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
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.