A bar of a class 40 gray iron casting is found to have a tensile strength of

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A bar of a class 40 gray iron casting is found to have a tensile strength of 50,000 psi. Why is the tensile strength greater than that given by the class number? What is the diameter of the test bar?

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Essentials of Materials Science and Engineering

ISBN: 978-1111576851

3rd edition

Authors: Donald R. Askeland, Wendelin J. Wright

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Question Posted: Apr 26, 2016 07:25 AM

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A bar of a class 40 gray iron casting is found to have a tensile strength of

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The strength of gray iron depends on the cooling rate of the casting faster cooling rates produce ...View the full answer

Essentials of Materials Science and Engineering

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