If a steel having ASTM grain size number 5 have transition temperatur – McqOptions

MCQOPTIONS

1.	If a steel having ASTM grain size number 5 have transition temperature equal to 20 degrees. For the same steel having ASTM grain size 10, the DBTT will be equal to __________
A.	20
B.	50
C.	-50
D.	Cannot predict
Answer» D. Cannot predict

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