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Centrifugal Casting Water Cooling Roller
Description
The shell of HSS Rolls is a high carbon alloy steel containing Cr,Mo,W,V and Nb.The Microstructure consists of complex carbides embedded in a tempered martensitic matrix.Control of the carbon and a complex heat treatment allows the optimization of wear resistance,thermal fatigue resistance and oxide film formation,whilst maintaining low residual stress values.
Application
They are mainly applied to hot&cold rolling mill work rolls, back-up rolls. Adamite roll or high speed steel roll used in the early finishing stands of a lot strip mills.
Specification
|
Product Name |
Cooling Roller |
|
Material |
45#, 20# steel pipe or alloy steel pipe 45#、20# |
|
Structure |
Inner liner spiral flow channel or installation of two-layer, three-layer casing, Z-shaped flow channel structure design |
|
Cooling temperature difference |
≤±1℃ |
|
Thermal deformation |
≤0.01 mm |
|
Straightness |
≤0.005 mm |
|
Coaxiality |
≤0.005 mm |
|
Surface treatment |
Chrome coated |
|
Hardness |
≥HRC 65 |
|
Roughness |
Ra0.01 |
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