor engineering fields, and is an ideal choice for long-term use in various environments.
2. Key Specifications
- Product Name: Hot-dip Galvanized Round Steel Pipe / HDG Round Pipe
- Material: Q235B, Q355B, ASTM A53 Grade A/B, DIN, EN standard carbon steel
- Outer Diameter: 21.3mm – 219mm (customizable for special sizes)
- Wall Thickness: 1.2mm – 8.0mm
- Standard Length: 5.8m, 6.0m, 12.0m (cutting & custom length available)
- Coating Thickness: ≥ 85μm (high-zinc layer optional for severe corrosion environment)
- Surface Treatment: Hot-dip galvanized (HDG), smooth surface, no leakage plating, uniform zinc layer
- Production Process: ERW welded / seamless (optional)
3. Product Features
- Excellent Corrosion Resistance: Uniform hot-dip galvanized coating provides long-term anti-rust and anti-corrosion performance, stable in outdoor and humid environments.
- High Strength & Good Toughness: Adopts high-quality carbon steel, with good pressure resistance, bending resistance and impact resistance.
- Smooth Inner & Outer Wall: Low fluid resistance, suitable for fluid transportation and structural applications.
- Easy Processing & Installation: Good weldability, bendability and machinability, convenient for on-site construction and installation.
- Long Service Life: Normal service life up to 15–30 years according to different using environments.
- Stable Dimensional Accuracy: Strict tolerance control ensures good matching during installation.
4. Main Applications
- Construction structure: building framework, curtain support, pipe gallery
- Fire protection system: fire water supply pipeline
- Agricultural engineering: greenhouse skeleton, breeding support
- Fluid transportation: water supply, gas transmission, low-pressure fluid pipeline
- Municipal engineering: guardrail, street lamp pole, cable protection pipe
- Machinery and equipment: mechanical structural parts, vehicle manufacturing
5. Packaging & Delivery
- Packaging: Standard seaworthy packaging – steel strip binding, woven cloth wrapping, wooden pallet / iron pallet (customizable for export requirements)
- MOQ: Negotiable, support small batch trial order
- Delivery Time: Regular size in stock, fast delivery; customized products 5–7 days
- Transportation: Sea freight, land transportation, suitable for global export
6. Quality Assurance
- Raw materials with complete material certificates
- Strict inspection: dimensional inspection, zinc layer thickness test, pressure test, surface quality inspection
- Comply with international standards: ASTM, EN, GB, etc.
- Provide quality inspection report and relevant export certificates
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