Chemical Engineering - Materials and Construction - Discussion

Discussion Forum : Materials and Construction - Section 1 (Q.No. 36)
36.
Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.
1.5-2
3.5-4.5
7-9
12-14
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Subhash said:   1 decade ago
The microstructure of 12-14% austenitic Mn steel consists of more tougher austenite but as its surface deform softer austenite changes in to harder martensite at the surface while inner core are still austenite.

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