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S.G. Iron Roll buy in New Delhi
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S.G. Iron Roll

S.G. Iron Roll

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Description
S.G. Iron or Spheroidal Graphite Iron is considered as one of the most versatile roll material. It is produced by a small propostion of magnesium added to the melt as nickel-magnesium or alternative alloy, or pure magnesium. In S.G. Iron roll, the free carbon takes the shape of spheroids or nodules, thereby eliminating the notch effect to flake graphite and imporving upon the mechanical properties of cast iron.

S.G. Iron rolls find application in Roughing and Intermediate mills for rail and structural mills as well as in finishing mills for wire rod and narrow strip mills.


The Chemical composition of S.G. Iron (Pearlitic) Rolls is as follows:

Hardness SH D C Mn Si Ni Cr Mo
50 - 60 3.00 - 3.30 0.30 - 0.60 1.50 - 2.30 1.50 - 2.00 0.40 - 0.50 0.25 - 0.40
60 - 70 3.10 - 3.50 0.50 - 1.10 1.30 - 1.80 1.50 - 2.50 0.50 - 0.80
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