Solar PV racking is a structural system for mounting solar photovoltaic panels that provides support, stabilization, and angling of the panels. Solar PV racking is usually available in the following materials:

1. Steel Racking: Steel is one of the most commonly used solar PV racking materials. It has high strength, corrosion and weather resistance, stable quality, mature manufacturing process, high load capacity, and can provide a reliable support structure. Steel is strong and durable and is suitable for a wide range of climatic conditions and environments. Different types of steel, such as hot-dip galvanized steel or stainless steel, can be selected according to specific needs. Widely used in civil, industrial solar PV and solar power stations.

2. Aluminum alloy bracket: Aluminum is also a common solar PV bracket material. Compared with steel, aluminum has lower density and good corrosion resistance, which makes it suitable for use in seaside areas or high humidity environments. In addition, aluminum also has better processing properties, allowing for lighter, simpler designs.. In addition, aluminum alloys are slightly more expensive than hot-dip galvanized steel. It is generally used for rooftop solar applications in residential buildings.

3. Carbon fiber composites: Carbon fiber composites are used in some high-end PV racking systems. Carbon fiber has very high strength and lightweight characteristics, but also has excellent corrosion and weather resistance. The material has excellent tensile strength, which can help reduce weight loads and improve the performance of the racking system.

When choosing the right solar PV racking, you need to consider the following aspects:

1. Corrosion resistance: Since solar PV systems need to be exposed to outdoor environments for long periods of time, the racking material should have good corrosion resistance and be able to resist the corrosion of the material by rain, humidity and salt spray.

2. Strength and stability: the racking material should have enough strength and stability to withstand the weight of the solar panels and face the wind pressure and vibration under different climatic conditions.

3. Maintenance cost: Different materials may require different levels of maintenance. Considering the cost of long-term use, it may be more economical to choose materials that are easy to maintain and durable.

4. Sustainability: Choosing materials that are recyclable and reusable can help reduce environmental impact and meet the requirements of sustainable development.

When choosing, it is recommended to consider the above factors and make the best choice by taking into account the needs of the specific project, the budget and the local climate conditions.Powerack mainly provides aluminum alloy bracket and cooperates with high quality aluminum material manufacturers to ensure the quality of the product.So, if looking for solar PV mounting system, contact us!