<p>There is disclosed a device for cutting a pipe (A) including a first carriage (1), which is movable on a base (B) of the device and has an outer cutting assembly (8), and a second carriage (2) mounted on the first carriage (1). The second carriage (2) includes a plurality of guide rods (3) arranged on a support arm (4) so that when the support arm (4) is rotated the guide rods (3) draw a circle. The pipe (A) is fed to fit on each of the guide rods (3) interchangeably. Each guide rod (3) has an inner cutter (5) so that the outer cutting assembly (8), in cooperation with the inner cutter (5), cuts the pipe (A) while the first carriage (1) is moved in the direction in which the pipe (A) is fed into the device.</p>