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Indefinite Chilled Double Poured (ICDP) Rolls

ICDP Rolls are characterized by having a hard alloyed iron working layer and a soft grey iron/nodular iron core. The matrix on the surface generally is bainitic with the amount of flaky graphite reducing towards the centre of the roll. These rolls are made using both Spin and Static cast procedures together. Due to presence of flake graphite in the matrix and the core being made of soft iron, these rolls provide a combination of excellent mechanical properties, strength and high wear resistance. This makes them suitable for products where surface finish is very critical and roll’s resistance to fracture is important.


  • Intermediate/Finishing stand of Wire Rod Mills, TMT Mills and Structural Mills
  • Finishing stand of Strip, Sheet and Flat rolling mills.


  • IC-III
  • IC-IV
  • IC-V

Mechanical Properties

  • Tensile Strength: 400-500 N/mm²
  • Bending Strength: 700-1000 N/mm²
Chemical Composition
Grade C% Mn% Si% S% P% Cr% Ni% Mo%
IC-III Shell 3.0-3.6 0.4-1.2 0.6-1.2 0.05 max 0.050 max 0.7-1.2 2.0-3.0 0.2-1.0
IC-IV Shell 3.0-3.6 0.4-1.2 0.6-1.5 0.05 max 0.05 Max 1.0-2.0 3.0-4.0 0.2-1.0
IC-V Shell 3.0-3.6 0.4-1.2 0.6-1.5 0.05 max 0.05 Max 1.0-2.0 3.0-4.8 0.2-2.0
Core 3.1-3.5 0.6-0.9 1.2-1.5 0.05 max 0.05 Max 0.2-0.5 0.4-1.0