corruagted roller for single facer, 48 CrMo alloy steel with hard treatment, the hardness is above HRC58-60.

Corrugated roller , The upper and lower corruagted( corrugating, flute) roller for single facer machine,made of 48 CrMo alloy steel, with hard treatment by laser,the hardness is above HRC58o-60o.The surface is well treated by grind and plated chrome. Different type of flute according to user's request.