Hot Dipped
Galvanized Steel Tube – Durable, Corrosion-Resistant Solutions for Global Construction & Industrial Applications Discover premium-quality hot dip galvanized steel tubes engineered for long-term performance in demanding environments. These seamless and welded carbon steel tubes are manufactured using advanced techniques such as Electronic Resistance Welding (ERW), Electronic Fusion Welding (EFW), and Double Submerged Arc Welding (DSAW), ensuring superior structural integrity and dimensional accuracy. With zinc coatings ranging from 260 to over 500 grams per square meter, these tubes provide exceptional protection against rust, moisture, and environmental wear—ideal for outdoor and industrial infrastructure projects worldwide. Key Features: - Available in a wide range of outer diameters from 1/2 inch to 8 inches (21.3 mm to 219.1 mm) - Wall thickness options from 1.2 mm to 12 mm, including standard schedules like SCH30, SCH40, XS, SCH80, and XXS - Customizable lengths up to 12 meters with precise tolerance control (+/- 0.4 mm) - Multiple end finishes: plain, beveled, or threaded with coupling and plastic cap options - Surface treatments include bare, black painted, galvanized, oiled, or multi-layer anti-corrosion coatings like 3PE and FBE - Compliant with international standards such as ASTM A53 Gr B, BS EN 10296, BS EN 10219, GB/T 3091, and more These high-grade galvanized steel tubes are produced from reliable low-carbon steel materials including Q195, Q215, Q235, and Q345 grades—each selected for strength, weldability, and consistency across global markets. The manufacturing process includes rigorous quality checks such as hydraulic pressure testing, eddy current inspection, and infrared scanning to ensure each tube meets strict mechanical and safety requirements before shipment. Ideal for use in structural frameworks, scaffolding systems, pipeline supports, fencing applications, and mechanical equipment components, this product delivers durability under heavy loads and extreme weather conditions. Whether used in commercial construction, bridge building, agricultural installations, or marine environments, the corrosion-resistant properties of the zinc coating significantly extend service life while reducing maintenance costs. Users around the world appreciate the versatility and reliability of these tubes, particularly when sourcing durable materials for large-scale engineering projects. Many customers highlight the consistent wall thickness, clean finish, and ease of installation—especially when paired with compatible fittings like flanges, couplings, and threaded adapters. Feedback often emphasizes how well the tubes withstand exposure to salt air, humidity, and temperature fluctuations without degradation. Frequently Asked Questions: What makes hot dipped galvanized steel tubes different from regular steel pipes? Unlike untreated carbon steel, these tubes undergo a hot-dip galvanizing process where they are immersed in molten zinc, creating a protective metallic layer that resists rust and chemical erosion far better than paint or other surface treatments. Can I request custom sizes or special coatings? Yes, we offer tailored solutions for length, diameter, wall thickness, and surface treatment based on project specifications. Specialized coatings such as fusion-bonded epoxy (FBE) or three-layer polyethylene (3PE) can be applied for enhanced corrosion resistance in aggressive environments. Are these tubes suitable for outdoor structures? Absolutely. Their zinc coating provides excellent weatherproofing, making them ideal for outdoor use in construction, landscaping, and utility infrastructure across diverse climates—from coastal regions to arid deserts. How do you ensure product consistency? Each batch undergoes comprehensive inspections following international norms, including hydrostatic testing, ultrasonic flaw detection, and visual examination to guarantee uniformity and compliance with technical standards. This robust solution stands out in the global market due to its balance of affordability, longevity, and adaptability—making it a preferred choice among engineers, contractors, and procurement specialists seeking dependable materials for critical applications.
Product Categories : Steel Pipe > Seamless Steel Pipe
