The sectioned equal thickness forming technics is a unique technology to be designed for solving the forming problems which are very difficult to be overcome by using continuous rolled forming technology itself when manufacturing a big diameter / big thickness / special size screw flight as well as products with wearable material and stainless steel. The sectioned equal thickness screw flight presents a single pitch construction and almost same thickness for both outer and inner edge. In addition, the outer diameter, the inner diameter and the pith can accurately meet the size demand once finish forming. It particularly applies to the production of big thickness, big size flight being made of wearable steel, low carbon steel, low alloy steel, wear-resistant steel or stainless steel materials. This technics also has been used for making flight with requirements for super big size, super thickness, equal diameter, equal pitch, variable diameter, variable pitch, having raised rim or breach along inner and outer edge. Products has advantage of high precision and no MOQ requirement.