Mechanical Engineering - Engineering Materials - Discussion

Discussion Forum : Engineering Materials - Section 5 (Q.No. 43)
43.
Hardness of steel is increased by adding sulphur, lead and phosphorus.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Kishan Ahir said:   7 years ago
Sulphur, lead and phosphrus improves machinability.

Sudeep said:   9 years ago
Hardness of steel is increased by carbon.
(1)

Post your comments here:

Your comments will be displayed after verification.