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Help CenterDouble Poured Indefinite Chill Cast Iron Rolls
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Double Poured Indefinite Chill Cast Iron Rolls (DPIC) have hard alloy iron on the working layer and the core is either made of soft grey iron or nodular iron as application demands. The matrix generally is bainitic with equal distribution of carbides and graphite on the shell. Due to the Nodular core and highly alloyed surface these Rolls have excellent mechanical properties, strength, high wear resistance, good surface finish and resistance to shock/thermal/mechanical loads. These Rolls are produced by spin and static cast together.
Double Poured Indefinite Chill,Rolls DPIC 1 DPIC 2 Composition (%wt)
Shell Core Shell Core
Carbon (C) 2.90-3.30 3.10-3.50 3.20-3.50 3.20-3.50
Silicon (Si) 1.00,MAX 1.50,MAX 1.00,MAX 1.50,MAX
Manganese (Mn) 0.50-1.00 0.60-0.90 0.50-0.70 0.60-0.90
Nickel (Ni) 2.50-3.00 0.40-1.00 2.50-3.50 >=1.00
Chromium (Cr) 1.00-1.50 0.25-0.50 1.20-1.80 0.25-0.50
Molybdenum (Mo) 0.25-0.50 - 0.25-0.50 -
Mechanical Properties
Hardness (HSC) 65-75 30-40 75-85 30-40
Tensile Strength (N/mm2) 350-500
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