Acicular Nodular Cast Iron Roll

Standard Specifications

Acicular nodular rolls have become a benchmark in the rolling of long products and are suitable for a wide range of applications due to their hardness penetration, good wear resistance, and tough necks. These rolls can be produced by static casting or by the centrifugal cast double-pour method.

Applications
  • Intermediate and finishing stands of medium section, bar, and wire rod mills
  • Forming, sizing, reducing, and straightening stands for pipe and tube mills for section mills
Grade Element Composition
C Si Mn Cr Ni Mo
SGA I 3.30 – 3.50 1.40 – 1.60 0.50 – 0.70 0.40 – 0.60 2.50 – 2.70 0.40 – 0.60
SGA II 3.30 – 3.50 1.30 – 1.50 0.50 – 0.70 0.50 – 0.70 2.50 – 2.70 0.40 – 0.60
Grade Barrel Hardness (HSC) Tensile Strength (MPa) Bending Strength (MPa)
SGA I 60 – 65 > 400 > 800
SGA II 65 – 70 > 400 > 800

MetalFlow Acicular Nodular Cast Iron Roll

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