All of the following alloying elements of steel increases hardness but sacrifice ductility, except

All of the following alloying elements of steel increases hardness but

1.	All of the following alloying elements of steel increases hardness but sacrifice ductility, except
A.	nickel
B.	vanadium
C.	molybdenum
D.	chromium
Answer» B. vanadium

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All of the following alloying elements of steel increases hardness but sacrifice ductility, except

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