Steel pipe wall thickness uniformity detection tool

The utility model relates to the field of steel pipe detection, in particular to a steel pipe wall thickness uniformity detection gauge, which comprises a horizontally arranged mounting seat, a linear guide rail arranged on the top surface of the mounting seat, two sliding mounting seats arranged on the linear guide rail, a pair of symmetrical first rollers arranged on the sliding mounting seats, and a steel pipe to be detected arranged on the first rollers; two avoiding holes are formed in the mounting base, a connecting base is arranged above the avoiding holes, an elastic guide rod is arranged in the connecting base, a fixing frame is connected to the upper end of the elastic guide rod, a dial indicator is arranged on the left side of the fixing frame, the measuring end of the dial indicator abuts against the outer wall of the steel pipe to be measured, and a mounting rod is arranged on the left side face of the fixing frame; the second roller on the mounting rod abuts against the inner wall of the steel p