Patent ID: 11913117
Assignee: HYUNDAI STEEL COMPANY
Field: Surface technology, coating (Chemistry)
Classification: CPC C  B  F | IPC B  C  F

Claim 0:
1. A hot-stamping component comprising:
a base steel plate; and
a plated layer on the base steel plate, the plated layer comprising a first layer, a second layer, and an intermetallic compound portion having an island shape in the second layer;
wherein the first layer and the second layer are sequentially stacked, and
wherein an area fraction of the intermetallic compound portion with respect to the second layer is 20% to 60%.
wherein the first layer includes an α-Fe phase or an Fe3Al2 phase and the second layer includes at least one of an FeAl3 phase and an Fe2Al5 phase, and
wherein an average grain size of the second layer is 3 μm to 15 μm.