Roll pins are made of 65Mn steel material, the hardness of 65Mn spring steel is higher than other steels. Its hardness is mainly due to the addition of manganese, which enhances the material’s wear resistance and load-bearing strength.
Roll pins are made of 65Mn steel material, the hardness of 65Mn spring steel is higher than other steels. Its hardness is mainly due to the addition of manganese, which enhances the material’s wear resistance and load-bearing strength.