FIELD: process engineering.
SUBSTANCE: invention relates to fabrication of part by hot forming from electroplated steel sheet. Steel sheet to this end comprises the main steel sheet, play of electroplated coat produced on the main steel sheet surface, coat weight making 10-90 g/m2 and containing 10-25 wt % Ni Zn and unavoidable impurities making the rest. Note here that η phase content in electroplated coat ply makes 5 wt % or less. Proposed process comprises heating of said steel sheet from Ac3 conversion point to 1000°C and hot forming of heated steel sheet.
EFFECT: fine adhesion and oxidation stability.
7 cl, 15 tbl, 2 ex
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