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Alloy Chilled Cast Iron Rolls

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Alloy Chilled Cast Iron Rolls

Chemical Analysis
Designation of Rolls Material Code C Si Mn Ni Cr Mo
NiCrMo Chilled Cast Iron Rolls (I) CC I 3.00 - 3.40 0.30 - 0.80 0.20 - 1.00 0.50 - 1.00 0.20 - 0.60 0.20 - 0.60
NiCrMo Chilled Cast Iron Rolls (II) CC II 3.00 - 3.40 0.30 - 0.80 0.20 - 1.00 1.10 - 2.00 0.30 - 1.20 0.20 - 0.60
NiCrMo Chilled Cast Iron Rolls (III) CC III 3.00 - 3.40 0.30 - 0.80 0.20 - 1.00 2.10 - 3.00 0.50 - 1.50 0.20 - 0.60
NiCrMo Chilled Cast Iron Rolls (IV) CC IV 3.00 - 3.40 0.30 - 0.80 0.20 - 1.00 3.10 - 4.00 0.50 - 1.70 0.20 - 0.60
Physical Properties
Designation of Rolls Material Code Barrel Hardness (HSD) Neck Hardness (HSD) Tensile Strength (Mpa)
NiCrMo Chilled Cast Iron Rolls (I) CC I 60 - 70 32 - 50 >150
NiCrMo Chilled Cast Iron Rolls (II) CC II 62 - 75 35 - 52 >150
NiCrMo Chilled Cast Iron Rolls (III) CC III 65 - 80 32 - 45 >350
NiCrMo Chilled Cast Iron Rolls (IV) CC IV 70 - 85 32 - 45 >350
Microstructure
Designation of Rolls Material Code Microstructure
NiCrMo Chilled Cast Iron Rolls (I) IC I Pearlite + Cementite
NiCrMo Chilled Cast Iron Rolls (II) IC II Fine Pearlife + Cementite
NiCrMo Chilled Cast Iron Rolls (III) IC III Fine Pearlife + Cementite
NiCrMo Chilled Cast Iron Rolls (IV) IC IV Sorbite + Cementite
Application
Designation of Rolls Material Code Microstructure
NiCrMo Chilled Cast Iron Rolls (I) IC I Section Mill, Bar Mill, Wire-rod mill Narrow Strip Mill, Finishing Stand
NiCrMo Chilled Cast Iron Rolls (II) IC II Section Mill, Bar Mill, Wire-rod mill Narrow Strip Mill, Finishing Stand
NiCrMo Chilled Cast Iron Rolls (III) IC III Section Mill, Bar Mill, Wire-rod mill Narrow Strip Mill, Finishing Stand
NiCrMo Chilled Cast Iron Rolls (IV) IC IV Section Mill, Bar Mill, Wire-rod mill Narrow Strip Mill, Finishing Stand

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