Products Specifications
| Parameter | Details |
|---|---|
| Material | Carbon steel (SGCC, DX51D, S275JR) |
| Galvanizing Type | Hot-dip (HDG) / Electro-galvanized (EG) |
| Standard Sizes | 20x20mm to 150x150mm (Custom up to 300x300mm) |
| Wall Thickness | 1.0mm - 6.0mm (SCH 20 - SCH 80) |
| Length | 5.8m/6m standard (Custom 2m-12m) |
| Zinc Coating | 80-120μm (HDG), 10-20μm (EG) |
| Standards |
ASTM A500, EN 10219, JIS G3463, GB/T 3094 |
Products
1. Superior Corrosion Resistance
Hot-dip galvanized (HDG) coating (60-275g/m² zinc) protects against rust in harsh environments (marine, industrial, high-humidity).
Longer lifespan (20-30 years) compared to painted or untreated steel.
Salt spray test passes 500+ hours (ASTM B117).
2. High Strength & Durability
Structural integrity: Made from Q235B/Q355B steel (Yield strength: 235-355 MPa).
Weld-friendly: Clean zinc layer allows direct welding without pre-treatment.
Impact-resistant: Withstands heavy loads in construction and machinery.
3. Precision Manufacturing
Tight tolerances: ±0.5mm on dimensions (20x20mm to 150x150mm).
Smooth surfaces: Minimal spangle for better paint/powder coating adhesion.
Straightness: ≤1.5mm deviation per 6m length.
4. Cost-Effective & Low Maintenance
No painting required: Zinc coating provides ready-to-use protection.
Reduced replacement costs: 2-3x longer service life vs. non-galvanized tubes.
5. Versatile Applications
Construction: Steel frameworks, roof trusses, scaffolding.
Infrastructure: Guardrails, signage frames, bus shelters.
Industrial: Conveyor systems, machinery guards, storage racks.
Applications
Construction: Steel frameworks, roof trusses
Infrastructure: Guardrails, signage frames
Industrial: Machinery guards, conveyor systems
Furniture: Shelving, display racks
FAQ
Q: How does your zinc coating compare to competitors?
A: We use top-grade zinc (99.995% pure) with air knife control for uniform coating (±5μm variation).
Q: Can you match specific color codes for powder coating?
A: Yes! Provide RAL/Pantone codes – we support 200+ colors with 5-year warranty.
Q: What's the MOQ for custom sizes?
A: 3 tons for standard galvanized, 10 tons for special coatings.