What kind of steel pipe is round steel?
A round bar is not a steel tube. In brief, its section is round, but it is solid, and the cross section of the pipe is hollow.
First of all, this is the two concept, round steel solid, hollow steel pipe; secondly, the round bar is divided into hot rolling, forging and cold drawn three. Generally seamless steel pipe can be divided into hot rolling (extrusion), cold rolling (pull), heat expansion of the basic types of steel pipe. Hope to be of help to you
