This Hot dip Zinc Solar Support Bracket has its structure professionally calculated for mechanical load by Shixinda manufacturers. It has excellent wind and snow resistance performance and can be adapted to various complex photovoltaic project scenarios such as mountainous areas, tidal flats, agricultural-photovoltaic hybrid, and industrial-commercial rooftops. The support frame adopts a modular prefabrication design, with precise drilling of components and standardized specifications. It is combined with a complete set of the same-process hot-dip zinc fasteners, eliminating the problem of electrochemical corrosion caused by the contact of different metals. The on-site assembly is convenient, significantly improving construction efficiency and shortening the construction period.
Relying on a mature steel supply chain, Shixinda offers customized support specifications and rapid supply of large quantities. Each batch of products undergoes strict quality inspection and provides complete inspection materials to meet project bidding and acceptance standards. Compared with other support products, its procurement and operation costs are lower, with outstanding cost performance. It is the preferred matching product for various photovoltaic projects.
Process route: First forming, then galvanizing. Cold bending the steel into components and then immersing the entire assembly in molten zinc liquid.
Raw materials: Q235B/Q355B carbon structural steel, in accordance with GB/T 6723-2017 standard
Cold bending forming: Unrolling and straightening → Multiple passes of rolling forming (C/U/Z-shaped sections) → Cut to standard length → Hydraulic punching
Pre-treatment before plating (most critical): Degreasing → Water washing → Acid washing → Water washing → Auxiliary plating agent → Drying, ensuring a clean surface without water stains
Core of hot-dip galvanizing: Zinc liquid temperature 440~460℃, immersion and galvanizing for 1~5 minutes, coating consisting of pure zinc layer + Fe-Zn alloy layer
Thickness standard (GB/T 13912): 1.5~3mm steel plate ≥ 55μm, 3~6mm steel plate ≥ 70μm, ≥ 6mm steel plate ≥ 85μm
Post-treatment after plating: Remove zinc nodules → Cool down → Chrome salt passivation → Rinse and dry → Inspection
Corrosion protection principle: Zinc layer acts as a sacrificial anode protection + physical barrier dual effect
Design life: More than 25 years, salt spray test can reach 1000 hours
Quality inspection: Thickness of coating, adhesion, appearance inspection, salt spray test four checks
1. Full-piece hot-dip zinc coating, 25-year long-lasting anti-corrosion. The entire set of brackets, bolts, clamps, and connecting pieces are uniformly treated with hot-dip zinc coating. In accordance with the national standard GB/T13912-2020, the zinc layer is thick and uniform, with no missed coating corners. By relying on the zinc layer as a sacrificial anode for protection, it does not rust and completely eliminates the electrochemical corrosion caused by ordinary "galvanized profiles + ordinary bolts", ensuring maintenance-free throughout the entire life cycle of the power station.
2. Hot-dip Zinc Solar Support Bracket uses high-strength materials, ensuring stable and safe load-bearing. It is made of Q235B/Q355B national carbon steel base material. The structure has been professionally calculated for wind and snow loads, with strong rigidity and less prone to deformation. It can be adapted to mountainous areas, tidal flats, and regions with frequent snow and wind, having excellent wind and snow resistance performance, meeting the long-term safe operation standards of photovoltaic power stations.
3. Modular prefabrication, high installation efficiency. The factory precisely punches holes and standardizes the shape. No welding or secondary processing is required on-site. The entire process is bolt assembly, significantly shortening the construction period and reducing labor costs. It is compatible with various projects such as ground, roof, and agricultural photovoltaic hybrid.
4. Complete set supply, no worries during acceptance. No disassembly or reduction of components. Main and auxiliary materials, accessories, and fasteners are all provided in one package. Uniform quality inspection is conducted by batches. Material lists, zinc coating test reports can be provided. The complete set of materials is perfect for bidding and third-party acceptance.
Shixinda hot-dip galvanized photovoltaic support is based on the resources of the China steel pipe industrial cluster in Daxiu Zhuang, Tianjin, achieving integrated processing of steel pipe substrates, forming, and hot-dip galvanizing for corrosion prevention. The product uses Q235B/Q355B national standard steel pipe profiles, strictly following the GB/T13912-2020 hot-dip galvanizing national standard. The main body of the support, pressure blocks, and bolts are all subjected to complete hot-dip galvanizing treatment, with uniform zinc coating and no missed coating. It relies on sacrificial anode protection to achieve long-term 25-year corrosion prevention for photovoltaic power stations, and is maintenance-free in the future.
The structure has been verified for wind and snow load, with stable strength, suitable for various projects such as ground, agricultural-photovoltaic hybrid, mountainous areas, and commercial and industrial rooftops. The factory performs modular prefabrication processing, and on-site assembly is convenient, with high construction efficiency. Relying on the local steel pipe industry chain, it can undertake large-scale orders, support customized non-standard drawings, and provide prompt supply response. The complete set is delivered and can provide complete material and galvanizing inspection data, meeting bidding and project acceptance requirements. Leveraging the scale advantages of the domestic steel pipe industry, the comprehensive procurement and operation and maintenance costs are lower, making it the preferred product with high cost-effectiveness for domestic photovoltaic projects.
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S213 Jinghai District, Tianjin City, China
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