To provide a pneumatic tire and its non-destructive inspection method capable of distinguishing the boundary between rubber layers constituting the tire in the inspection.

The pneumatic radial-ply tire 1 is equipped with a pair of bead parts 10, a carcass 12 consisting of at least two carcass plies, at least two belt layers 15, a tread part 20, and side wall parts 30. Fine powder of metal is included in the coating rubber of at least two carcass plies, wherein the concentration of the metal powder differs from carcass ply to ply. Otherwise, fine powder of metal is included in the coating rubber of at least two belt layers, wherein the concentration of the metal powder differs from belt layer to layer.