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HSI High Speed Cast Iron rolls (HSI Rolls)
the main feature of HSI Rolls:
The HSI rolls have both the properties of
HSS and High Chromium cast iron, the carbide amount and wear resistance of HSI
are between the two materials. There is excellent roll surface quality when the
HSI rolls are used in the Hot Strip Mills.
Chemical composition (%):
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Material code
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C
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Si
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Mn
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Cr
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Ni
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Mo
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V
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Nb
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HSI
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2.2-2.8
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0.5-1.0
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0.5-1.0
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9.0-15.0
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0.5-1.0
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2.0-5.0
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2.0-5.0
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0.5-1.5
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Microstructure and properties:
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Material code
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Hardness
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Tensile
strength
|
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HS
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HS
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Mpa
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HSI
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75-85
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30-45
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350-450
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Application:
1. Finishing stands of Bar mills.
2. Early finishing stands of Hot Strip Mill, stainless HSM in
particular.
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