Maximum change in the hardness of mar tensite occurs in the carbon content range of __________ percent in steel.

Question: Maximum change in the hardness of mar tensite occurs in the carbon content range of __________ percent in steel.
[A].

0.01 to 0.10

[B].

0.2 to 0.4

[C].

0.5 to 0.7

[D].

0.8 to 1.0

Answer: Option B

Explanation:

No answer description available for this question.