Materials Science and Engineering
Materials Science and Engineering
9th Edition
ISBN: 9781118324578
Author: Jr. William D. Callister
Publisher: WILEY
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Chapter 11.9, Problem 7DP

(a)

To determine

Which of the alloys that are quenched in moderately agitated water and satisfies minimum hardness of 45 HRC, from the following:

  • 8660
  • 8640
  • 8630
  • 8620

(b)

To determine

Which of the alloys that are quenched in moderately agitated oil and satisfies minimum hardness of 45 HRC, from the following:

  • 8660
  • 8640
  • 8630
  • 8620

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