Mechanical Engineering - Engineering Materials - Discussion

Discussion Forum : Engineering Materials - Section 1 (Q.No. 30)
30.
The lower critical point for all steels is
600°C
700°C
723°C
913°C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
5 comments Page 1 of 1.

Katap said:   6 years ago
Right, thanks @AnubhavSingh.

Anubhav singh said:   8 years ago
1333°F means 723°C and carbon concentration is 0.83%.

Manoharmanasa said:   8 years ago
723 is the eutectoid isotherm in iron- iron carbide carbon diagram.

Anurag said:   8 years ago
As per my logic, It's 727° celsius.

Ashish Singh Khatri said:   1 decade ago
For All steel have Same lower critical temp.

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