Кованые запасные части рабочий рулон/ролик применяемый для холодной прокатной

The modern cold-rolled joint unit has really realized high-speed and continuThe productivity of roll has increase greatly The cold-olled products has devehigh-precision, high-quality and multi model. The quality of cold-rolled workingthe surface quality of plate material, the qualified rate and operating rate of mill.cold-rolled working roll is very important The basic requirement includes:

a.High and even hardness in rllbody,

b. Deep hardness layer,

c.High abrasion resistance;

d. Better spalling resistance;

e. Excellent mechanic property.