FIELD: metallurgy.
SUBSTANCE: invention relates to tool for hot forming steel sheet with AlSi coating, having a CrxSiyNz coating, where x: 40-69 wt%, y: 1-20 wt% and z: 30-40 at%, as well as to use of said tool as a tool for hot forming a steel sheet with AlSi coating.
EFFECT: tool is provided with coating, having sufficient abrasive wear resistance, sufficient adhesion wear resistance and sufficient thermal stability, wherein coating improves protection against friction corrosion, observed on AlSi coated steel sheets after hot forming of metal sheets, compared to coatings used in present time.
6 cl
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