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摘要

FIELD: manufacturing technology.SUBSTANCE: invention relates to the production of Al-plated steel sheet used for hot pressing. It has excellent hot lubricity, excellent corrosion resistance after coating and excellent spot weldability. Al-plated steel sheet includes a steel sheet, an Al deposit layer formed on one or both surfaces of the steel sheet, and a surface film layer formed on the Al deposit layer. Surface film layer comprises a zinc compound, the zinc compound adheres to the Al deposit layer of the steel sheet in an amount, equal or greater than 0.3 g/mand equal to or less than 1.5 g/m, defined as the amount of metallic zinc per surface, and the weight of the zinc coating in any continuous area of 1 mm, defined as the maximum amount of precipitated zinc in the measurement area, obtained by performing an analytical mapping of the zinc distribution on the surface of Al-plated steel sheet using an electron probe microanalyzer (EPMA) is 1.5 g/mor less.EFFECT: invention relates to the creation of an Al-plated steel sheet used for hot pressing.20 cl, 1 dwg, 2 tbl