Zinc-aluminum-magnesium Zn-al-mg Steel Coil Superdyma For ...
Mg-Al-Zn Coating Steel Coil Aluminum-magnesium-zinc steel plate is a new type of high-corrosion-resistant coated steel plate. The composition of the galvanized layer is mainly zinc, which is composed of zinc plus 11% aluminum, 3% magnesium (or 3% aluminium,1.5% magnesium) and a trace amount of silicon.
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