¿Cómo se clasifican los rollos por material??

Rolls are mainly divided into three categories: cast iron rolls, cast steel rolls, and forged steel rolls. The carbon content of the cast iron roll is about 2.50/0~3.5%. According to the main materials, it can be divided into four categories: chilled cast iron roll, infinite chilled cast iron roll, alto […]

¿Cómo se clasifican los rollos por material?? Sigue leyendo »