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Specifications
S. No. Elements Chemical Symbol % Standard Micro Structure   Standard
01 Carbon C 3.50 - 4.00 Graphite A Lameller Flakes
02 Silicon Si 2.50 - 3.00   B
03 Manganese Mn 0.50 - 0.80   C NIL.
04 Phosphorous P 0.40 - 0.60   D 33% Max.
05 Chromium Cr 0.30 max.   E
06 Copper Cu 0.30 max. Size   5 - 8
07 Molybdenum Mo 0.30 max. Ferrite   5% Max
08 Nickel Ni 0.30 max. Steadite   Rect. & Netty
09 Sulphur S 0.08 max. Carbide   Nil
        Matrix   Pearlite
 
REMARKS: (A) Hardness Incomng Rings - 98 - 105 HRB
  (B) Hardness after heat treatment - 96 - 103 HRB
 
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