Answer Posted / ajay kumar singh

C%=2.90-3.10
Mn%=0.60-1.00
si%=1.50-1.90
S%=0.10
P%=0.15
Cr%=0.30
Mo%=0.30
Cu%=0.25
All depend on casting object thickness, casting method and
required machinability rate so that material can not get
chilled

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