Forged Back Up Rolls

Forged Back up rolls

FeatureFORGED back up

Forged steel back-up roll is mainly used in 4 Hi and 6 Hi mills.The diameter of roll barrel can be 350mm – 1600mm. The materials of back-up include 9Cr2Mo, 86CrMoV7, 70Cr3Mo and 45Cr5NiMoV.

Hardness Curve of Back up Roll

Hardness Curve of Back up Roll


Symbol Type of material Application
70Cr3Mo 3%Cr Cold Rolling Mills
45Cr4NiMoV 4%Cr Cold Rolling Mills
YB-70 5%Cr Hot & cold rolling mills

Other dimensions or materials requirements can be produced under customers requirements.