Q3] A. What are annealing purposes?
Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Chapter2: Measurement, Materials, And Safety
Section2.7: Heat Treatment Of Metals
Problem 2RQ: Direct hardening can be performed on steel containing at least________ carbon.
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Question
![Q3]
A. What are annealing purposes?
B. Calculate the upper and lower critical temperature for steel composition as
follow:
%C
%Si
%Mn
%P
%S
%Cr
%Mo
%Fe
0.15
1.00
0.60
0.025
0.025
9.
1.10
balance](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc3fb4bcd-e00e-4c39-95d2-e3c6fa81f349%2F518ca444-b522-4ed2-b02e-918e244c9383%2F7el37jp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q3]
A. What are annealing purposes?
B. Calculate the upper and lower critical temperature for steel composition as
follow:
%C
%Si
%Mn
%P
%S
%Cr
%Mo
%Fe
0.15
1.00
0.60
0.025
0.025
9.
1.10
balance
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