SPHEROIDAL GRAPHITE IRON (PEARLITIC) ROLLS

Characteristics : Spheroidal Graphite Iron Pearlitic Rolls are structurally characterised as having graphite in nodular form instead of being in flakes as characterised in normal Cast Iron Rolls. The matrix structure varies from Ferrito-Pearlitic and Pearlitic together with different carbide content and graphite in the form of spheroid / nodules. Applications : These Rolls are suitable for Roughing and Intermediate Mill Stands of Blooming/Slabbing, TMT Re-Bar and Wire Rod mills, and Rolls for Intermediate and Finishing Stands of Structure and Merchant Mills. Common Grades: SG P 47 (45° - 50° Sh C) SG P 53 (50° - 55° Sh C) SG P 57 (55° - 60° Sh C) SG P 63 (60° - 65° Sh C) Mechanical Properties: Tensile Strength : 400-600 N/mm2 Bending Strength : 2-4 J/cm2

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