Tianjin Binhai Longtai Technology Development Co., Ltd. is located in Tianjin, an important port city and steel pipe manufacturing base in northern China. The company is a national high-tech enterprise integrating R & D, production and sales of special mandrel for seamless steel pipe production....
Welded Tube and Pipe Ever since it became possible to manufacture strip and plate, people have constantly tried to bend the material and connect its edges in order to manufacture tube and pipe. This led to the development of the oldest weld...
Mandrel Mill Process In the Mandrel Mill Process, a solid round (billet) is used. It is heated in a rotary hearth heating furnace and then pierced by a piercer. The pierced billet or hollow shell is rolled by a mandrel mill to reduce the ou...
An investigation was carried out on the mechanism of crack initiation on mandrel bar used for the PQF operation in seamless tube manufacturing....
Mandrel Bars is one of the most important tools to produce large-diameter seamless steel pipe in modern tech. Because of the poor circumstance of the rolling process of seamless steel pipe,...
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