Tianjin Tianyingtai Steel Pipe Co., Ltd. is one of the most credible manufacturers and suppliers of galvanized tube for construction in China. Welcome to consult the quotation and import cheap galvanized tube for construction made in China here from our factory.
| Product Name | Galvanized Tube |
| Shape | Round |
| Dimension | 21.3mm-1620mm |
| Wall Thickness | 0.5mm – 30mm (customizable) |
| Length | 6m / 12m standard, custom cutting available |
| Material Grade | Q235B / Q345B / S235JR / S275JR / S355JR / ASTM A36 / A500 Gr.A/B/C |
| Manufacturing Process | ERW (Electric Resistance Welding) |
| Surface Treatment | Hot-Dip Galvanized (zinc coating ≥ 40–85μm) |
| Zinc Coating Standard | ASTM A123 / ISO 1461 / EN ISO 1461 |
| Ends | Plain ends, mill cut, or beveled for welding |
| Tolerance | ±0.5mm (OD), ±10% (wall thickness) per standard |
Key Features & Advantages
🔹 1. Superior Structural Strength
High strength-to-weight ratio for load-bearing applications
Excellent resistance to bending, torsion, and compression
Uniform mechanical properties in all directions
🔹 2. Aesthetic & Functional Design
Clean, square profile with sharp corners
Smooth, uniform galvanized surface finish
Natural silver-gray appearance complements modern architecture
🔹 3. Easy Fabrication & Installation
Easy to cut, drill, weld, and bolt
Compatible with standard fittings and connectors
Lightweight for reduced transportation and handling costs
🔹 4. Corrosion-Resistant for Harsh Environments
Withstands humidity, rain, salt spray, and industrial pollutants
Suitable for coastal, underground, and chemical-exposed environments
500+ hours salt spray tested (ASTM B117)
🔹 5. Cost-Effective Over Lifecycle
Long service life reduces replacement frequency
Minimal maintenance = lowest total cost of ownership
100% recyclable at end of life (eco-friendly)
🔹 6. Globally Certified Quality
Compliant with ASTM, EN, JIS, AS/NZS, GB standards
ISO 9001 certified manufacturing
Third-party inspection (SGS/BV/TUV) available
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