MULTI-COMBINATIONAL DEGENERATED LOW-ZINC HOT-DIPPED ALUMINUM-GALVANIZED ALLOY PLATING MATERIAL CONTA

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Multi-combinational degenerated low-zinc hot-dipped aluminum-galvanized alloy plating material containing Mg and a preparation method therefor. The alloy plating material comprises, based on the weight percent of the elements, Zn 28, Mg 10-4-15, an alloy reinforcing agent 10-4-6.0, a solvent passivator 10-4-1.0, a precipitation hardening agent 10-4-0.5, a grain refiner 10-4-1.0, a rare earth additive 10-4-1.0, a matrix interfacial reaction buffer 0.001-2.0, and the remaining being Al and inevitable trace impurities.