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Galvanized aluminum-zinc coil


Galvanized strip steel is produced by coating cold-rolled or hot-rolled, long and narrow steel strips with varying thicknesses of zinc or a zinc alloy.

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Galvanized coil


Galvanized coil is a type of thin steel sheet whose surface has been coated with a layer of zinc by immersing it in a molten zinc bath. Currently, the predominant production method is continuous galvanizing, in which coiled steel sheets are continuously passed through a zinc‑rich molten bath to produce galvanized steel sheets.

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Zinc-Aluminum-Magnesium Coil


With regard to the application of zinc–aluminum–magnesium products in the highway guardrail sector, the group standard T/CECS 10434-2024, “Steel Strip with Continuous Hot‑Dip Zinc–Aluminum–Magnesium Alloy Coating for Highway Guardrails,” has been in effect since May 1, 2025, providing technical support and a normative basis for the use of zinc–aluminum–magnesium alloy‑coated steel sheets in highways, bridges, and other industries.

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