Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

Square steel key is normally strong in failure by shear & crushing. Ke

1.	Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.
A.	hot rolled mild
B.	cold rolled mild
C.	forged
D.	machinable stainless
Answer» C. forged

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Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

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