When the carbon seamless steel pipe is cold drawn, there are defects such as cracks in the hot rolled tube blank. For example, after the high-precision cold-drawn tube is made into an oil cylinder, the fracture that occurs during use has almost no plastic deformation, and is generally brittle fracture. Brittle fracture is caused by a variety of reasons….
Read More1. The thickness of capillary wall shall be uniform and there shall be few internal and external surface defects; External surface polishing and internal hole defect cleaning equipment shall be equipped. 2. Compared with the ordinary cold drawn steel pipe, the cold drawn precision seamless pipe production increases the pickling and re inspection process of hot-rolled capillary, which is…
Read MoreXINYUE STEEL GROUP set up several production bases in Tianjin & Hebei Province, manufacturing ERW Steel Pipe, SSAW Steel Pipe, LSAW Steel Pipe, Seamless Steel Pipe, Scaffolding system and couplers, RHS, SHS, etc.