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Alloy Cast Steel Rolls

Alloy Cast Steel Rolls are Hypo-eutectoid steel rolls having carbon in the range of 0.5% to 0.8% and are alloyed with Chromium and Molybdenum. These rolls undergo double annealing heat treatment process to help improve toughness and thermal shock resistance. Their microstructure is primarily fine pearlitic with spheroidized cementite. These rolls have high mechanical strength with good weldability.


  • Roughing Stands for Medium and Heavy Section Mills.


  • ACS-32 (30-35 Shore C)
  • ACS-37 (35-40 Shore C)

Mechanical Properties

  • Tensile Strength: 650-800 Kg/mm²
  • Bending Strength: 750-1100 Kg/mm²
Chemical Composition
Grade Hardness
(Shore C)
C% Mn% Si% S% P% Cr% Mo%
ACS-33, ACS-38 30-40 0.5-0.8 0.5-1.0 0.3-0.7 0.05 Max 0.05 Max 0.8-1.2 0.2-0.5