Galvanized Square & Rectangular Hollow Sections for Commercial Buildings, PV Structures and Heavy-Duty Fabrication
उत्पाद विवरण
| लेप का प्रकार: | जिंक की परत चढ़ा हुआ | मानक: | ASTM ASME GB DIN EN |
|---|---|---|---|
| प्रोडक्ट का नाम: | गैल्वेनाइज्ड स्टील वर्गाकार और आयताकार पाइप | दीवार की मोटाई: | 0.8मिमी-2.75मिमी |
| प्रयोग: | भारी शुल्क निर्माण | जुड़ने की विधि: | वेल्डिंग, थ्रेडिंग |
| सतह का उपचार: | जस्ती | मानक लंबाई: | 3मी, 6मी, 9मी, 12मी |
उत्पाद वर्णन
Galvanized Square Hollow Sections (SHS) and Rectangular Hollow Sections (RHS) are zinc-coated structural steel products developed for applications requiring long-term corrosion resistance and reliable mechanical performance. Manufactured through precision forming and welding processes, these hollow sections combine lightweight construction with high structural strength.
The galvanized surface treatment significantly improves resistance to oxidation, moisture, and environmental exposure, making these tubes suitable for outdoor structures, industrial facilities, transportation projects, and renewable energy installations.
Compared with painted or untreated steel, galvanized hollow sections offer a longer operational lifespan and lower maintenance requirements throughout the project lifecycle.
Solution
Galvanized square and rectangular tubing provides an effective anti-corrosion solution through a metallurgically bonded zinc coating.
- Outstanding atmospheric corrosion resistance
- Uniform zinc layer coverage
- Excellent dimensional consistency
- High structural efficiency
- Good weldability and machinability
- Reduced maintenance over service life
The galvanized coating acts as the first line of defense against environmental degradation while preserving the strength of the underlying steel.
| Technical parameter | Value |
| Product Category | Galvanized Square Tube / Rectangular Tube |
| Material Grade | Q195, Q235, Q355, ASTM A500 |
| Tube Type | SHS / RHS |
| Production Method | Cold Formed Welded Section |
| Surface Treatment | Hot-Dip Galvanized / Pre-Galvanized |
| Square Size Range | 20*20 mm – 500*500 mm |
| Rectangular Size Range | 20*30 mm – 1000*800 mm |
| Wall Thickness | 0.8 mm – 16 mm |
| Zinc Coating Thickness | 60–275 g/m² |
| Standard Length | 3m, 6m, 9m, 12m |
| Size(mm) | Quantity(kg/m) | zinc coating(um) | Applicable scenarios |
|---|---|---|---|
| 20x20x1.5 | 0.89 | 60~80 | Lightweight steel structures, shelves, and decorative structures |
| 40x40x2.0 | 2.31 | 60~80 | Building scaffolding, guardrails, and small supports |
| 50x50x2.5 | 3.77 | 60~80 | Mechanical framework, equipment support, fence |
| 80x80x3.0 | 7.07 | 60~80 | Industrial factory building columns, bridge supports, photovoltaic supports |
| 100x100x4.0 | 11.73 | 60~80 | Heavy steel structure, tower crane foundation, large equipment base |
| 150x100x3.5 | 13.4 | 60~80 | Special-shaped structures, curtain wall keels, municipal landscape supports |
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.
| Application Type | Recommended Section |
|---|---|
| Light Framework | 20*20 mm – 80*80 mm |
| General Construction | 100*100 mm – 200*200 mm |
| Heavy Structures | 250*250 mm – 500*500 mm |
Normal Conditions
Standard zinc coating
Coastal or Industrial Areas
Higher zinc coating recommended
Hot-dip galvanized finish preferred
For projects requiring cutting, drilling, or welding, select tube dimensions and thicknesses compatible with the fabrication process.
- Packing (Bundles / Seaworthy Packaging)
- Tagging
- Weight Checking
- Trucking / Shipment
Q1: Why are galvanized hollow sections widely used in construction?
Because they provide a combination of structural strength, corrosion resistance, and low maintenance costs.
Q2: Which is better for outdoor projects, hot-dip galvanized or pre-galvanized tubing?
Hot-dip galvanized tubing generally offers thicker zinc protection and better long-term outdoor performance.
Q3: Can galvanized rectangular tubes be used for solar panel support structures?
Yes. Their durability and corrosion resistance make them ideal for photovoltaic mounting systems.
Q4: What standards can be supplied?
Products can be manufactured according to ASTM, EN, BS, JIS, and GB standards.
Q5: Are customized dimensions available?
Yes. Custom sizes, wall thicknesses, lengths, and fabrication services are available according to project specifications.
उत्पाद हाइलाइट्स
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