Fe - Fe3C phase diagram composition problem?need help............?

Umanga R

New member
(QUESTION) : - find the composition amount in 0.8% carbon steel slowly cooled down from 1000(Celsius) to room temperature............

(Question) - find the composition amount in 0.6% carbon steel slowly cooled down from 1200(Celsius) to room temperature............

my problem is do i have to get the composition in 1000(Celsius) and 1200(Celsius) or in room temperature.if, room temperature the composition of each phase will be in austenite+cementite.
the room temperature is not given in text..

please tell how can i find relative amount of compositions......thankx for your help
 
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