Supports treated with the zinc-aluminum-magnesium alloy coating process are referred to as zinc-aluminum-magnesium supports. In recent years, zinc-aluminum-magnesium supports have gradually emerged as a rising star in the support industry, promoting environmental sustainability, cost-effectiveness, and sustainable development in the support and hanger sector.
1. Superior Corrosion Resistance: The coating of hot-dip zinc-aluminum-magnesium supports is enhanced with alloying elements such as Al, Mg, and Si, significantly improving its corrosion inhibition. Compared to ordinary galvanized supports, it achieves higher corrosion resistance with a lower coating adhesion, offering 10–20 times the corrosion resistance of hot-dip galvanized supports.
2. Excellent Workability: Hot-dip zinc-aluminum-magnesium supports have a denser coating compared to traditional galvanized supports, making them less prone to coating peeling during stamping processes. They exhibit outstanding performance in stretching, stamping, bending, and welding under demanding conditions. Additionally, due to the higher hardness of the coating, they possess remarkable wear resistance and damage tolerance.
3. Self-Healing Propertie: The coating components around cut edges continuously dissolve, forming a dense protective film primarily composed of zinc hydroxide, basic zinc chloride, and magnesium hydroxide. This protective film has low conductivity and effectively inhibits corrosion at the cut edges.
4. Extended Lifespan: With corrosion resistance 10–20 times greater than that of ordinary galvanized materials and the self-healing protective capability at cut edges, zinc-aluminum-magnesium supports typically have a service life of up to 50 years.
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