¿Cómo se producen los tubos de acero sin costura??
Seamless steel pipes are rolled from solid tube blanks after being perforated. The production and manufacturing methods can be divided into hot-rolled pipes, cold-rolled pipes, cold-drawn pipes, extruded pipes, etc.. Según diferentes métodos de producción.. Extruded pipes are divided into seamless steel pipes and welded steel pipes, and seamless steel