If a sample of steel shows unsymmetrical deformation of a piece in quenching, the probable cause could be

Question

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NA

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Impure quenching oil

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Low specific heat of quenching oil

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Excessive proportion of alloying elements

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Non-uniform heating or cooling

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Low temperature during heating

1.	If a sample of steel shows unsymmetrical deformation of a piece in quenching, the probable cause could be
A.	Impure quenching oil
B.	Low specific heat of quenching oil
C.	Excessive proportion of alloying elements
D.	Non-uniform heating or cooling
E.	Low temperature during heating
Answer» E.

Discussion