To secure adequate resistance to scratching on the surface of a metallic sheet which is aimed at the use in the living environment and also to provide a system kitchen unit using the metallic sheet provided with this adequate resistance to scratching effectively.

Uneven cross-sectional shapes 2 having the vertical height H=10-100 μm are formed on the surface of the metallic sheet 1 so that the area ratio 2 of projecting and recessing parts per unit area is in the range of 9:1-5.5 and also fine projecting and recessing parts 3 having the ten point average of coarseness Rz=5-50 μm are formed on the surface of the projecting parts 2a of these uneven cross-sectional shapes 2.