Hot Dipped Galvanized Steel Tubing for Construction
Hot Dipped Galvanized Steel Tubing for Construction
- Mill Test Certificate Provided
- Strict Quality Inspection
- Custom Sizes Available
- On-Time Global Delivery
Our Hot Dipped Galvanized Steel Tubing is produced by immersing welded carbon steel tube into molten zinc, forming a tightly bonded zinc-iron alloy layer on both inner and outer surfaces. This HDG process delivers outstanding long-term corrosion protection for outdoor, humid and coastal construction environments. We supply round galvanized steel tubing, and also provide square / rectangular galvanized tubing upon request. It is a cost-effective structural material for building projects worldwide.
Key Features
- Superior Anti-Corrosion: Thick & uniform zinc coating, resists rust, moisture and salt fog, long service life for outdoor use.
- High Mechanical Strength: Q235B / Q355B carbon steel substrate, good load-bearing capacity.
- Good Workability: Easy to cut, bend, weld, punch and fabricate on site.
- Full Coating Coverage: Zinc layer covers all corners and weld seams, no unprotected dead spots.
- Custom Processing: Available for threading, beveling, cutting to fixed lengths.
- Certified Quality: Meet ASTM A53, ASTM A123, EN 10219, GB/T3091 standards; MTC certificate available
Hot Dipped Galvanized Steel Tubing Specification
| Item | Available Range |
|---|---|
| Product | Hot Dipped Galvanized Steel Tubing / Galvanized Steel Pipe / HDG Steel Tube |
| Type | Round / Square / Rectangular / Oval / Special Shaped |
| Material Grade | Q195 / Q235 / Q345 / S235JR / S275JR / S355JR / SS400 / STKR400 / STK400 / STK500 / ASTM A500 Gr.A / Gr.B / Gr.C |
| Standard | ASTM A500 / ASTM A53 / EN 10219 / EN 10255 / GB/T 6728 / GB/T 3091 / JIS G3444 |
| Surface Treatment | Hot Dipped Galvanized / Pre-Galvanized / Oiled / Painted / Powder Coated |
| Zinc Coating | 40 – 600 g/m² / Customized |
| Outer Diameter (Round) | 10 – 1000 mm / Customized |
| Side Length (Square / Rectangular) | 10 x 10 – 600 x 600 mm / 10 x 20 – 400 x 600 mm / Customized |
| Wall Thickness | 0.5 – 20 mm / Customized |
| Length | 1 – 12 m / Customized (5.8 m / 6 m / 12 m Standard) |
| End Finish | Plain End / Beveled End / Threaded End / Grooved End / Plastic Caps |
| Processing | Cutting / Bending / Punching / Drilling / Welding / Threading / Grooving / CNC Machining |
| Tolerance | According to Standard / Customized |
| Application | Construction / Scaffolding / Greenhouse / Fence / Guardrail / Steel Structure / Furniture / Automotive / Mechanical |
| Packing | Hexagonal Bundles / Steel Strip Bundles / Wooden Pallets / Standard Export Seaworthy Packing |
| MOQ | Based on Grade, Size, Wall Thickness & Specification |
| Inspection | MTC / Third-Party Inspection Available |
| Customization | Grade / Shape / Outer Diameter / Wall Thickness / Length / Zinc Coating / End Finish / Processing Available |
Applications
- Building structural frames & supports
- Fence posts, guardrails, handrails
- Scaffolding & greenhouse frames
- Water & low-pressure gas pipelines
- Municipal engineering, outdoor infrastructure
- Carport, truss and mechanical frames
- Factory price directly
- Quick shippment
Packaging & Shipment
Packed in bundles with steel strapping. Suitable for 20GP / 40GP / 40HQ container loading.
FAQ
Q: How can we trust your company?
A: We specialize in steel business for many years, you are welcome to investigate in any way,anyway, you can place an order on Alibaba, with trade assurance, which can ensure your payment.
Q: How do you guarantee the quality?
①We have passed ISO9001, SGS, CE and other certifications;
②Always have pre-production samples before mass production,and always do final inspection before shipment;
③Acceptable third-party inspection.
Q: About the product price?
A: Due to the cyclical changes in raw material prices, prices vary from period to period. You can consult us, you can communicate with us online through the platform, We Chat, WhatsApp and other platforms, and we will reply within 24 hours. Please give us your requirements and specifications (steel grade, size, quantity, destination port), and we will work out the best price at the first time.
Q: Can I visit your factory?
A: Of course, we welcome customers from all over the world to visit our factory. However, some factories are not open to the public.
Q: Can you send samples?
A: Of course, we can send samples to all over the world, our samples are free,but customers need to bear the express cost.
Q: How long is your delivery time?
A: Generally speaking, our delivery time is within 15-45 days, if the demand is particularly large or there are special circumstances, the delivery time may be delayed.
