Mechanical Engineering - Engineering Materials - Discussion

Discussion Forum : Engineering Materials - Section 2 (Q.No. 28)
28.
The machinability of steel is improved by adding
nickel
chromium
nickel and chromium
sulphur, lead and phosphorus
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Saurav said:   7 years ago
Machinability of steel increases by adding phosphorus.

M Naidu said:   6 years ago
Can anyone brief it?

Prabhat said:   4 years ago
It should be only phosphorus. Sulphur and lead decrease.

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