Description
| Producl | Hardness | Depth of Hardness | Hardness Deviatiora |
| Lack-up Roll | 60-B01ISD | 10-75mm | +1-1.5HlSD |
DORGED STEEL BACK-UP ROLL
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 etc.,
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