six roller cold-rolling mill back-up roll

six roller cold-rolling mill back-up roll Cr3 1100x1400x3948 .     There are different specification of the back-up roller. they are semi-finished products, and the specification is from dia.450mm to dia.1500mm.     We can supply the roll at the surface hardness of  HSD55-75. And in one roll the hardness error is lessthen 5HSD.The depth of the hardness is morethen 70mm at  radius in material 50Cr5MoV.     We can supply the roll with the material such as Cr2%(9Cr2Mo,86CrMoV7),Cr3%(40Cr3MoV,70Cr3NiMo,70Cr3Mo,MC3),Cr4%(45Cr4NiMoV)andCr5%(50Cr5MoV).......Also we can supply the middle axle of the Back-up roll in material 55Cr,35CrMo or 42CrMo.     And the specific quotation is accordance with the back-up roll 's drawing from the customer and the roll's weights.

six roller cold-rolling mill back-up roll