FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy, namely to hot-stamped steel part with coating used in automotive industry for production of structural elements providing protection against penetration or absorption of impact energy during collision. Part comprises a steel substrate and an aluminium alloy coating on at least one side of the steel substrate. Coating comprises, starting from steel substrate outward, opposite diffusion layer and outer layer. Part with coating contains non-deformed part with thickness ePflat 0.6–3.5 mm, and at least one deformed part.
EFFECT: part has required paint adhesion and weldability at spot welding.
26 cl, 3 dwg, 3 tbl
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