Patent ID: 8614008

Claim:
A plate, comprising: (A) a steel substrate; and (B) a precoat comprising (b 1 ) a layer of intermetallic alloy and (b 2 ) a layer of metal alloy, wherein the layer of intermetallic alloy (b 1 ) is in contact with the substrate (A), and the layer of intermetallic alloy (b 1 ) is topped by the layer of aluminum alloy (b 2 ), wherein, on at least one precoated face of the plate, an area (C) situated at a periphery of the plate has the layer of aluminum alloy (b 2 ) of the precoat (B) removed, while leaving in place the layer of intermetallic alloy (b 1 ), and wherein the precoat is produced by immersion in a bath of molten aluminum alloy.