What kind of micro structures should I expect for AISI 4140 HSLA after heating at 845 degree C and then quenched by oil?

AISI 4140  HSLA heated up to 845 degree C and then quenched in oil. What kind of micro structure should I expect? Also After quenched it is again tempered at 500, 600, 700, 800 degree C. In these...

06 June 2016 8,995 3 View