Forging steel roll ,including hot rolled work roll , hot rolled backup roll , cold rolled work roll , cold rolled backup roll etc . They could be installed on steel sheet rolling mill , copper sheet rolling mill , aluminum sheet rolling mill .Forging material such as 9Cr2Mo , 9Cr3Mo , 9Cr5Mo, 70Cr3Mo , 70Cr3NiMoV , 45Cr4NiMoV, MC3 , MC5 etc , roll body surface hardness reach HSD90-100 . ETERNAL company has complete production line from forging , heat treatment , surface hardneing , and finish machining , which could ensure the quality . Max roll size could reach OD1200mm .