Hot-Dipped Galvanized Steel Pipe & Scaffolding Tube

Our hot-dipped galvanized (HDG) steel pipes are engineered for superior corrosion resistance and structural longevity. Strictly manufactured to EN10255, ASTM A53, and BS1387:1985 standards, our pipes feature a high-performance zinc coating with a normal average of 280g/m² (40μm). As a professional manufacturer with over 15 years of experience, we provide high-precision tubes that undergo 100% hydrostatic testing, ensuring reliability for fluid transportation, shoring systems, and high-load scaffolding construction.

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Technical Specifications

Technical Category Details & Range
Standard EN10255, ASTM A53, BS1387:1985, EN39, BS1139, JIS3444
Material Grade S195GT / S235GT / S355GT, Q195, Q235, Q345
Outer Diameter (OD) 1/2” – 10” (21.3mm – 273mm)
Wall Thickness 1.5mm – 14mm
Zinc Coating Average: 280g/m² (40um); Max: 70um
Length 1m – 16m (Customized lengths available)
End Treatment Plain (Burr-free), Threaded, Grooved, Beveled
Testing 100% Hydrostatic Test
Surface Finish Hot-dipped Galvanized, Painted, Oiled

Key Performance Advantages

Long-Term Corrosion Resistance: Our hot-dip galvanization process ensures an average zinc coating of 280g/m², providing a robust barrier against oxidation. This is significantly higher than pre-galvanized alternatives, making our pipes ideal for long-term outdoor exposure in humid or corrosive environments.
Precision Burrs-Free Plain Ends: We utilize specialized in-line clean ends machines to remove all internal and external burrs. This attention to detail ensures that our pipes are safe for workers to handle and provide a smooth, unobstructed flow for fluid transport systems.
Specialized Scaffolding Solutions: We are a leading supplier of 48.3mm OD scaffolding tubes (3.2mm/4.0mm thickness). Compliant with EN39, EN10219, and BS1139, these tubes are optimized for temporary structures, formwork, and shoring systems, offering high load-bearing capacity and durability.
Verified Pressure Safety: For fluid transport applications, we conduct 100% hydro-tests on all pipes. This guarantees that each unit can withstand designated pressures without leakage, adhering to the safety standards required by global engineering firms.

Product Applications

Fluid Transportation: Water, gas, and air delivery systems requiring high rust resistance.

Scaffolding & Construction: Main components for building maintenance, repair scaffolding, and temporary high-rise structures.
Agricultural Frameworks: Durable structures for greenhouses and farming equipment.
Industrial Infrastructure: Fire protection systems, structural columns, and protective conduits.

Packaging & Delivery

Packaging: Bundled with steel strips or damp-proof wrapping to maintain the integrity of the zinc surface during sea freight.
Loading Port: Efficient dispatch from Xingang Port, Tianjin, China.
Delivery Time: Fast lead times, normally 18-20 days after payment confirmation (T/T, L/C, D/P, or O/A).
Shipping Methods: Available via Containers or Bulk Carriers to minimize landed costs.

Frequently Asked Questions (FAQ)

Q: What is the maximum zinc coating you can provide?
A: While our standard average is 280g/m² (40um), we can provide customized galvanization up to 70um for specific heavy-duty engineering requirements.

A: Yes. Our factory has 15+ years of experience producing EN39, EN10219, and BS1139 standard tubes, ensuring full compliance for the European construction market.

A: Burr-free ends ensure safe handling on-site and prevent damage to gaskets in grooved or threaded couplings, ensuring a perfect seal in piping systems.

A: Absolutely. We have a professional QC team and support third-party inspections (SGS, BV, etc.) to verify OD, thickness, and zinc coating weight.

A: Yes, samples are available free of charge for quality verification and standard compliance testing.

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