Manufactured with high-quality AL6005 aluminum, this railing system is durable and corrosion-resistant, ensuring long-lasting performance in various weather conditions. The system is also ISO, CE, and Rohs certified, guaranteeing compliance with international quality and safety standards.
| Material |
aluminum alloy |
Grade |
6005,etc |
| Size |
Refer to the blueprint |
Wall Thickness |
1.5-2.5mm |
| Zinc Coating |
Anodic oxidation coating |
Weight/Piece |
0.07-0.09 kg |
| Inventory Specification |
Refer to the blueprint |
Customization |
Yes |
|
|
Anodic oxidation |
Service Life |
over 25 year |
| Transport Package |
Bundled straps, wooden boxes, or wooden pallets |
Spot Inventory Quantity |
10000 Tons |
| Annual Capacity |
1000000 Tons per year |
Delivery Time |
3-45 Days |
| Samples |
Free |
Payment Method |
TT,alipay,wechat,bank card,etc |
| Accept OEM or not |
can accept oem odm |
Production Capacity |
2000 Ton/Week |
| Country Of Origin |
Tianjin China |
Corrosion Resistance |
very strong |
Q1: Why combine hot-dip galvanized steel with aluminum alloy in solar racking rails?
A: This hybrid design leverages the strength of steel (Q235B or S355JR grades) for load-bearing capacity and the corrosion resistance of aluminum alloy (e.g., 6005-T5) for harsh environments. Hot-dip galvanized steel provides a durable zinc coating (60-80μm) to resist rust, while aluminum components prevent electrochemical corrosion at connection points, ensuring a lifespan of 25-30 years.
Q2: How does hot-dip galvanizing (HDG) enhance corrosion resistance compared to electro-galvanizing?
A: HDG involves immersing steel in molten zinc at 440-465°C, forming a metallurgical bond that offers 20-30 years of protection in coastal or high-humidity areas. Electro-galvanized coatings are thinner (5-15μm) and suitable only for indoor use, while HDG's robust zinc layer withstands salt spray, UV exposure, and freeze-thaw cycles.
Q3: What certifications ensure the quality of these solar racking rails?
A: Reputable suppliers comply with:
ISO 9001 (quality management) and ISO 1461 (HDG standards).
UL 2703 for electrical bonding and mechanical strength in solar applications.
RoHS to exclude hazardous substances like lead or cadmium.
Certifications validate corrosion resistance, load capacity, and fire safety for global projects.
Q4: Can these rails be customized for unique project requirements?
A: Yes. Factories offer:
Custom lengths: Up to 12m for steel rails and 6m for aluminum.
Adaptable designs: Slotted holes for tilt adjustments (10°-30°), perforations for cable management, or reinforced joints for high-wind regions.
Material flexibility: Zinc-aluminum-magnesium coatings for extreme environments or powder-coated finishes for aesthetics.
Q5: What load capacities and warranties are typical for wholesale orders?
A:Steel rails: Support static loads up to 200 kg/m² and wind speeds ≤130 km/h.
Aluminum rails: Ideal for lighter setups (100-300 kg/m²) with superior corrosion resistance.
Warranty: 10-12 years for HDG steel and 20-25 years for aluminum alloy, contingent on proper installation and environmental conditions.
Audited Supplier 
){kind=link}