Anti-corrosion requirements for steel used in photovoltaic brackets

Which material should be used for photovoltaic (PV) support structures?

When it comes to selecting the material for photovoltaic (PV) support structures, it generally adopts Q235B steel and aluminum alloy extrusion profile AL6005-T5. Each material has its advantages and considerations, and the choice depends on various factors. Let’s compare steel and aluminum for PV support structures:

What is the best material for a PV bracket?

This characteristic makes aluminum a suitable choice for PV installations in coastal areas or locations with high humidity. At present, the main anti-corrosion method of the bracket is hot-dip galvanized steel with a thickness of 55-80 μm, and aluminum alloy with anodic oxidation with a thickness of 5-10 μm.

What is solar photovoltaic bracket?

Solar photovoltaic bracket is a special bracket designed for placing, installing and fixing solar panels in solar photovoltaic power generation systems. The general materials are aluminum alloy, carbon steel and stainless steel. The related products of the solar support system are made of carbon steel and stainless steel.

What types of solar photovoltaic brackets are used in China?

At present, the solar photovoltaic brackets commonly used in China are divided into three types: concrete brackets, steel brackets and aluminum alloy brackets. Concrete supports are mainly used in large-scale photovoltaic power stations. Because of their self-weight, they can only be placed in the field and in areas with good foundations.

What materials are used in solar support system?

The general materials are aluminum alloy, carbon steel and stainless steel. The related products of the solar support system are made of carbon steel and stainless steel. The surface of the carbon steel is hot-dip galvanized and will not rust for 30 years in outdoor use.

What materials are used in solar stents?

Highly wear-resistant materials are used in the solution to resist wind and snow loads and other corrosive effects. Comprehensive use of aluminum alloy anodic oxidation, ultra-thick hot-dip galvanizing, stainless steel, anti-UV aging and other technical processes to ensure the service life of solar stents and solar tracking.