Descripción del producto

The roll is one of the most important parts of the rolling mill. The rolled piece is plastically deformed by the rotating roll, and the product with the required shape and dimensional accuracy is rolled.
The main process procedures of production and manufacture for cast steel mill rolls ：
1.manufacture of steel billet(smelting and forging) 
2.rough processing 
3.quenching and tempering 
4. hardening of roll body+refrigeration treatment + low temperature tempering
5.fine processing