cabon 3.2 to 3.5 % si 1.9 to 2.2% mn 0.5 to 0.7% s 0.06% p

what is the composition of grey cast iron grade 20?

Question Posted / m.ramamoorthy

Answer Posted / m.ramamoorthy

cabon 3.2 to 3.5 %
si 1.9 to 2.2%
mn 0.5 to 0.7%
s 0.06%
p 0.09%

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