Answer
33.5 kpsi
ASTM No. 30 Gray cast iron
Work Step by Step
Grey cast iron, $H_B=200$.
$S_u=0.23(200)-12.5=33.5$ kpsi
From Table A-24, this is probably ASTM No. 30 Gray cast iron.
Shigley's Mechanical Engineering Design 10th Edition
by Budynas, Richard; Nisbett, Keith
Published by
McGraw-Hill Education
ISBN 10:
0073398209
ISBN 13:
978-0-07339-820-4
Chapter 2 - Problems - Page 81: 2-13
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