Threaded Pipe Control, which is the control of all gears (Threaded pipe, heavy threaded pipe, motors, etc.), is defined in 5 categories and 31 methods (Visual Control, Measurement, Black Light control, UT Thickness Measurement, Electromagnetic Control, etc.). Discontinuities such as curvature, mechanical or corrosion defect, diameter differences, cracks, corrosion can be evaluated with these methods,