An austenitized 70 mm diameter 4340 steel bar is quenched in
agitated H2O. Predict what the...
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Mechanical Engineering
An austenitized 70 mm diameter 4340 steel bar is quenched inagitated H2O. Predict what the Rockwell C hardness of the bar willbe at (a) its surface, (b) 3/4-R, (c) midway between its surfaceand center and (d) at its center
(a) S:_53_____Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b) 3/4R: __52_____ (c) MR: __52_____Â Â Â Â Â (d)
C: __51____
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