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S.A.E 4037 is a ___________ steel that can be used as a substitute for nickel steel in making bolts, pins etc.

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S.A.E 4037 is a ___________ steel that can be used as a substitute for nickel steel in making bolts, pins etc.

(a) hydroxide

(b) vanadium

(c) molybdenum

(d) chromium

This question was posed to me in an interview.

This is a very interesting question from Advantages and Applications of Steel topic in division Steel and its Alloys of Aerospace Materials & Processes

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Right answer is (c) molybdenum

To explain I would say: S.A.E 4037 is molybdenum steel. This can be used as a replacement for nickel steel in manufacturing several parts like bolts, pins, terminals and several other kinds of components. It is heated to obtain certain tensile strength.

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