The invention relates to a profiled tube for producing a transport pallet or a transport container. The profiled tube is made of a cardboard blank on the basis of a rectangular cardboard tube with a separating cut which runs on a tube upper face in the longitudinal direction of the rectangular cardboard tube and which comprises opposing cut edges. The invention also relates to a profiled connection (37) comprising a profiled tube and a surface element (36) which is connected to the profiled tube and is preferably made of corrugated cardboard. The profiled tube has a separating cut (41) which is formed in the transition between a lateral wall (14) and a folding surface (16) or a lateral wall and the lower face (13) for inserting the surface element (36). The invention also relates to a transport pallet with a pallet base which comprises a surface element enclosed by four frame sides in the manner of a frame, wherein a profiled connection (37) is formed between the frame sides, each of which is made of a profiled tube, and the surface element.