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Clear Chilled Rolls (CC)

Clear Chilled Rolls (CC)
Alloy chilled cast iron rolls are one kind of cast iron rolls, which contain almost no free graphite in the matrix of working layer of the barrel. They have hardness and excellent wearabillity, are suitable to finish stands of light bar and wire rolling mills and narrow strip mills. Its microstructure is fine pearlite and carbides.
Table.1 Chemical Composition %
Symbol C Si Mn Cr Ni Mo
CCⅠ 2.90-3.60 0.25-0.80 0.20-1.00 0.20-0.60 0.50-1.00 0.20-0.60
CCⅡ 2.90-3.60 0.25-0.80 0.20-1.00 0.30-1.20 1.01-2.00 0.20-0.60
CCⅢ 2.90-3.60 0.25-0.80 0.20-1.00 0.50-1.50 2.01-3.00 0.20-0.60
CCⅣ 2.90-3.60 0.25-0.80 0.20-1.00 0.50-1.70 3.01-4.50 0.20-0.60
Table.2 Prosperities&Application
Symbol Hardness
HS
Tensile Strength
MPa
Bending Strength
MPa
Dimension
MM
Unit N.W
KGS
Application
CCⅠ 60-70 ≥150 300-400 ¢300-800 300-7000 Rolls for finishing stands of small section mills, bar and wire mills,hot narrow strip mills
CCⅡ 62-75 ≥150 300-400
CCⅢ 65-80 ≥350 500-700
CCⅣ 70-85 ≥350 500-700

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