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Abstract

Provided is a method for manufacturing a plated steel sheet. The method includes: performing continuous casting on steel containing, by wt %, 0.003 to 0.009% of C, 0.05% or less of Si, 0.4 to 1.0% of Mn, 0.04 to 0.09% of P, 0.01% or less of S, 0.005% or less of N, 0.1% or less of S·Al, 0.03 to 0.08% of Mo, 0.005 to 0.03% of Ti, 0.02 to 0.045% of Nb, 0.06 to 0.15% of Cu, 0.003% or less of B, and a balance of Fe and unavoidable impurities; reheating a slab obtained by the continuous casting; providing a hot-rolled steel sheet by hot rolling the reheated slab; coiling the hot-rolled steel sheet; providing a cold-rolled steel sheet by cold rolling the hot-rolled steel sheet; annealing the cold-rolled steel sheet; and hot-dip galvanizing the annealed cold-rolled steel sheet by immersing the annealed cold-rolled steel sheet in a zinc-based plating bath.

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First Claim