Cold Formed Welded Structural Hollow Section Tube Square And Rectangular Tube
Product Details
| Type Of Coating: | Hot Dipped Galvanized | Standard: | ASTM ASME GB DIN EN |
|---|---|---|---|
| Product Name: | Galvanised Steel Pipes | Wall Thickness: | 0.8mm-2.75mm |
| Usage: | Building Structure(green House) | Joiningmethod: | Welding, Threading |
| Surface Treatment: | Galvanized | Outer Diameter: | 10mm – 325mm |
| Highlight |
galvanized steel square tube,cold formed welded hollow section,rectangular structural steel tube |
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Product Description
Pre-galvanized steel pipes are manufactured from galvanized steel strips through high-frequency ERW welding technology. With a uniform zinc coating and stable mechanical performance, these pipes are widely used in construction, scaffolding, greenhouse systems, and furniture manufacturing.
- Uniform zinc coating for corrosion resistance
- Smooth surface, suitable for further processing
- High precision in diameter and thickness
- Strong weld seam with ERW technology
- Available in standard and customized specifications
- Cost-effective alternative to hot-dip galvanized pipes
| Commodity | Hot dipped and pre-galvanized steel pipe |
|---|---|
| OD | 20 – 112 (square or rectangular) |
| Thickness | 0.7 – 2.3 |
| Length | 4000 – 13000 / 5000 – 10000 or as per customers' requirements |
| Material | Q195-Grade B, SS330, SPC, S185; Q215-Grade C, CS Type B, SS330, SPHC; Q235-Grade D, SS400, S235JR, S235JO, S235J2; Q345-SS500, ST52 |
| Standard | GB/T13793-1992, GB/T14291-2006, GB/T3091-1993, GB/T3092-1993, GB3640-88, BS1387/1985, ASTM A53/A36, EN39/EN10219, API 5L, GB/T9711.1-99 etc |
| Zinc Coating | Pre galvanized: 60-150g/m²; Hot dipped galvanized: 200-400g/m² |
| Application | Structure, Accessories, Construction, Fluid transportation, machinery parts, automotive stress parts, tractor parts |
| Package | Big OD: in bulk; Small OD: packed by steel strips; Plastic bags; According to customer's requirement |
| Delivery | Normally 7-20 days after deposit or according to quantity |
| Certification | ISO 9001-2008, BV, TUV, SGS |
Steel Coil → Slitting → Forming → ERW Welding → Sizing → Cutting → Passivation → Packing
This continuous production ensures:
- Stable welding seam
- Accurate dimensions
- Consistent coating
| Feature | Pre Galvanized Pipe | Hot Dip Galvanized Pipe |
|---|---|---|
| Zinc Layer | Thin & uniform | Thick |
| Surface | Smooth | Rough |
| Cost | Lower | Higher |
| Application | Indoor/light outdoor | Outdoor/ heavy corrosion |
Conclusion: pre galvanized pipe is the best choice for projects requiring cost efficiency+clean surface+stable supply.
- Construction structures
- Scaffolding systems
- Greenhouse frames
- Furniture manufacturing
- Fencing & railing systems
- Mechanical tubing
- Packing (Bundles / Seaworthy Packaging)
- Tagging
- Weight Checking
- Trucking / Shipment
Product Highlights
Cold Formed Welded Structural Hollow Section Tube Square And Rectangular TubeProduct DescriptionPre-galvanized steel pipes are manufactured from galvanized steel strips through high-frequency ERW welding technology. With a uniform zinc coating and stable mechanical performance, these pipes are ...
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