Answer / 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

Answer / lahbib@allinterview.com

c: 3 % max
si 1.5-1.6 after inoculation
Mn 0.7-0.9
cr 0.3
Ni 0.5
S < 0.02
P <0.04

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