Mechanical Engineering - Engineering Materials - Discussion
Discussion Forum : Engineering Materials - Section 4 (Q.No. 46)
46.
When filing or machining cast iron makes our hands black, then it shows that __________ is present in cast iron.
Discussion:
1 comments Page 1 of 1.
K.Sai Spandan said:
8 years ago
The grey colour is due to the fact that carbon is present in the form of free graphite.
(1)
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