Forged Back Up Rolls
Forged Back up rolls
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
Application
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.