Compare the corrosion performance of aluminum profiles and steel photovoltaic mounting brackets
How does the corrosion performance of aluminum profiles and steel photovoltaic mounting brackets compare?
Aluminum alloy profiles have various surface treatment methods, such as anodizing, chemical polishing, fluorocarbon spraying, and electrophoretic coating. They are aesthetically pleasing and can withstand environments with strong corrosive conditions. Steel, on the other hand, typically uses methods like hot-dip galvanizing, surface spraying, or paint coatings. Its appearance is inferior to aluminum alloy profiles, and its corrosion resistance is also weaker.
Aluminum alloy profiles are lightweight, aesthetically attractive, and have excellent corrosion resistance. They are typically used in residential rooftop solar power stations or environments with high corrosion levels. Steel, however, has high strength and minimal deflection under load, making it more suitable for general power stations or components subject to heavy loading.
Regarding cost: under normal conditions (wind pressure around 0.6 kN/m² and span under 2 meters), the cost of aluminum alloy mounting brackets is approximately 1.3-1.5 times higher than that of steel structure mounting brackets. However, the cost difference between aluminum alloy and steel structure mounting brackets is relatively small. Additionally, aluminum alloy brackets are much lighter than steel ones, making them ideal for residential rooftop installations.
This concludes the comparison of the corrosion performance of aluminum profiles and steel photovoltaic mounting brackets, as introduced by Hengyuantai.